Home
last modified time | relevance | path

Searched refs:bh (Results 1 – 25 of 213) sorted by relevance

123456789

/linux/fs/
H A Dbuffer.c57 static void submit_bh_wbc(blk_opf_t opf, struct buffer_head *bh,
62 inline void touch_buffer(struct buffer_head *bh) in touch_buffer() argument
64 trace_block_touch_buffer(bh); in touch_buffer()
65 folio_mark_accessed(bh->b_folio); in touch_buffer()
69 void __lock_buffer(struct buffer_head *bh) in __lock_buffer() argument
71 wait_on_bit_lock_io(&bh->b_state, BH_Lock, TASK_UNINTERRUPTIBLE); in __lock_buffer()
75 void unlock_buffer(struct buffer_head *bh) in unlock_buffer() argument
77 clear_bit_unlock(BH_Lock, &bh->b_state); in unlock_buffer()
79 wake_up_bit(&bh->b_state, BH_Lock); in unlock_buffer()
91 struct buffer_head *head, *bh; in buffer_check_dirty_writeback() local
[all …]
/linux/fs/ocfs2/
H A Dbuffer_head_io.c38 int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, in ocfs2_write_block() argument
43 trace_ocfs2_write_block((unsigned long long)bh->b_blocknr, ci); in ocfs2_write_block()
45 BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO); in ocfs2_write_block()
46 BUG_ON(buffer_jbd(bh)); in ocfs2_write_block()
59 lock_buffer(bh); in ocfs2_write_block()
60 set_buffer_uptodate(bh); in ocfs2_write_block()
63 clear_buffer_dirty(bh); in ocfs2_write_block()
65 get_bh(bh); /* for end_buffer_write_sync() */ in ocfs2_write_block()
66 bh->b_end_io = end_buffer_write_sync; in ocfs2_write_block()
67 submit_bh(REQ_OP_WRITE, bh); in ocfs2_write_block()
[all …]
/linux/fs/hpfs/
H A Dbuffer.c40 struct buffer_head *bh; in hpfs_prefetch_sectors() local
49 bh = sb_find_get_block(s, secno); in hpfs_prefetch_sectors()
50 if (bh) { in hpfs_prefetch_sectors()
51 if (buffer_uptodate(bh)) { in hpfs_prefetch_sectors()
52 brelse(bh); in hpfs_prefetch_sectors()
55 brelse(bh); in hpfs_prefetch_sectors()
74 struct buffer_head *bh; in hpfs_map_sector() local
82 *bhp = bh = sb_bread(s, hpfs_search_hotfix_map(s, secno)); in hpfs_map_sector()
83 if (bh != NULL) in hpfs_map_sector()
84 return bh->b_data; in hpfs_map_sector()
[all …]
H A Danode.c16 struct buffer_head *bh) in hpfs_bplus_lookup() argument
28 brelse(bh); in hpfs_bplus_lookup()
29 if (!(anode = hpfs_map_anode(s, a, &bh))) return -1; in hpfs_bplus_lookup()
34 brelse(bh); in hpfs_bplus_lookup()
42 brelse(bh); in hpfs_bplus_lookup()
51 brelse(bh); in hpfs_bplus_lookup()
55 brelse(bh); in hpfs_bplus_lookup()
68 struct buffer_head *bh, *bh1, *bh2; in hpfs_add_sector_to_btree() local
74 if (!(fnode = hpfs_map_fnode(s, node, &bh))) return -1; in hpfs_add_sector_to_btree()
77 if (!(anode = hpfs_map_anode(s, node, &bh))) return -1; in hpfs_add_sector_to_btree()
[all …]
/linux/include/linux/
H A Dbuffer_head.h49 typedef void (bh_end_io_t)(struct buffer_head *bh, int uptodate);
91 static __always_inline void set_buffer_##name(struct buffer_head *bh) \
93 if (!test_bit(BH_##bit, &(bh)->b_state)) \
94 set_bit(BH_##bit, &(bh)->b_state); \
96 static __always_inline void clear_buffer_##name(struct buffer_head *bh) \
98 clear_bit(BH_##bit, &(bh)->b_state); \
100 static __always_inline int buffer_##name(const struct buffer_head *bh) \
102 return test_bit(BH_##bit, &(bh)->b_state); \
109 static __always_inline int test_set_buffer_##name(struct buffer_head *bh) \
111 return test_and_set_bit(BH_##bit, &(bh)->b_state); \
[all …]
/linux/fs/nilfs2/
H A Dpage.c34 struct buffer_head *bh = folio_buffers(folio); in __nilfs_get_folio_block() local
36 if (!bh) in __nilfs_get_folio_block()
37 bh = create_empty_buffers(folio, 1 << blkbits, b_state); in __nilfs_get_folio_block()
40 bh = get_nth_bh(bh, block - first_block); in __nilfs_get_folio_block()
42 wait_on_buffer(bh); in __nilfs_get_folio_block()
43 return bh; in __nilfs_get_folio_block()
54 struct buffer_head *bh; in nilfs_grab_buffer() local
60 bh = __nilfs_get_folio_block(folio, blkoff, index, blkbits, b_state); in nilfs_grab_buffer()
61 if (unlikely(!bh)) { in nilfs_grab_buffer()
66 bh->b_bdev = inode->i_sb->s_bdev; in nilfs_grab_buffer()
[all …]
H A Dgcinode.c59 struct buffer_head *bh; in nilfs_gccache_submit_read_data() local
62 bh = nilfs_grab_buffer(inode, inode->i_mapping, blkoff, 0); in nilfs_gccache_submit_read_data()
63 if (unlikely(!bh)) in nilfs_gccache_submit_read_data()
66 if (buffer_uptodate(bh)) in nilfs_gccache_submit_read_data()
77 lock_buffer(bh); in nilfs_gccache_submit_read_data()
78 if (buffer_uptodate(bh)) { in nilfs_gccache_submit_read_data()
79 unlock_buffer(bh); in nilfs_gccache_submit_read_data()
83 if (!buffer_mapped(bh)) in nilfs_gccache_submit_read_data()
84 set_buffer_mapped(bh); in nilfs_gccache_submit_read_data()
85 bh->b_blocknr = pbn; in nilfs_gccache_submit_read_data()
[all …]
H A Dbtnode.c51 struct buffer_head *bh; in nilfs_btnode_create_block() local
53 bh = nilfs_grab_buffer(inode, btnc, blocknr, BIT(BH_NILFS_Node)); in nilfs_btnode_create_block()
54 if (unlikely(!bh)) in nilfs_btnode_create_block()
57 if (unlikely(buffer_mapped(bh) || buffer_uptodate(bh) || in nilfs_btnode_create_block()
58 buffer_dirty(bh))) { in nilfs_btnode_create_block()
71 memset(bh->b_data, 0, i_blocksize(inode)); in nilfs_btnode_create_block()
72 bh->b_blocknr = blocknr; in nilfs_btnode_create_block()
73 set_buffer_mapped(bh); in nilfs_btnode_create_block()
74 set_buffer_uptodate(bh); in nilfs_btnode_create_block()
76 folio_unlock(bh->b_folio); in nilfs_btnode_create_block()
[all …]
H A Dmdt.c31 struct buffer_head *bh, in nilfs_mdt_insert_new_block() argument
36 struct folio *folio = bh->b_folio; in nilfs_mdt_insert_new_block()
43 bh->b_blocknr = 0; in nilfs_mdt_insert_new_block()
45 ret = nilfs_bmap_insert(ii->i_bmap, block, (unsigned long)bh); in nilfs_mdt_insert_new_block()
49 set_buffer_mapped(bh); in nilfs_mdt_insert_new_block()
52 from = kmap_local_folio(folio, offset_in_folio(folio, bh->b_data)); in nilfs_mdt_insert_new_block()
53 memset(from, 0, bh->b_size); in nilfs_mdt_insert_new_block()
55 init_block(inode, bh, from); in nilfs_mdt_insert_new_block()
60 set_buffer_uptodate(bh); in nilfs_mdt_insert_new_block()
61 mark_buffer_dirty(bh); in nilfs_mdt_insert_new_block()
[all …]
/linux/fs/ext2/
H A Dxattr.c69 #define HDR(bh) ((struct ext2_xattr_header *)((bh)->b_data)) argument
71 #define FIRST_ENTRY(bh) ENTRY(HDR(bh)+1) argument
81 # define ea_bdebug(bh, f...) do { \ argument
83 bh->b_bdev, (unsigned long) bh->b_blocknr); \
89 # define ea_bdebug(bh, f...) no_printk(f) argument
199 struct buffer_head *bh = NULL; in ext2_xattr_get() local
220 bh = sb_bread(inode->i_sb, EXT2_I(inode)->i_file_acl); in ext2_xattr_get()
222 if (!bh) in ext2_xattr_get()
224 ea_bdebug(bh, "b_count=%d, refcount=%d", in ext2_xattr_get()
225 atomic_read(&(bh->b_count)), le32_to_cpu(HDR(bh)->h_refcount)); in ext2_xattr_get()
[all …]
/linux/fs/affs/
H A Dfile.c53 struct buffer_head *bh; in affs_grow_extcache() local
102 bh = affs_bread(sb, key); in affs_grow_extcache()
103 if (!bh) in affs_grow_extcache()
105 key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_grow_extcache()
106 affs_brelse(bh); in affs_grow_extcache()
120 affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext) in affs_alloc_extblock() argument
126 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
144 tmp = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_alloc_extblock()
147 AFFS_TAIL(sb, bh)->extension = cpu_to_be32(blocknr); in affs_alloc_extblock()
148 affs_adjust_checksum(bh, blocknr - tmp); in affs_alloc_extblock()
[all …]
H A Damigaffs.c26 affs_insert_hash(struct inode *dir, struct buffer_head *bh) in affs_insert_hash() argument
33 ino = bh->b_blocknr; in affs_insert_hash()
34 offset = affs_hash_name(sb, AFFS_TAIL(sb, bh)->name + 1, AFFS_TAIL(sb, bh)->name[0]); in affs_insert_hash()
50 AFFS_TAIL(sb, bh)->parent = cpu_to_be32(dir->i_ino); in affs_insert_hash()
51 AFFS_TAIL(sb, bh)->hash_chain = 0; in affs_insert_hash()
52 affs_fix_checksum(sb, bh); in affs_insert_hash()
78 struct buffer_head *bh; in affs_remove_hash() local
89 bh = affs_bread(sb, dir->i_ino); in affs_remove_hash()
90 if (!bh) in affs_remove_hash()
94 hash_ino = be32_to_cpu(AFFS_HEAD(bh)->table[offset]); in affs_remove_hash()
[all …]
H A Dbitmap.c43 struct buffer_head *bh; in affs_free_block() local
59 bh = sbi->s_bmap_bh; in affs_free_block()
61 affs_brelse(bh); in affs_free_block()
62 bh = affs_bread(sb, bm->bm_key); in affs_free_block()
63 if (!bh) in affs_free_block()
65 sbi->s_bmap_bh = bh; in affs_free_block()
70 data = (__be32 *)bh->b_data + bit / 32 + 1; in affs_free_block()
79 tmp = be32_to_cpu(*(__be32 *)bh->b_data); in affs_free_block()
80 *(__be32 *)bh->b_data = cpu_to_be32(tmp - mask); in affs_free_block()
82 mark_buffer_dirty(bh); in affs_free_block()
[all …]
H A Dinode.c21 struct buffer_head *bh; in affs_iget() local
38 bh = affs_bread(sb, block); in affs_iget()
39 if (!bh) { in affs_iget()
43 if (affs_checksum_block(sb, bh) || be32_to_cpu(AFFS_HEAD(bh)->ptype) != T_SHORT) { in affs_iget()
46 AFFS_HEAD(bh)->ptype, block); in affs_iget()
50 tail = AFFS_TAIL(sb, bh); in affs_iget()
144 inode->i_size = strlen((char *)AFFS_HEAD(bh)->table); in affs_iget()
155 affs_brelse(bh); in affs_iget()
160 affs_brelse(bh); in affs_iget()
169 struct buffer_head *bh; in affs_write_inode() local
[all …]
/linux/fs/ext4/
H A Dpage-io.c93 static void buffer_io_error(struct buffer_head *bh) in buffer_io_error() argument
96 bh->b_bdev, in buffer_io_error()
97 (unsigned long long)bh->b_blocknr); in buffer_io_error()
107 struct buffer_head *bh, *head; in ext4_finish_bio() local
122 bh = head = folio_buffers(folio); in ext4_finish_bio()
129 if (bh_offset(bh) < bio_start || in ext4_finish_bio()
130 bh_offset(bh) + bh->b_size > bio_end) { in ext4_finish_bio()
131 if (buffer_async_write(bh)) in ext4_finish_bio()
135 clear_buffer_async_write(bh); in ext4_finish_bio()
137 set_buffer_write_io_error(bh); in ext4_finish_bio()
[all …]
H A Dsymlink.c30 struct buffer_head *bh = NULL; in ext4_encrypted_get_link() local
42 bh = ext4_bread(NULL, inode, 0, 0); in ext4_encrypted_get_link()
43 if (IS_ERR(bh)) in ext4_encrypted_get_link()
44 return ERR_CAST(bh); in ext4_encrypted_get_link()
45 if (!bh) { in ext4_encrypted_get_link()
49 caddr = bh->b_data; in ext4_encrypted_get_link()
54 brelse(bh); in ext4_encrypted_get_link()
68 static void ext4_free_link(void *bh) in ext4_free_link() argument
70 brelse(bh); in ext4_free_link()
76 struct buffer_head *bh; in ext4_get_link() local
[all …]
H A Dindirect.c34 struct buffer_head *bh; member
37 static inline void add_chain(Indirect *p, struct buffer_head *bh, __le32 *v) in add_chain() argument
40 p->bh = bh; in add_chain()
150 struct buffer_head *bh; in ext4_get_branch() local
166 bh = sb_getblk(sb, key); in ext4_get_branch()
167 if (unlikely(!bh)) { in ext4_get_branch()
172 if (!bh_uptodate_or_lock(bh)) { in ext4_get_branch()
173 if (ext4_read_bh(bh, 0, NULL, false) < 0) { in ext4_get_branch()
174 put_bh(bh); in ext4_get_branch()
178 if (ext4_check_indirect_blockref(inode, bh)) { in ext4_get_branch()
[all …]
H A Dext4_jbd2.c186 struct buffer_head *bh, in ext4_journal_abort_handle() argument
194 if (bh) in ext4_journal_abort_handle()
195 BUFFER_TRACE(bh, "abort"); in ext4_journal_abort_handle()
233 struct buffer_head *bh, in __ext4_journal_get_write_access() argument
241 err = jbd2_journal_get_write_access(handle, bh); in __ext4_journal_get_write_access()
243 ext4_journal_abort_handle(where, line, __func__, bh, in __ext4_journal_get_write_access()
253 jbd2_journal_set_triggers(bh, in __ext4_journal_get_write_access()
269 struct buffer_head *bh, ext4_fsblk_t blocknr) in __ext4_forget() argument
276 BUFFER_TRACE(bh, "enter"); in __ext4_forget()
279 bh, is_metadata, inode->i_mode, in __ext4_forget()
[all …]
H A Dmmp.c43 struct buffer_head *bh) in write_mmp_block_thawed() argument
45 struct mmp_struct *mmp = (struct mmp_struct *)(bh->b_data); in write_mmp_block_thawed()
48 lock_buffer(bh); in write_mmp_block_thawed()
49 bh->b_end_io = end_buffer_write_sync; in write_mmp_block_thawed()
50 get_bh(bh); in write_mmp_block_thawed()
51 submit_bh(REQ_OP_WRITE | REQ_SYNC | REQ_META | REQ_PRIO, bh); in write_mmp_block_thawed()
52 wait_on_buffer(bh); in write_mmp_block_thawed()
53 if (unlikely(!buffer_uptodate(bh))) in write_mmp_block_thawed()
58 static int write_mmp_block(struct super_block *sb, struct buffer_head *bh) in write_mmp_block() argument
65 return write_mmp_block_thawed(sb, bh); in write_mmp_block()
[all …]
/linux/fs/minix/
H A Ditree_common.c7 struct buffer_head *bh; member
12 static inline void add_chain(Indirect *p, struct buffer_head *bh, block_t *v) in add_chain() argument
15 p->bh = bh; in add_chain()
25 static inline block_t *block_end(struct buffer_head *bh) in block_end() argument
27 return (block_t *)((char*)bh->b_data + bh->b_size); in block_end()
38 struct buffer_head *bh; in get_branch() local
46 bh = sb_bread(sb, block_to_cpu(p->key)); in get_branch()
47 if (!bh) in get_branch()
52 add_chain(++p, bh, (block_t *)bh->b_data + *++offsets); in get_branch()
61 brelse(bh); in get_branch()
[all …]
H A Dbitmap.c46 struct buffer_head *bh; in minix_free_block() local
61 bh = sbi->s_zmap[zone]; in minix_free_block()
63 if (!minix_test_and_clear_bit(bit, bh->b_data)) in minix_free_block()
67 mark_buffer_dirty(bh); in minix_free_block()
78 struct buffer_head *bh = sbi->s_zmap[i]; in minix_new_block() local
82 j = minix_find_first_zero_bit(bh->b_data, bits_per_zone); in minix_new_block()
84 minix_set_bit(j, bh->b_data); in minix_new_block()
86 mark_buffer_dirty(bh); in minix_new_block()
107 minix_V1_raw_inode(struct super_block *sb, ino_t ino, struct buffer_head **bh) in minix_V1_raw_inode() argument
121 *bh = sb_bread(sb, block); in minix_V1_raw_inode()
[all …]
/linux/fs/qnx4/
H A Dnamei.c27 struct buffer_head *bh, unsigned long *offset) in qnx4_match() argument
33 if (bh == NULL) { in qnx4_match()
37 de = (union qnx4_directory_entry *) (bh->b_data + *offset); in qnx4_match()
54 struct buffer_head *bh; in qnx4_find_entry() local
57 bh = NULL; in qnx4_find_entry()
60 if (!bh) { in qnx4_find_entry()
63 bh = sb_bread(dir->i_sb, block); in qnx4_find_entry()
64 if (!bh) { in qnx4_find_entry()
69 *res_dir = (struct qnx4_inode_entry *) (bh->b_data + offset); in qnx4_find_entry()
70 if (qnx4_match(len, name, bh, &offset)) { in qnx4_find_entry()
[all …]
/linux/fs/gfs2/
H A Ddir.c93 struct buffer_head *bh; in gfs2_dir_get_new_buffer() local
95 bh = gfs2_meta_new(ip->i_gl, block); in gfs2_dir_get_new_buffer()
96 gfs2_trans_add_meta(ip->i_gl, bh); in gfs2_dir_get_new_buffer()
97 gfs2_metatype_set(bh, GFS2_METATYPE_JD, GFS2_FORMAT_JD); in gfs2_dir_get_new_buffer()
98 gfs2_buffer_clear_tail(bh, sizeof(struct gfs2_meta_header)); in gfs2_dir_get_new_buffer()
99 *bhp = bh; in gfs2_dir_get_new_buffer()
106 struct buffer_head *bh; in gfs2_dir_get_existing_buffer() local
109 error = gfs2_meta_read(ip->i_gl, block, DIO_WAIT, 0, &bh); in gfs2_dir_get_existing_buffer()
112 if (gfs2_metatype_check(GFS2_SB(&ip->i_inode), bh, GFS2_METATYPE_JD)) { in gfs2_dir_get_existing_buffer()
113 brelse(bh); in gfs2_dir_get_existing_buffer()
[all …]
/linux/fs/jbd2/
H A Dtransaction.c907 static void warn_dirty_buffer(struct buffer_head *bh) in warn_dirty_buffer() argument
913 bh->b_bdev, (unsigned long long)bh->b_blocknr); in warn_dirty_buffer()
920 struct buffer_head *bh = jh2bh(jh); in jbd2_freeze_jh_data() local
922 J_EXPECT_JH(jh, buffer_uptodate(bh), "Possible IO failure.\n"); in jbd2_freeze_jh_data()
923 source = kmap_local_folio(bh->b_folio, bh_offset(bh)); in jbd2_freeze_jh_data()
926 memcpy(jh->b_frozen_data, source, bh->b_size); in jbd2_freeze_jh_data()
950 struct buffer_head *bh; in do_get_write_access() local
963 bh = jh2bh(jh); in do_get_write_access()
968 lock_buffer(bh); in do_get_write_access()
974 trace_jbd2_lock_buffer_stall(bh->b_bdev->bd_dev, in do_get_write_access()
[all …]
/linux/fs/bfs/
H A Ddir.c32 struct buffer_head *bh; in bfs_readdir() local
47 bh = sb_bread(dir->i_sb, block); in bfs_readdir()
48 if (!bh) { in bfs_readdir()
53 de = (struct bfs_dirent *)(bh->b_data + offset); in bfs_readdir()
59 brelse(bh); in bfs_readdir()
66 brelse(bh); in bfs_readdir()
129 struct buffer_head *bh; in bfs_lookup() local
137 bh = bfs_find_entry(dir, &dentry->d_name, &de); in bfs_lookup()
138 if (bh) { in bfs_lookup()
140 brelse(bh); in bfs_lookup()
[all …]

123456789