Searched defs:buf (Results 1 - 25 of 282) sorted by relevance

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/fs/btrfs/tests/
H A Dextent-buffer-tests.c36 char buf[32]; local
106 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 0),
108 if (memcmp(buf, split1, strlen(split1))) {
111 (int)strlen(split1), buf, split1);
131 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 1),
133 if (memcmp(buf, split2, strlen(split2))) {
163 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 0),
165 if (memcmp(buf, split3, strlen(split3))) {
187 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 1),
189 if (memcmp(buf, split
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/fs/cifs/
H A Dsmb2maperror.c2450 map_smb2_to_linux_error(char *buf, bool log_err) argument
2452 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
H A Dsmb2file.c39 __u32 *oplock, FILE_ALL_INFO *buf)
70 if (buf) {
80 move_smb2_info_to_cifs(buf, smb2_data);
96 struct smb2_lock_element *buf, *cur; local
114 buf = kzalloc(max_num * sizeof(struct smb2_lock_element), GFP_KERNEL);
115 if (!buf)
118 cur = buf;
150 current->tgid, num, buf);
166 cur = buf;
174 num, buf);
38 smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, __u32 *oplock, FILE_ALL_INFO *buf) argument
188 smb2_push_mand_fdlocks(struct cifs_fid_locks *fdlocks, const unsigned int xid, struct smb2_lock_element *buf, unsigned int max_num) argument
233 struct smb2_lock_element *buf; local
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/fs/jffs2/
H A Dwritev.c33 size_t *retlen, const u_char *buf)
36 ret = mtd_write(c->mtd, ofs, len, retlen, buf);
42 vecs[0].iov_base = (unsigned char *) buf;
32 jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *retlen, const u_char *buf) argument
H A Dread.c24 struct jffs2_full_dnode *fd, unsigned char *buf,
53 jffs2_dbg(1, "Node read from %08x: node_crc %08x, calculated CRC %08x. dsize %x, csize %x, offset %x, buf %p\n",
56 je32_to_cpu(ri->offset), buf);
80 memset(buf, 0, len);
91 readbuf = buf;
107 decomprbuf = buf;
143 memcpy(buf, decomprbuf+ofs, len);
146 if(decomprbuf != buf && decomprbuf != readbuf)
149 if(readbuf != buf)
158 unsigned char *buf, uint32_
23 jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_full_dnode *fd, unsigned char *buf, int ofs, int len) argument
157 jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f, unsigned char *buf, uint32_t offset, uint32_t len) argument
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/fs/lockd/
H A Dprocfs.c20 nlm_end_grace_write(struct file *file, const char __user *buf, size_t size, argument
30 data = simple_transaction_get(file, buf, size);
48 nlm_end_grace_read(struct file *file, char __user *buf, size_t size, argument
59 return simple_read_from_buffer(buf, size, pos, resp, sizeof(resp));
/fs/ocfs2/cluster/
H A Dsys.c39 char *buf)
41 return snprintf(buf, PAGE_SIZE, "%u\n", O2NM_API_VERSION);
38 version_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) argument
H A Dmasklog.c36 static ssize_t mlog_mask_show(u64 mask, char *buf) argument
47 return snprintf(buf, PAGE_SIZE, "%s\n", state);
50 static ssize_t mlog_mask_store(u64 mask, const char *buf, size_t count) argument
52 if (!strncasecmp(buf, "allow", 5)) {
55 } else if (!strncasecmp(buf, "deny", 4)) {
58 } else if (!strncasecmp(buf, "off", 3)) {
108 char *buf)
112 return mlog_mask_show(mlog_attr->mask, buf);
116 const char *buf, size_t count)
120 return mlog_mask_store(mlog_attr->mask, buf, coun
107 mlog_show(struct kobject *obj, struct attribute *attr, char *buf) argument
115 mlog_store(struct kobject *obj, struct attribute *attr, const char *buf, size_t count) argument
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/fs/proc/
H A Dkmsg.c33 static ssize_t kmsg_read(struct file *file, char __user *buf, argument
39 return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC);
H A Dpage.c23 static ssize_t kpagecount_read(struct file *file, char __user *buf, argument
26 u64 __user *out = (u64 __user *)buf;
58 *ppos += (char __user *)out - buf;
60 ret = (char __user *)out - buf;
177 static ssize_t kpageflags_read(struct file *file, char __user *buf, argument
180 u64 __user *out = (u64 __user *)buf;
207 *ppos += (char __user *)out - buf;
209 ret = (char __user *)out - buf;
/fs/ecryptfs/
H A Dsuper.c99 * @buf: The struct kstatfs to fill in with stats
104 static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf) argument
112 rc = lower_dentry->d_sb->s_op->statfs(lower_dentry, buf);
116 buf->f_type = ECRYPTFS_SUPER_MAGIC;
117 rc = ecryptfs_set_f_namelen(&buf->f_namelen, buf->f_namelen,
/fs/sysfs/
H A Ddir.c24 char *buf, *path = NULL; local
26 buf = kzalloc(PATH_MAX, GFP_KERNEL);
27 if (buf)
28 path = kernfs_path(parent, buf, PATH_MAX);
33 kfree(buf);
/fs/9p/
H A Dvfs_dir.c47 * @buf: dirread buffer
56 uint8_t buf[]; member in struct:p9_rdir
130 err = v9fs_file_readn(file, rdir->buf, NULL,
140 err = p9stat_read(fid->clnt, rdir->buf + rdir->head,
186 err = p9_client_readdir(fid, rdir->buf, buflen,
197 err = p9dirent_read(fid->clnt, rdir->buf + rdir->head,
H A Dvfs_super.c245 static int v9fs_statfs(struct dentry *dentry, struct kstatfs *buf) argument
262 buf->f_type = rs.type;
263 buf->f_bsize = rs.bsize;
264 buf->f_blocks = rs.blocks;
265 buf->f_bfree = rs.bfree;
266 buf->f_bavail = rs.bavail;
267 buf->f_files = rs.files;
268 buf->f_ffree = rs.ffree;
269 buf->f_fsid.val[0] = rs.fsid & 0xFFFFFFFFUL;
270 buf
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/fs/coda/
H A Dfile.c30 coda_file_read(struct file *coda_file, char __user *buf, size_t count, loff_t *ppos) argument
42 return host_file->f_op->read(host_file, buf, count, ppos);
67 coda_file_write(struct file *coda_file, const char __user *buf, size_t count, loff_t *ppos) argument
85 ret = host_file->f_op->write(host_file, buf, count, ppos);
/fs/f2fs/
H A Dhash.c28 static void TEA_transform(unsigned int buf[4], unsigned int const in[]) argument
31 __u32 b0 = buf[0], b1 = buf[1];
41 buf[0] += b0;
42 buf[1] += b1;
46 unsigned int *buf, int num)
62 *buf++ = val;
68 *buf++ = val;
70 *buf++ = pad;
78 __u32 in[8], buf[ local
45 str2hashbuf(const unsigned char *msg, size_t len, unsigned int *buf, int num) argument
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/fs/freevxfs/
H A Dvxfs_bmap.c86 struct buffer_head *buf; local
90 buf = sb_bread(sb, vip->vii_ext4.ve4_indir[0]);
91 if (!buf || !buffer_mapped(buf))
94 indir = (u32 *)buf->b_data;
97 brelse(buf);
/fs/ncpfs/
H A Dsymlink.c47 char *buf = kmap(page); local
78 error = ncp_vol2io(NCP_SERVER(inode), buf, &len, link, length, 0);
/fs/nfsd/
H A Dfault_inject.c27 static ssize_t fault_inject_read(struct file *file, char __user *buf, argument
40 return simple_read_from_buffer(buf, len, ppos, read_buf, size);
43 static ssize_t fault_inject_write(struct file *file, const char __user *buf, argument
54 if (copy_from_user(write_buf, buf, size))
/fs/pstore/
H A Dftrace.c59 static ssize_t pstore_ftrace_knob_write(struct file *f, const char __user *buf, argument
65 ret = kstrtou8_from_user(buf, count, 2, &on);
93 static ssize_t pstore_ftrace_knob_read(struct file *f, char __user *buf, argument
98 return simple_read_from_buffer(buf, count, ppos, val, sizeof(val));
H A Dpmsg.c24 static ssize_t write_pmsg(struct file *file, const char __user *buf, argument
33 if (!access_ok(VERIFY_READ, buf, count))
49 ret = __copy_from_user(buffer, buf + i, c);
/fs/romfs/
H A Dstorage.c28 void *buf, size_t buflen)
33 ret = ROMFS_MTD_READ(sb, pos, buflen, &rlen, buf);
45 u_char buf[16], *p; local
52 ret = ROMFS_MTD_READ(sb, pos, segment, &len, buf);
55 p = memchr(buf, 0, len);
57 return n + (p - buf);
73 u_char buf[17]; local
79 buf[0] = 0xff;
83 ret = ROMFS_MTD_READ(sb, pos, segment, &len, buf);
87 if (memcmp(buf, st
27 romfs_mtd_read(struct super_block *sb, unsigned long pos, void *buf, size_t buflen) argument
107 romfs_blk_read(struct super_block *sb, unsigned long pos, void *buf, size_t buflen) argument
141 u_char *buf, *p; local
218 romfs_dev_read(struct super_block *sb, unsigned long pos, void *buf, size_t buflen) argument
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/fs/xfs/libxfs/
H A Dxfs_symlink_remote.c181 char *buf; local
198 buf = bp->b_addr;
199 buf += xfs_symlink_hdr_set(mp, ip->i_ino, 0, ifp->if_bytes, bp);
200 memcpy(buf, ifp->if_u1.if_data, ifp->if_bytes);
/fs/afs/
H A Dmntpt.c57 char *buf; local
75 buf = kmap(page);
79 _debug("symlink to %*.*s", (int) size, (int) size, buf);
82 (buf[0] == '%' || buf[0] == '#') &&
83 buf[size - 1] == '.'
187 char *buf; local
203 buf = kmap_atomic(page);
204 memcpy(devname, buf, size);
205 kunmap_atomic(buf);
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/fs/
H A Dbinfmt_som.c108 int *buf = (int *)som_ex; local
127 ck ^= buf[i];
193 som_ex = (struct som_hdr *) bprm->buf;

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