verify.c revision 81f0366c7adcd5d70de5c1b144eafd366933f78e
1e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe/* 2e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe * IO verification helpers 3e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe */ 4e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include <unistd.h> 5e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include <fcntl.h> 6e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include <string.h> 797af62cec418cd722fb43c6010d6430534e12353Jens Axboe#include <assert.h> 8e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe#include <pthread.h> 979402a12eecf371238f2326c9e8850eedd269b7fJens Axboe#include <libgen.h> 10e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 11e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include "fio.h" 124f5af7b2370a6d3e64bc5128905c1aa8b0dc51b0Jens Axboe#include "verify.h" 13e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe#include "smalloc.h" 140d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe#include "trim.h" 15637ef8d9f7645135cf4829894d1e3983cd7a042eJens Axboe#include "lib/rand.h" 16e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 17eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/md5.h" 18eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc64.h" 19eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc32.h" 20bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe#include "crc/crc32c.h" 21eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc16.h" 22eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc7.h" 23eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/sha256.h" 24eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/sha512.h" 257c353ceb3257b132f4c98326046b42201e070731Jens Axboe#include "crc/sha1.h" 26cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 277d9fb455aadc0c0363489591775496f27f4a560aJens Axboestatic void populate_hdr(struct thread_data *td, struct io_u *io_u, 287d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct verify_header *hdr, unsigned int header_num, 297d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned int header_len); 307d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 317d9fb455aadc0c0363489591775496f27f4a560aJens Axboevoid fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed) 3290059d65bde4804e4da07401ad6902c1d956b592Jens Axboe{ 3390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe switch (td->o.verify_pattern_bytes) { 3490059d65bde4804e4da07401ad6902c1d956b592Jens Axboe case 0: 35bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "fill random bytes len=%u\n", len); 367d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (use_seed) 377d9fb455aadc0c0363489591775496f27f4a560aJens Axboe __fill_random_buf(p, len, seed); 387d9fb455aadc0c0363489591775496f27f4a560aJens Axboe else 393545a109a2cfe5ab22969ef453dc049db47f0b68Jens Axboe io_u->rand_seed = fill_random_buf(&td->buf_state, p, len); 4090059d65bde4804e4da07401ad6902c1d956b592Jens Axboe break; 4190059d65bde4804e4da07401ad6902c1d956b592Jens Axboe case 1: 4210e8a7b30ce2917df9f839d42596c7e3af9a904fRadha Ramachandran if (io_u->buf_filled_len >= len) { 43cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); 44cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran return; 45cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran } 46bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); 470e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran memset(p, td->o.verify_pattern[0], len); 48cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran io_u->buf_filled_len = len; 4990059d65bde4804e4da07401ad6902c1d956b592Jens Axboe break; 500e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran default: { 510e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran unsigned int i = 0, size = 0; 5290059d65bde4804e4da07401ad6902c1d956b592Jens Axboe unsigned char *b = p; 5390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe 5410e8a7b30ce2917df9f839d42596c7e3af9a904fRadha Ramachandran if (io_u->buf_filled_len >= len) { 55cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", 56cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran td->o.verify_pattern_bytes, len); 57cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran return; 58cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran } 5981f0366c7adcd5d70de5c1b144eafd366933f78eJens Axboe 60bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", 61bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe td->o.verify_pattern_bytes, len); 62bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 6390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe while (i < len) { 640e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran size = td->o.verify_pattern_bytes; 650e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran if (size > (len - i)) 660e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran size = len - i; 670e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran memcpy(b+i, td->o.verify_pattern, size); 680e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran i += size; 6990059d65bde4804e4da07401ad6902c1d956b592Jens Axboe } 70cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran io_u->buf_filled_len = len; 7190059d65bde4804e4da07401ad6902c1d956b592Jens Axboe break; 7290059d65bde4804e4da07401ad6902c1d956b592Jens Axboe } 7390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe } 7490059d65bde4804e4da07401ad6902c1d956b592Jens Axboe} 7590059d65bde4804e4da07401ad6902c1d956b592Jens Axboe 76cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboestatic unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) 77cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe{ 78cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe unsigned int hdr_inc; 79cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe 80cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = io_u->buflen; 81cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe if (td->o.verify_interval) 82cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = td->o.verify_interval; 83cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe 84cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe return hdr_inc; 85cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe} 86cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe 87c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboestatic void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, 88c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe unsigned long seed, int use_seed) 89c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe{ 90c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe unsigned int hdr_inc, header_num; 91c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe struct verify_header *hdr; 92c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe void *p = io_u->buf; 93c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 94c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); 95c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 96cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = get_hdr_inc(td, io_u); 97c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe header_num = 0; 98c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { 99c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe hdr = p; 100c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe populate_hdr(td, io_u, hdr, header_num, hdr_inc); 101c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe header_num++; 102c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe } 103c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe} 104c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 1054764aec9fe5988281bdc114c13ac771fb16713ccJens Axboestatic void memswp(void *buf1, void *buf2, unsigned int len) 106546a9142511875524850ac92776184fd9fb7196eShawn Lewis{ 107dee6de74152299f2a7df07ae971a53441b971dafShawn Lewis char swap[200]; 108dee6de74152299f2a7df07ae971a53441b971dafShawn Lewis 109dee6de74152299f2a7df07ae971a53441b971dafShawn Lewis assert(len <= sizeof(swap)); 11090059d65bde4804e4da07401ad6902c1d956b592Jens Axboe 111546a9142511875524850ac92776184fd9fb7196eShawn Lewis memcpy(&swap, buf1, len); 112546a9142511875524850ac92776184fd9fb7196eShawn Lewis memcpy(buf1, buf2, len); 113546a9142511875524850ac92776184fd9fb7196eShawn Lewis memcpy(buf2, &swap, len); 114546a9142511875524850ac92776184fd9fb7196eShawn Lewis} 115546a9142511875524850ac92776184fd9fb7196eShawn Lewis 116e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboestatic void hexdump(void *buffer, int len) 117e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 118e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe unsigned char *p = buffer; 119e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe int i; 120e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 121e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe for (i = 0; i < len; i++) 122bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err("%02x", p[i]); 123bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err("\n"); 124e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 125e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 126d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe/* 1278767783245faac99a7e1c330a1d6536e579c8402Jens Axboe * Prepare for seperation of verify_header and checksum header 1288767783245faac99a7e1c330a1d6536e579c8402Jens Axboe */ 129546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboestatic inline unsigned int __hdr_size(int verify_type) 1308767783245faac99a7e1c330a1d6536e579c8402Jens Axboe{ 13103e20d687566753b90383571e5e152c5142bdffdBruce Cran unsigned int len = 0; 1328767783245faac99a7e1c330a1d6536e579c8402Jens Axboe 133546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe switch (verify_type) { 134546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_NONE: 135546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_NULL: 136546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = 0; 137546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 138546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_MD5: 139546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_md5); 140546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 141546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC64: 142546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc64); 143546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 144bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe case VERIFY_CRC32C: 145546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC32: 1463845591fadea480177223e28c9d1c03642d34f0eJens Axboe case VERIFY_CRC32C_INTEL: 147546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc32); 148546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 149546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC16: 150546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc16); 151546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 152546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC7: 153546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc7); 154546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 155546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_SHA256: 156546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_sha256); 157546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 158546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_SHA512: 159546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_sha512); 160546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 1617437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis case VERIFY_META: 1627437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis len = sizeof(struct vhdr_meta); 1637437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis break; 1647c353ceb3257b132f4c98326046b42201e070731Jens Axboe case VERIFY_SHA1: 1657c353ceb3257b132f4c98326046b42201e070731Jens Axboe len = sizeof(struct vhdr_sha1); 1667c353ceb3257b132f4c98326046b42201e070731Jens Axboe break; 16792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe case VERIFY_PATTERN: 16892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe len = 0; 16992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe break; 170546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe default: 171546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe log_err("fio: unknown verify header!\n"); 172546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe assert(0); 173546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe } 174546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 175546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe return len + sizeof(struct verify_header); 1768767783245faac99a7e1c330a1d6536e579c8402Jens Axboe} 1778767783245faac99a7e1c330a1d6536e579c8402Jens Axboe 1788767783245faac99a7e1c330a1d6536e579c8402Jens Axboestatic inline unsigned int hdr_size(struct verify_header *hdr) 1798767783245faac99a7e1c330a1d6536e579c8402Jens Axboe{ 180546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe return __hdr_size(hdr->verify_type); 181546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe} 182546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 183546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboestatic void *hdr_priv(struct verify_header *hdr) 184546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe{ 185546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe void *priv = hdr; 186546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 187546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe return priv + sizeof(struct verify_header); 1888767783245faac99a7e1c330a1d6536e579c8402Jens Axboe} 1898767783245faac99a7e1c330a1d6536e579c8402Jens Axboe 1908767783245faac99a7e1c330a1d6536e579c8402Jens Axboe/* 191936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * Verify container, pass info to verify handlers and allow them to 192936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * pass info back in case of error 193936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe */ 194936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestruct vcont { 195936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe /* 196936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * Input 197936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe */ 198936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe struct io_u *io_u; 199936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe unsigned int hdr_num; 2007d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct thread_data *td; 201936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe 202936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe /* 203936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * Output, only valid in case of error 204936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe */ 205bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe const char *name; 206bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe void *good_crc; 207bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe void *bad_crc; 208936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe unsigned int crc_len; 209936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe}; 210936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe 211c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboestatic void dump_buf(char *buf, unsigned int len, unsigned long long offset, 212c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe const char *type, struct fio_file *f) 2137d9fb455aadc0c0363489591775496f27f4a560aJens Axboe{ 2146f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe char *ptr, fname[256]; 2157d9fb455aadc0c0363489591775496f27f4a560aJens Axboe int ret, fd; 2167d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2176f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe ptr = strdup(f->file_name); 2186f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe strcpy(fname, basename(ptr)); 219c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 220c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe sprintf(fname + strlen(fname), ".%llu.%s", offset, type); 2217d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2227d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); 2237d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (fd < 0) { 2247d9fb455aadc0c0363489591775496f27f4a560aJens Axboe perror("open verify buf file"); 2257d9fb455aadc0c0363489591775496f27f4a560aJens Axboe return; 2267d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 2277d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2287d9fb455aadc0c0363489591775496f27f4a560aJens Axboe while (len) { 2297d9fb455aadc0c0363489591775496f27f4a560aJens Axboe ret = write(fd, buf, len); 2307d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (!ret) 2317d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 2327d9fb455aadc0c0363489591775496f27f4a560aJens Axboe else if (ret < 0) { 2337d9fb455aadc0c0363489591775496f27f4a560aJens Axboe perror("write verify buf file"); 2347d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 2357d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 2367d9fb455aadc0c0363489591775496f27f4a560aJens Axboe len -= ret; 2377d9fb455aadc0c0363489591775496f27f4a560aJens Axboe buf += ret; 2387d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 2397d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2407d9fb455aadc0c0363489591775496f27f4a560aJens Axboe close(fd); 241c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe log_err(" %s data dumped as %s\n", type, fname); 2426f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe free(ptr); 2437d9fb455aadc0c0363489591775496f27f4a560aJens Axboe} 2447d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 245c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe/* 246c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * Dump the contents of the read block and re-generate the correct data 247c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * and dump that too. 248c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe */ 2497d9fb455aadc0c0363489591775496f27f4a560aJens Axboestatic void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) 2507d9fb455aadc0c0363489591775496f27f4a560aJens Axboe{ 2517d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct thread_data *td = vc->td; 2527d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct io_u *io_u = vc->io_u; 2537d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned long hdr_offset; 2547d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct io_u dummy; 255c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe void *buf; 2567d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2570dce9bc9b21a8d91aa55a29258dfaeffc57bd466Steven Lang if (!td->o.verify_dump) 2580dce9bc9b21a8d91aa55a29258dfaeffc57bd466Steven Lang return; 2590dce9bc9b21a8d91aa55a29258dfaeffc57bd466Steven Lang 260c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe /* 261c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * Dump the contents we just read off disk 262c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe */ 2637d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr_offset = vc->hdr_num * hdr->len; 2647d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 265c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, 266c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe "received", vc->io_u->file); 2677d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 268c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe /* 269c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * Allocate a new buf and re-generate the original data 270c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe */ 271c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe buf = malloc(io_u->buflen); 2727d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dummy = *io_u; 273c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe dummy.buf = buf; 2744aae38a645f3315ca2f8cc57a7ec4110ba7d8319Jens Axboe dummy.rand_seed = hdr->rand_seed; 275cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe dummy.buf_filled_len = 0; 2767d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 277c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); 2787d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 279c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, 280c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe "expected", vc->io_u->file); 2817d9fb455aadc0c0363489591775496f27f4a560aJens Axboe free(buf); 2827d9fb455aadc0c0363489591775496f27f4a560aJens Axboe} 2837d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 284bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboestatic void log_verify_failure(struct verify_header *hdr, struct vcont *vc) 285bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe{ 286bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe unsigned long long offset; 287bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe 288bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe offset = vc->io_u->offset; 289bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe offset += vc->hdr_num * hdr->len; 29032c17adf7f75da1f0957d4691633fea60259910fJens Axboe log_err("%.8s: verify failed at file %s offset %llu, length %u\n", 29132c17adf7f75da1f0957d4691633fea60259910fJens Axboe vc->name, vc->io_u->file->file_name, offset, hdr->len); 292bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe 293bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (vc->good_crc && vc->bad_crc) { 294bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err(" Expected CRC: "); 295bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe hexdump(vc->good_crc, vc->crc_len); 296bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err(" Received CRC: "); 297bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe hexdump(vc->bad_crc, vc->crc_len); 298bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe } 2997d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 3007d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dump_verify_buffers(hdr, vc); 301bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe} 302bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe 303936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe/* 304d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe * Return data area 'header_num' 305d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe */ 306936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) 307d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe{ 308936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); 309d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe} 310d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe 31192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboestatic unsigned int hweight8(unsigned int w) 31292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe{ 31392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe unsigned int res = w - ((w >> 1) & 0x55); 31492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 31592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe res = (res & 0x33) + ((res >> 2) & 0x33); 31692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return (res + (res >> 4)) & 0x0F; 31792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe} 31892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 31992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboestatic int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) 32092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe{ 32192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe struct thread_data *td = vc->td; 32292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe struct io_u *io_u = vc->io_u; 32392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe char *buf, *pattern; 3242b13e716c0921356c0930522718e00b8df34293aJens Axboe unsigned int header_size = __hdr_size(td->o.verify); 32592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe unsigned int len, mod, i; 32692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 32792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe pattern = td->o.verify_pattern; 3282b13e716c0921356c0930522718e00b8df34293aJens Axboe buf = (void *) hdr + header_size; 3292b13e716c0921356c0930522718e00b8df34293aJens Axboe len = get_hdr_inc(td, io_u) - header_size; 3302b13e716c0921356c0930522718e00b8df34293aJens Axboe mod = header_size % td->o.verify_pattern_bytes; 33192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 33292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe for (i = 0; i < len; i++) { 33392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (buf[i] != pattern[mod]) { 33492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe unsigned int bits; 33592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 33692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe bits = hweight8(buf[i] ^ pattern[mod]); 33792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", 33892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe buf[i], pattern[mod], bits); 33992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe log_err("fio: bad pattern block offset %u\n", i); 34092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe dump_verify_buffers(hdr, vc); 34192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return EILSEQ; 34292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe } 34392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe mod++; 34492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (mod == td->o.verify_pattern_bytes) 34592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe mod = 0; 34692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe } 34792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 34892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return 0; 34992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe} 35092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 35192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboestatic int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) 3527437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis{ 35392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe struct thread_data *td = vc->td; 3547437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis struct vhdr_meta *vh = hdr_priv(hdr); 355936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe struct io_u *io_u = vc->io_u; 35692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe int ret = EILSEQ; 3577437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 358bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); 359bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 360bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) 36192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret = 0; 36292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 36392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (td->o.verify_pattern_bytes) 36492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret |= verify_io_u_pattern(hdr, vc); 36592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 36692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (!ret) 367bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 3687437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 369bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "meta"; 370bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 37192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return ret; 3727437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis} 3737437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 374936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) 375cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 376936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 377546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha512 *vh = hdr_priv(hdr); 378cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe uint8_t sha512[128]; 379cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha512_ctx sha512_ctx = { 380cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe .buf = sha512, 381cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 382cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 383936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); 384bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 385cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha512_init(&sha512_ctx); 3868767783245faac99a7e1c330a1d6536e579c8402Jens Axboe sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); 387cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 388bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) 389bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 390cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 391bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "sha512"; 392bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->sha512; 393bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = sha512_ctx.buf; 394bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(vh->sha512); 395bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 396bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 397cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 398cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 399936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) 400cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 401936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 402546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha256 *vh = hdr_priv(hdr); 403bc77f56f79f6ae155e9eb26263ed686ef28b47ecJens Axboe uint8_t sha256[64]; 404cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha256_ctx sha256_ctx = { 405cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe .buf = sha256, 406cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 407cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 408936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); 409bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 410cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha256_init(&sha256_ctx); 4118767783245faac99a7e1c330a1d6536e579c8402Jens Axboe sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); 412cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 413bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) 414bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 415cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 416bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "sha256"; 417bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->sha256; 418bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = sha256_ctx.buf; 419bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(vh->sha256); 420bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 421bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 422cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 423cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 424936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) 4257c353ceb3257b132f4c98326046b42201e070731Jens Axboe{ 426936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 4277c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct vhdr_sha1 *vh = hdr_priv(hdr); 4287c353ceb3257b132f4c98326046b42201e070731Jens Axboe uint32_t sha1[5]; 4297c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct sha1_ctx sha1_ctx = { 4307c353ceb3257b132f4c98326046b42201e070731Jens Axboe .H = sha1, 4317c353ceb3257b132f4c98326046b42201e070731Jens Axboe }; 4327c353ceb3257b132f4c98326046b42201e070731Jens Axboe 433936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); 4347c353ceb3257b132f4c98326046b42201e070731Jens Axboe 4357c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_init(&sha1_ctx); 4367c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); 4377c353ceb3257b132f4c98326046b42201e070731Jens Axboe 438bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) 439bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 4407c353ceb3257b132f4c98326046b42201e070731Jens Axboe 441bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "sha1"; 442bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->sha1; 443bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = sha1_ctx.H; 444bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(vh->sha1); 445bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 446bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 4477c353ceb3257b132f4c98326046b42201e070731Jens Axboe} 4487c353ceb3257b132f4c98326046b42201e070731Jens Axboe 449936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) 4501e154bdbf14a1d352117aea057035235b66f0381Jens Axboe{ 451936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 452546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc7 *vh = hdr_priv(hdr); 4531e154bdbf14a1d352117aea057035235b66f0381Jens Axboe unsigned char c; 4541e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 455936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); 456bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 4578767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc7(p, hdr->len - hdr_size(hdr)); 4581e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 459bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc7) 460bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 4611e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 462bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc7"; 463bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc7; 464bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 465bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 1; 466bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 467bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 4681e154bdbf14a1d352117aea057035235b66f0381Jens Axboe} 4691e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 470936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) 471969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe{ 472936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 473546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc16 *vh = hdr_priv(hdr); 474969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe unsigned short c; 475969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 476936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); 477bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 4788767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc16(p, hdr->len - hdr_size(hdr)); 479969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 480bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc16) 481bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 482969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 483bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc16"; 484bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc16; 485bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 486bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 2; 487bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 488bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 489969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe} 490969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 491936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) 492d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe{ 493936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 494546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc64 *vh = hdr_priv(hdr); 495d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe unsigned long long c; 496d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 497936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); 498bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 4998767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc64(p, hdr->len - hdr_size(hdr)); 500d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 501bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc64) 502bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 503d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 504bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc64"; 505bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc64; 506bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 507bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 8; 508bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 509bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 510d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe} 511d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 512936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) 513e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 514936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 515546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 516546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe uint32_t c; 517e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 518936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); 519bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 5208767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc32(p, hdr->len - hdr_size(hdr)); 521e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 522bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc32) 523bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 524e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 525bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc32"; 526bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc32; 527bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 528bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 4; 529bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 530bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 531e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 532e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 533936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) 534bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe{ 535936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 536bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 537bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe uint32_t c; 538bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 539936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); 540bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 5413845591fadea480177223e28c9d1c03642d34f0eJens Axboe if (hdr->verify_type == VERIFY_CRC32C_INTEL) 5423845591fadea480177223e28c9d1c03642d34f0eJens Axboe c = crc32c_intel(p, hdr->len - hdr_size(hdr)); 5433845591fadea480177223e28c9d1c03642d34f0eJens Axboe else 5443845591fadea480177223e28c9d1c03642d34f0eJens Axboe c = crc32c(p, hdr->len - hdr_size(hdr)); 545bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 546bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc32) 547bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 548bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 549bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc32c"; 550bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc32; 551bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 552bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 4; 553bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 554bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 555bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe} 556bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 557936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) 558e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 559936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 560546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_md5 *vh = hdr_priv(hdr); 5618c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe uint32_t hash[MD5_HASH_WORDS]; 5628c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe struct md5_ctx md5_ctx = { 5638c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe .hash = hash, 5648c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe }; 565e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 566936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); 567bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 56861f821f16cf27d8742e09b3a137c933cd0085e9bJens Axboe md5_init(&md5_ctx); 5698767783245faac99a7e1c330a1d6536e579c8402Jens Axboe md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); 570e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 571bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) 572bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 573e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 574bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "md5"; 575bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->md5_digest; 576bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = md5_ctx.hash; 577bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(hash); 578bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 579bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 580e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 581e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 582e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe/* 583e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe * Push IO verification to a separate thread 584e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe */ 585e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboeint verify_io_u_async(struct thread_data *td, struct io_u *io_u) 586e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 587e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (io_u->file) 588e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe put_file_log(td, io_u->file); 589e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 590e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 591d7ee2a7d431c2cabdf56d04ca14805cad72cf985Steven Lang 5920c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { 5930c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran td->cur_depth--; 5940c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; 5950c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran } 596e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe flist_del(&io_u->list); 597e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe flist_add_tail(&io_u->list, &td->verify_list); 5982ecc1b57721e3cb72bbf558bc169c97037fe3d0aJens Axboe io_u->flags |= IO_U_F_FREE_DEF; 599e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 600e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 601e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_signal(&td->verify_cond); 602e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return 0; 603e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 604e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 6050d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboestatic int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) 6060d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe{ 6070d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe static char zero_buf[1024]; 6080d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe unsigned int this_len, len; 6090d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe int ret = 0; 6100d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe void *p; 6110d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 6120d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (!td->o.trim_zero) 6130d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe return 0; 6140d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 6150d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe len = io_u->buflen; 6160d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe p = io_u->buf; 6170d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe do { 6180d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe this_len = sizeof(zero_buf); 6190d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (this_len > len) 6200d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe this_len = len; 6210d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (memcmp(p, zero_buf, this_len)) { 6220d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe ret = EILSEQ; 6230d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe break; 6240d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe } 6250d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe len -= this_len; 6260d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe p += this_len; 6270d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe } while (len); 6280d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 6290d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (!ret) 6300d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe return 0; 6310d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 632a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe log_err("trim: verify failed at file %s offset %llu, length %lu" 633a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe ", block offset %lu\n", 634a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe io_u->file->file_name, io_u->offset, io_u->buflen, 6352f68124f26e54233db41b462a257dabc48e5c32bJens Axboe (unsigned long) (p - io_u->buf)); 6360d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe return ret; 6370d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe} 6380d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 63936690c9b5b50736cec1fcd53100f01fd1181fdf4Jens Axboeint verify_io_u(struct thread_data *td, struct io_u *io_u) 640e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 6413f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis struct verify_header *hdr; 6422b13e716c0921356c0930522718e00b8df34293aJens Axboe unsigned int header_size, hdr_inc, hdr_num = 0; 64395646108f83a34c0486d7f3ed19e99c1d93691e6Jens Axboe void *p; 644e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe int ret; 645e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 6461dcc049824b840df1ee0ef5d019fffa4037e1bb0Shawn Lewis if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) 64736690c9b5b50736cec1fcd53100f01fd1181fdf4Jens Axboe return 0; 6480d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (io_u->flags & IO_U_F_TRIMMED) { 6490d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe ret = verify_trimmed_io_u(td, io_u); 6500d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe goto done; 6510d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe } 65236690c9b5b50736cec1fcd53100f01fd1181fdf4Jens Axboe 653cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = get_hdr_inc(td, io_u); 654e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 655a12a3b4d8903b9941705067442c2c530a94635f3Jens Axboe ret = 0; 6565ec10eaad3b09875b91e19a20bbdfa06f2117562Jens Axboe for (p = io_u->buf; p < io_u->buf + io_u->buflen; 6575ec10eaad3b09875b91e19a20bbdfa06f2117562Jens Axboe p += hdr_inc, hdr_num++) { 658bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe struct vcont vc = { 659bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe .io_u = io_u, 660bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe .hdr_num = hdr_num, 6617d9fb455aadc0c0363489591775496f27f4a560aJens Axboe .td = td, 662bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe }; 663936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe 664f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe if (ret && td->o.verify_fatal) 665a12a3b4d8903b9941705067442c2c530a94635f3Jens Axboe break; 666f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe 6672b13e716c0921356c0930522718e00b8df34293aJens Axboe header_size = __hdr_size(td->o.verify); 668a59e170d683f9ccbaa45648d7ae9a13b70e3822cJens Axboe if (td->o.verify_offset) 6692b13e716c0921356c0930522718e00b8df34293aJens Axboe memswp(p, p + td->o.verify_offset, header_size); 67095646108f83a34c0486d7f3ed19e99c1d93691e6Jens Axboe hdr = p; 671e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 6723f199b01fc9cc7a0f4915db266d7a28bc46e84f0Jens Axboe if (hdr->fio_magic != FIO_HDR_MAGIC) { 673c9b440312ff63c2b4c8548530f24c2eb5820b6a3Jens Axboe log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", 674c9b440312ff63c2b4c8548530f24c2eb5820b6a3Jens Axboe hdr->fio_magic, FIO_HDR_MAGIC, 675c9b440312ff63c2b4c8548530f24c2eb5820b6a3Jens Axboe io_u->file->file_name, 676c9b440312ff63c2b4c8548530f24c2eb5820b6a3Jens Axboe io_u->offset + hdr_num * hdr->len, hdr->len); 6779fd189697dbf9fb7878093be5e41f25b7f932c2dJens Axboe return EILSEQ; 6783f199b01fc9cc7a0f4915db266d7a28bc46e84f0Jens Axboe } 6793f199b01fc9cc7a0f4915db266d7a28bc46e84f0Jens Axboe 6803f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis switch (hdr->verify_type) { 6813f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_MD5: 682936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_md5(hdr, &vc); 6833f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 6843f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC64: 685936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc64(hdr, &vc); 6863f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 687bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe case VERIFY_CRC32C: 6883845591fadea480177223e28c9d1c03642d34f0eJens Axboe case VERIFY_CRC32C_INTEL: 689936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc32c(hdr, &vc); 690bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe break; 6913f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC32: 692936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc32(hdr, &vc); 6933f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 6943f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC16: 695936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc16(hdr, &vc); 6963f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 6973f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC7: 698936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc7(hdr, &vc); 6993f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 700cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe case VERIFY_SHA256: 701936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_sha256(hdr, &vc); 702cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe break; 703cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe case VERIFY_SHA512: 704936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_sha512(hdr, &vc); 705cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe break; 7067437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis case VERIFY_META: 70792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret = verify_io_u_meta(hdr, &vc); 7087437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis break; 7097c353ceb3257b132f4c98326046b42201e070731Jens Axboe case VERIFY_SHA1: 710936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_sha1(hdr, &vc); 7117c353ceb3257b132f4c98326046b42201e070731Jens Axboe break; 71292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe case VERIFY_PATTERN: 71392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret = verify_io_u_pattern(hdr, &vc); 71492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe break; 7153f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis default: 7163f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis log_err("Bad verify type %u\n", hdr->verify_type); 717d16d4e09352f618c266d1efe27cbb25a95df6e86Jens Axboe ret = EINVAL; 7183f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis } 7193f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis } 720a7dfe862c2e3fe72b8db6a6e67302048d3731c6dJens Axboe 7210d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboedone: 722f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe if (ret && td->o.verify_fatal) 723f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe td->terminate = 1; 724f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe 725a12a3b4d8903b9941705067442c2c530a94635f3Jens Axboe return ret; 726e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 727e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 7287437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewisstatic void fill_meta(struct verify_header *hdr, struct thread_data *td, 7295ec10eaad3b09875b91e19a20bbdfa06f2117562Jens Axboe struct io_u *io_u, unsigned int header_num) 7307437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis{ 7317437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis struct vhdr_meta *vh = hdr_priv(hdr); 7327437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7337437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->thread = td->thread_number; 7347437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7357437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->time_sec = io_u->start_time.tv_sec; 7367437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->time_usec = io_u->start_time.tv_usec; 7377437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7387437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->numberio = td->io_issues[DDIR_WRITE]; 7397437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7407437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->offset = io_u->offset + header_num * td->o.verify_interval; 7417437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis} 7427437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 743cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboestatic void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) 744cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 745546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha512 *vh = hdr_priv(hdr); 746cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha512_ctx sha512_ctx = { 747546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe .buf = vh->sha512, 748cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 749cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 750cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha512_init(&sha512_ctx); 751cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha512_update(&sha512_ctx, p, len); 752cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 753cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 754cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboestatic void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) 755cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 756546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha256 *vh = hdr_priv(hdr); 757cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha256_ctx sha256_ctx = { 758546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe .buf = vh->sha256, 759cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 760cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 761cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha256_init(&sha256_ctx); 762cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha256_update(&sha256_ctx, p, len); 763cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 764cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 7657c353ceb3257b132f4c98326046b42201e070731Jens Axboestatic void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) 7667c353ceb3257b132f4c98326046b42201e070731Jens Axboe{ 7677c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct vhdr_sha1 *vh = hdr_priv(hdr); 7687c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct sha1_ctx sha1_ctx = { 7697c353ceb3257b132f4c98326046b42201e070731Jens Axboe .H = vh->sha1, 7707c353ceb3257b132f4c98326046b42201e070731Jens Axboe }; 7717c353ceb3257b132f4c98326046b42201e070731Jens Axboe 7727c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_init(&sha1_ctx); 7737c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_update(&sha1_ctx, p, len); 7747c353ceb3257b132f4c98326046b42201e070731Jens Axboe} 7757c353ceb3257b132f4c98326046b42201e070731Jens Axboe 7761e154bdbf14a1d352117aea057035235b66f0381Jens Axboestatic void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) 7771e154bdbf14a1d352117aea057035235b66f0381Jens Axboe{ 778546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc7 *vh = hdr_priv(hdr); 779546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 780546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc7 = crc7(p, len); 7811e154bdbf14a1d352117aea057035235b66f0381Jens Axboe} 7821e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 783969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboestatic void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) 784969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe{ 785546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc16 *vh = hdr_priv(hdr); 786546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 787546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc16 = crc16(p, len); 788969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe} 789969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 790e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboestatic void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) 791e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 792546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 793546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 794546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc32 = crc32(p, len); 795e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 796e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 797bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboestatic void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) 798bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe{ 799bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 800bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 8013845591fadea480177223e28c9d1c03642d34f0eJens Axboe if (hdr->verify_type == VERIFY_CRC32C_INTEL) 8023845591fadea480177223e28c9d1c03642d34f0eJens Axboe vh->crc32 = crc32c_intel(p, len); 8033845591fadea480177223e28c9d1c03642d34f0eJens Axboe else 8043845591fadea480177223e28c9d1c03642d34f0eJens Axboe vh->crc32 = crc32c(p, len); 805bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe} 806bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 807d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboestatic void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) 808d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe{ 809546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc64 *vh = hdr_priv(hdr); 810546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 811546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc64 = crc64(p, len); 812d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe} 813d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 814e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboestatic void fill_md5(struct verify_header *hdr, void *p, unsigned int len) 815e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 816546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_md5 *vh = hdr_priv(hdr); 8178c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe struct md5_ctx md5_ctx = { 818546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe .hash = (uint32_t *) vh->md5_digest, 8198c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe }; 820e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 82161f821f16cf27d8742e09b3a137c933cd0085e9bJens Axboe md5_init(&md5_ctx); 822e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe md5_update(&md5_ctx, p, len); 823e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 824e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 8257d9fb455aadc0c0363489591775496f27f4a560aJens Axboestatic void populate_hdr(struct thread_data *td, struct io_u *io_u, 8267d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct verify_header *hdr, unsigned int header_num, 8277d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned int header_len) 8287d9fb455aadc0c0363489591775496f27f4a560aJens Axboe{ 8297d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned int data_len; 8307d9fb455aadc0c0363489591775496f27f4a560aJens Axboe void *data, *p; 8317d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 8327d9fb455aadc0c0363489591775496f27f4a560aJens Axboe p = (void *) hdr; 8337d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 8347d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr->fio_magic = FIO_HDR_MAGIC; 8357d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr->len = header_len; 8367d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr->verify_type = td->o.verify; 8377d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr->rand_seed = io_u->rand_seed; 8387d9fb455aadc0c0363489591775496f27f4a560aJens Axboe data_len = header_len - hdr_size(hdr); 8397d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 8407d9fb455aadc0c0363489591775496f27f4a560aJens Axboe data = p + hdr_size(hdr); 8417d9fb455aadc0c0363489591775496f27f4a560aJens Axboe switch (td->o.verify) { 8427d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_MD5: 8437d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", 8447d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8457d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_md5(hdr, data, data_len); 8467d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8477d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC64: 8487d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", 8497d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8507d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc64(hdr, data, data_len); 8517d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8527d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC32C: 8537d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC32C_INTEL: 8547d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", 8557d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8567d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc32c(hdr, data, data_len); 8577d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8587d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC32: 8597d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", 8607d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8617d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc32(hdr, data, data_len); 8627d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8637d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC16: 8647d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", 8657d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8667d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc16(hdr, data, data_len); 8677d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8687d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC7: 8697d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", 8707d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8717d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc7(hdr, data, data_len); 8727d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8737d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_SHA256: 8747d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", 8757d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8767d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_sha256(hdr, data, data_len); 8777d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8787d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_SHA512: 8797d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", 8807d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8817d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_sha512(hdr, data, data_len); 8827d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8837d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_META: 8847d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", 8857d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8867d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_meta(hdr, td, io_u, header_num); 8877d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8887d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_SHA1: 8897d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", 8907d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8917d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_sha1(hdr, data, data_len); 8927d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 89392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe case VERIFY_PATTERN: 89492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe /* nothing to do here */ 89592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe break; 8967d9fb455aadc0c0363489591775496f27f4a560aJens Axboe default: 8977d9fb455aadc0c0363489591775496f27f4a560aJens Axboe log_err("fio: bad verify type: %d\n", td->o.verify); 8987d9fb455aadc0c0363489591775496f27f4a560aJens Axboe assert(0); 8997d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 9007d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (td->o.verify_offset) 9017d9fb455aadc0c0363489591775496f27f4a560aJens Axboe memswp(p, p + td->o.verify_offset, hdr_size(hdr)); 9027d9fb455aadc0c0363489591775496f27f4a560aJens Axboe} 9037d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 904e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe/* 905e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe * fill body of io_u->buf with random data and add a header with the 906c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * checksum of choice 907e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe */ 908e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboevoid populate_verify_io_u(struct thread_data *td, struct io_u *io_u) 909e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 9109cc3d1506b9f7ce0a9dba38c32c418e54ea0b573Jens Axboe if (td->o.verify == VERIFY_NULL) 9119cc3d1506b9f7ce0a9dba38c32c418e54ea0b573Jens Axboe return; 9129cc3d1506b9f7ce0a9dba38c32c418e54ea0b573Jens Axboe 913c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe fill_pattern_headers(td, io_u, 0, 0); 914e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 915e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 916e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboeint get_next_verify(struct thread_data *td, struct io_u *io_u) 917e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 9188de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe struct io_piece *ipo = NULL; 919e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 920d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe /* 921d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe * this io_u is from a requeue, we already filled the offsets 922d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe */ 923d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe if (io_u->file) 924d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe return 0; 925d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe 9268de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { 9278de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe struct rb_node *n = rb_first(&td->io_hist_tree); 928e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 9298de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe ipo = rb_entry(n, struct io_piece, rb_node); 9304b87898e8d76aaf05baec83077a11311c1447397Jens Axboe rb_erase(n, &td->io_hist_tree); 931a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe assert(ipo->flags & IP_F_ONRB); 932a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe ipo->flags &= ~IP_F_ONRB; 93301743ee1718e7ec4b16ae3e53c8f64900c6052ccJens Axboe } else if (!flist_empty(&td->io_hist_list)) { 93401743ee1718e7ec4b16ae3e53c8f64900c6052ccJens Axboe ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); 93501743ee1718e7ec4b16ae3e53c8f64900c6052ccJens Axboe flist_del(&ipo->list); 936a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe assert(ipo->flags & IP_F_ONLIST); 937a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe ipo->flags &= ~IP_F_ONLIST; 9388de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe } 939e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 9408de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe if (ipo) { 9410d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe td->io_hist_len--; 9420d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 943e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe io_u->offset = ipo->offset; 944e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe io_u->buflen = ipo->len; 94536167d82e5f49dee91c6d2cd426068edee90e36fJens Axboe io_u->file = ipo->file; 94697af62cec418cd722fb43c6010d6430534e12353Jens Axboe 9470d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (ipo->flags & IP_F_TRIMMED) 9480d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe io_u->flags |= IO_U_F_TRIMMED; 9490d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 950d6aed795f2e3e403828abf60874dd2d6e8342a1bJens Axboe if (!fio_file_open(io_u->file)) { 95197af62cec418cd722fb43c6010d6430534e12353Jens Axboe int r = td_io_open_file(td, io_u->file); 95297af62cec418cd722fb43c6010d6430534e12353Jens Axboe 953bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe if (r) { 954bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "failed file %s open\n", 955bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe io_u->file->file_name); 95697af62cec418cd722fb43c6010d6430534e12353Jens Axboe return 1; 957bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe } 95897af62cec418cd722fb43c6010d6430534e12353Jens Axboe } 95997af62cec418cd722fb43c6010d6430534e12353Jens Axboe 96097af62cec418cd722fb43c6010d6430534e12353Jens Axboe get_file(ipo->file); 961d6aed795f2e3e403828abf60874dd2d6e8342a1bJens Axboe assert(fio_file_open(io_u->file)); 962e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe io_u->ddir = DDIR_READ; 96336167d82e5f49dee91c6d2cd426068edee90e36fJens Axboe io_u->xfer_buf = io_u->buf; 96436167d82e5f49dee91c6d2cd426068edee90e36fJens Axboe io_u->xfer_buflen = io_u->buflen; 9650d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 9660d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe remove_trim_entry(td, ipo); 967e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe free(ipo); 968bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); 969e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe return 0; 970e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe } 971e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 972bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "get_next_verify: empty\n"); 973e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe return 1; 974e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 975e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 976e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboestatic void *verify_async_thread(void *data) 977e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 978e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe struct thread_data *td = data; 979e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe struct io_u *io_u; 980e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe int ret = 0; 981e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 982e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (td->o.verify_cpumask_set && 983e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe fio_setaffinity(td->pid, td->o.verify_cpumask)) { 984e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe log_err("fio: failed setting verify thread affinity\n"); 985e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe goto done; 986e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 987e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 988e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe do { 989e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe FLIST_HEAD(list); 990e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe 991e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe read_barrier(); 992e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (td->verify_thread_exit) 993e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 994e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 995e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 996e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 997e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe while (flist_empty(&td->verify_list) && 998e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe !td->verify_thread_exit) { 999b36e298b5bdfc31ffc9a4c14e94a9c5c748888b0Jens Axboe ret = pthread_cond_wait(&td->verify_cond, 1000b36e298b5bdfc31ffc9a4c14e94a9c5c748888b0Jens Axboe &td->io_u_lock); 1001e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (ret) { 1002e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1003e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1004e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1005e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1006e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1007e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe flist_splice_init(&td->verify_list, &list); 1008e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1009e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe 1010e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe if (flist_empty(&list)) 1011e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe continue; 1012e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1013e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe while (!flist_empty(&list)) { 1014e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe io_u = flist_entry(list.next, struct io_u, list); 1015e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe flist_del_init(&io_u->list); 1016e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1017d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe ret = verify_io_u(td, io_u); 1018e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe put_io_u(td, io_u); 1019d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe if (!ret) 1020d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe continue; 1021068420271828b3b2426ffc3ccf64404cb9d340fbSteven Lang if (td->o.continue_on_error & ERROR_TYPE_VERIFY && 1022d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe td_non_fatal_error(ret)) { 1023d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe update_error_count(td, ret); 1024d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe td_clear_error(td); 1025d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe ret = 0; 1026d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe } 1027e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe } 1028e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } while (!ret); 1029e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1030d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe if (ret) { 1031d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe td_verror(td, ret, "async_verify"); 1032f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe if (td->o.verify_fatal) 1033f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe td->terminate = 1; 1034d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe } 1035d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe 1036e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboedone: 1037e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 1038e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->nr_verify_threads--; 1039e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1040e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1041e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_signal(&td->free_cond); 1042e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return NULL; 1043e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 1044e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1045e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboeint verify_async_init(struct thread_data *td) 1046e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 1047e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe int i, ret; 1048304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_t attr; 1049304a47c7d94f407cc72a87025679a67f02288447bart Van Assche 1050304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_init(&attr); 1051304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); 1052e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1053e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_thread_exit = 0; 1054e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1055e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); 1056e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe for (i = 0; i < td->o.verify_async; i++) { 1057304a47c7d94f407cc72a87025679a67f02288447bart Van Assche ret = pthread_create(&td->verify_threads[i], &attr, 1058e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe verify_async_thread, td); 1059e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (ret) { 1060e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe log_err("fio: async verify creation failed: %s\n", 1061e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe strerror(ret)); 1062e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1063e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1064e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe ret = pthread_detach(td->verify_threads[i]); 1065e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (ret) { 1066e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe log_err("fio: async verify thread detach failed: %s\n", 1067e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe strerror(ret)); 1068e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1069e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1070e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->nr_verify_threads++; 1071e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1072e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1073304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_destroy(&attr); 1074304a47c7d94f407cc72a87025679a67f02288447bart Van Assche 1075e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (i != td->o.verify_async) { 1076e40823b10920f679d84f3f2222e319c168b1e7daJens Axboe log_err("fio: only %d verify threads started, exiting\n", i); 1077e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_thread_exit = 1; 1078e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe write_barrier(); 1079e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_broadcast(&td->verify_cond); 1080e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return 1; 1081e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1082e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1083e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return 0; 1084e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 1085e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1086e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboevoid verify_async_exit(struct thread_data *td) 1087e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 1088e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_thread_exit = 1; 1089e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe write_barrier(); 1090e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_broadcast(&td->verify_cond); 1091e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1092e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 1093e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1094e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe while (td->nr_verify_threads) 1095e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_wait(&td->free_cond, &td->io_u_lock); 1096e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1097e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1098e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe free(td->verify_threads); 1099e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_threads = NULL; 1100e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 1101