jfs_user.h revision e35d548b59e24af9f7fc18396e8880df96d1bc51
1cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o/* 2cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * Compatibility header file for e2fsck which should be included 3cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * instead of linux/jfs.h 4cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * 5cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * Copyright (C) 2000 Stephen C. Tweedie 6cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * 7cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * This file may be redistributed under the terms of the 8cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * GNU General Public License version 2 or at your discretion 9cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * any later version. 10cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o */ 11cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 12cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o/* 13cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o * Pull in the definition of the e2fsck context structure 14cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o */ 150e8a9560d89dd9cca73037a59efa93e46abdccdaTheodore Ts'o#include "e2fsck.h" 16cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 17cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'ostruct buffer_head { 188cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o e2fsck_t b_ctx; 198cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o io_channel b_io; 208cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o int b_size; 218cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o blk_t b_blocknr; 228cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o int b_dirty; 238cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o int b_uptodate; 248cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o int b_err; 25e35d548b59e24af9f7fc18396e8880df96d1bc51Theodore Ts'o char b_data[1024]; 26cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o}; 27cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 28cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'ostruct inode { 2986c627ec1136446409a0170d439e60c148e6eb48Theodore Ts'o e2fsck_t i_ctx; 3086c627ec1136446409a0170d439e60c148e6eb48Theodore Ts'o ext2_ino_t i_ino; 31cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o struct ext2_inode i_ext2; 32cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o}; 33cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 348cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ostruct kdev_s { 358cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o e2fsck_t k_ctx; 368cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o int k_dev; 378cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o}; 38cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 398cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o#define K_DEV_FS 1 408cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o#define K_DEV_JOURNAL 2 418cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o 428cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'otypedef struct kdev_s *kdev_t; 438cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o 443de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o#define lock_buffer(bh) do {} while(0) 453de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o#define unlock_buffer(bh) do {} while(0) 46cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define buffer_req(bh) 1 47cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define do_readahead(journal, start) do {} while(0) 48efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 49cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'oextern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ 50cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 51cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'otypedef struct { 52cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o int object_length; 531911bf113ef0f9c71090f26279e4a4082fae0abcTheodore Ts'o} lkmem_cache_t; 54cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 55cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define kmem_cache_alloc(cache,flags) malloc((cache)->object_length) 56cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define kmem_cache_free(cache,obj) free(obj) 57cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define kmem_cache_create(name,len,a,b,c,d) do_cache_create(len) 588cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o#define kmem_cache_destroy(cache) do_cache_destroy(cache) 59cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define kmalloc(len,flags) malloc(len) 60cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o#define kfree(p) free(p) 61cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 62e5ea6b14eb93671525e01ec4a6100febe541bf67Theodore Ts'o#define cond_resched() do { } while (0) 63e5ea6b14eb93671525e01ec4a6100febe541bf67Theodore Ts'o 64e5ea6b14eb93671525e01ec4a6100febe541bf67Theodore Ts'otypedef unsigned int __be32; 65e5ea6b14eb93671525e01ec4a6100febe541bf67Theodore Ts'o 66185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o#define __init 67185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o 68185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o/* 69185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o * Now pull in the real linux/jfs.h definitions. 70185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o */ 71185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o#include <ext2fs/kernel-jbd.h> 72185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o 732acad6b4895a0e218f9d9eece1ade23c2cf4ffc7Theodore Ts'o/* 742acad6b4895a0e218f9d9eece1ade23c2cf4ffc7Theodore Ts'o * We use the standard libext2fs portability tricks for inline 75efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * functions. 762acad6b4895a0e218f9d9eece1ade23c2cf4ffc7Theodore Ts'o */ 771911bf113ef0f9c71090f26279e4a4082fae0abcTheodore Ts'oextern lkmem_cache_t * do_cache_create(int len); 781911bf113ef0f9c71090f26279e4a4082fae0abcTheodore Ts'oextern void do_cache_destroy(lkmem_cache_t *cache); 792acad6b4895a0e218f9d9eece1ade23c2cf4ffc7Theodore Ts'oextern size_t journal_tag_bytes(journal_t *journal); 80efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 8153ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) 8253ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#ifdef E2FSCK_INCLUDE_INLINE_FUNCS 8353ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#define _INLINE_ extern 8453ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#else 8553ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#ifdef __GNUC__ 8653ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#define _INLINE_ extern __inline__ 8753ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#else /* For Watcom C */ 8853ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#define _INLINE_ extern inline 8953ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#endif 9053ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o#endif 9153ef44c40a3e425d2c700d8fd77a6b655aa121feTheodore Ts'o 921911bf113ef0f9c71090f26279e4a4082fae0abcTheodore Ts'o_INLINE_ lkmem_cache_t * do_cache_create(int len) 93cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o{ 941911bf113ef0f9c71090f26279e4a4082fae0abcTheodore Ts'o lkmem_cache_t *new_cache; 95cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o new_cache = malloc(sizeof(*new_cache)); 96cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o if (new_cache) 97cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o new_cache->object_length = len; 98cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o return new_cache; 99cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o} 100cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o 1011911bf113ef0f9c71090f26279e4a4082fae0abcTheodore Ts'o_INLINE_ void do_cache_destroy(lkmem_cache_t *cache) 1028cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o{ 1038cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o free(cache); 1048cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o} 1058cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o 106cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o/* 107185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o * helper functions to deal with 32 or 64bit block numbers. 108cc7067b40bbd3e585da3031c1e06794107ff0d0bTheodore Ts'o */ 109185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o_INLINE_ size_t journal_tag_bytes(journal_t *journal) 110185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o{ 111185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o if (JFS_HAS_INCOMPAT_FEATURE(journal, JFS_FEATURE_INCOMPAT_64BIT)) 112185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o return JBD_TAG_SIZE64; 113185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o else 114185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o return JBD_TAG_SIZE32; 115185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o} 116185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o 117185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o#undef _INLINE_ 118185c4aeaf23d48375e3506218305031663203d0fTheodore Ts'o#endif 1198cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o 1208cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o/* 1218cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o * Kernel compatibility functions are defined in journal.c 1228cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'o */ 1238cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'oint journal_bmap(journal_t *journal, blk_t block, unsigned long *phys); 1248cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ostruct buffer_head *getblk(kdev_t ctx, blk_t blocknr, int blocksize); 12593effaa456e490c6dfff08287c8f5c652cac8469Theodore Ts'ovoid sync_blockdev(kdev_t kdev); 1268cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ovoid ll_rw_block(int rw, int dummy, struct buffer_head *bh[]); 1278cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ovoid mark_buffer_dirty(struct buffer_head *bh); 1288cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ovoid mark_buffer_uptodate(struct buffer_head *bh, int val); 1298cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ovoid brelse(struct buffer_head *bh); 1308cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'oint buffer_uptodate(struct buffer_head *bh); 1318cf93332d180e6929d73cd8c855c3a83d6a6648cTheodore Ts'ovoid wait_on_buffer(struct buffer_head *bh); 1323de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o 1333de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o/* 1343de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o * Define newer 2.5 interfaces 1353de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o */ 1363de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize) 1373de085dd4109e6a7049dd6b85abf0313167cab5bTheodore Ts'o#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1) 138