| /fs/ |
| D | buffer.c | 49 static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
55 void init_buffer(struct buffer_head *bh, bh_end_io_t *handler, void *private) in init_buffer() argument
57 bh->b_end_io = handler; in init_buffer()
58 bh->b_private = private; in init_buffer()
62 inline void touch_buffer(struct buffer_head *bh) in touch_buffer() argument
64 trace_block_touch_buffer(bh); in touch_buffer()
65 mark_page_accessed(bh->b_page); 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
[all …]
|
| /fs/ocfs2/ |
| D | buffer_head_io.c | 53 int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, in ocfs2_write_block() argument
58 trace_ocfs2_write_block((unsigned long long)bh->b_blocknr, ci); in ocfs2_write_block()
60 BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO); in ocfs2_write_block()
61 BUG_ON(buffer_jbd(bh)); in ocfs2_write_block()
74 lock_buffer(bh); in ocfs2_write_block()
75 set_buffer_uptodate(bh); in ocfs2_write_block()
78 clear_buffer_dirty(bh); in ocfs2_write_block()
80 get_bh(bh); /* for end_buffer_write_sync() */ in ocfs2_write_block()
81 bh->b_end_io = end_buffer_write_sync; in ocfs2_write_block()
82 submit_bh(REQ_OP_WRITE, 0, bh); in ocfs2_write_block()
[all …]
|
| /fs/gfs2/ |
| D | meta_io.c | 38 struct buffer_head *bh, *head; in gfs2_aspace_writepage() local
47 bh = head; in gfs2_aspace_writepage()
50 if (!buffer_mapped(bh)) in gfs2_aspace_writepage()
60 lock_buffer(bh); in gfs2_aspace_writepage()
61 } else if (!trylock_buffer(bh)) { in gfs2_aspace_writepage()
65 if (test_clear_buffer_dirty(bh)) { in gfs2_aspace_writepage()
66 mark_buffer_async_write(bh); in gfs2_aspace_writepage()
68 unlock_buffer(bh); in gfs2_aspace_writepage()
70 } while ((bh = bh->b_this_page) != head); in gfs2_aspace_writepage()
80 struct buffer_head *next = bh->b_this_page; in gfs2_aspace_writepage()
[all …]
|
| /fs/hpfs/ |
| D | buffer.c | 39 struct buffer_head *bh; in hpfs_prefetch_sectors() local
48 bh = sb_find_get_block(s, secno); in hpfs_prefetch_sectors()
49 if (bh) { in hpfs_prefetch_sectors()
50 if (buffer_uptodate(bh)) { in hpfs_prefetch_sectors()
51 brelse(bh); in hpfs_prefetch_sectors()
54 brelse(bh); in hpfs_prefetch_sectors()
73 struct buffer_head *bh; in hpfs_map_sector() local
81 *bhp = bh = sb_bread(s, hpfs_search_hotfix_map(s, secno)); in hpfs_map_sector()
82 if (bh != NULL) in hpfs_map_sector()
83 return bh->b_data; in hpfs_map_sector()
[all …]
|
| D | anode.c | 15 struct buffer_head *bh) in hpfs_bplus_lookup() argument
27 brelse(bh); in hpfs_bplus_lookup()
28 if (!(anode = hpfs_map_anode(s, a, &bh))) return -1; in hpfs_bplus_lookup()
33 brelse(bh); in hpfs_bplus_lookup()
41 brelse(bh); in hpfs_bplus_lookup()
50 brelse(bh); in hpfs_bplus_lookup()
54 brelse(bh); in hpfs_bplus_lookup()
67 struct buffer_head *bh, *bh1, *bh2; in hpfs_add_sector_to_btree() local
72 if (!(fnode = hpfs_map_fnode(s, node, &bh))) return -1; in hpfs_add_sector_to_btree()
75 if (!(anode = hpfs_map_anode(s, node, &bh))) return -1; in hpfs_add_sector_to_btree()
[all …]
|
| /fs/affs/ |
| D | file.c | 50 struct buffer_head *bh; in affs_grow_extcache() local
99 bh = affs_bread(sb, key); in affs_grow_extcache()
100 if (!bh) in affs_grow_extcache()
102 key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_grow_extcache()
103 affs_brelse(bh); in affs_grow_extcache()
117 affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext) in affs_alloc_extblock() argument
123 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
141 tmp = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_alloc_extblock()
144 AFFS_TAIL(sb, bh)->extension = cpu_to_be32(blocknr); in affs_alloc_extblock()
145 affs_adjust_checksum(bh, blocknr - tmp); in affs_alloc_extblock()
[all …]
|
| D | amigaffs.c | 24 affs_insert_hash(struct inode *dir, struct buffer_head *bh) in affs_insert_hash() argument
31 ino = bh->b_blocknr; in affs_insert_hash()
32 offset = affs_hash_name(sb, AFFS_TAIL(sb, bh)->name + 1, AFFS_TAIL(sb, bh)->name[0]); in affs_insert_hash()
48 AFFS_TAIL(sb, bh)->parent = cpu_to_be32(dir->i_ino); in affs_insert_hash()
49 AFFS_TAIL(sb, bh)->hash_chain = 0; in affs_insert_hash()
50 affs_fix_checksum(sb, bh); in affs_insert_hash()
76 struct buffer_head *bh; in affs_remove_hash() local
87 bh = affs_bread(sb, dir->i_ino); in affs_remove_hash()
88 if (!bh) in affs_remove_hash()
92 hash_ino = be32_to_cpu(AFFS_HEAD(bh)->table[offset]); in affs_remove_hash()
[all …]
|
| D | affs.h | 18 #define AFFS_BLOCK(sb, bh, blk) (AFFS_HEAD(bh)->table[AFFS_SB(sb)->s_hashsize-1-(blk)]) argument
20 #define AFFS_HEAD(bh) ((struct affs_head *)(bh)->b_data) argument
21 #define AFFS_TAIL(sb, bh) ((struct affs_tail *)((bh)->b_data+(sb)->s_blocksize-sizeof(struct affs_t… argument
22 #define AFFS_ROOT_HEAD(bh) ((struct affs_root_head *)(bh)->b_data) argument
23 #define AFFS_ROOT_TAIL(sb, bh) ((struct affs_root_tail *)((bh)->b_data+(sb)->s_blocksize-sizeof(str… argument
24 #define AFFS_DATA_HEAD(bh) ((struct affs_data_head *)(bh)->b_data) argument
25 #define AFFS_DATA(bh) (((struct affs_data_head *)(bh)->b_data)->data) argument
136 extern int affs_insert_hash(struct inode *inode, struct buffer_head *bh);
139 extern u32 affs_checksum_block(struct super_block *sb, struct buffer_head *bh);
140 extern void affs_fix_checksum(struct super_block *sb, struct buffer_head *bh);
[all …]
|
| /fs/nilfs2/ |
| D | gcinode.c | 71 struct buffer_head *bh; in nilfs_gccache_submit_read_data() local
74 bh = nilfs_grab_buffer(inode, inode->i_mapping, blkoff, 0); in nilfs_gccache_submit_read_data()
75 if (unlikely(!bh)) in nilfs_gccache_submit_read_data()
78 if (buffer_uptodate(bh)) in nilfs_gccache_submit_read_data()
86 brelse(bh); in nilfs_gccache_submit_read_data()
91 lock_buffer(bh); in nilfs_gccache_submit_read_data()
92 if (buffer_uptodate(bh)) { in nilfs_gccache_submit_read_data()
93 unlock_buffer(bh); in nilfs_gccache_submit_read_data()
97 if (!buffer_mapped(bh)) { in nilfs_gccache_submit_read_data()
98 bh->b_bdev = inode->i_sb->s_bdev; in nilfs_gccache_submit_read_data()
[all …]
|
| D | btnode.c | 42 struct buffer_head *bh; in nilfs_btnode_create_block() local
44 bh = nilfs_grab_buffer(inode, btnc, blocknr, BIT(BH_NILFS_Node)); in nilfs_btnode_create_block()
45 if (unlikely(!bh)) in nilfs_btnode_create_block()
48 if (unlikely(buffer_mapped(bh) || buffer_uptodate(bh) || in nilfs_btnode_create_block()
49 buffer_dirty(bh))) { in nilfs_btnode_create_block()
50 brelse(bh); in nilfs_btnode_create_block()
53 memset(bh->b_data, 0, i_blocksize(inode)); in nilfs_btnode_create_block()
54 bh->b_bdev = inode->i_sb->s_bdev; in nilfs_btnode_create_block()
55 bh->b_blocknr = blocknr; in nilfs_btnode_create_block()
56 set_buffer_mapped(bh); in nilfs_btnode_create_block()
[all …]
|
| D | page.c | 43 struct buffer_head *bh; in __nilfs_get_page_block() local
49 bh = nilfs_page_get_nth_block(page, block - first_block); in __nilfs_get_page_block()
51 touch_buffer(bh); in __nilfs_get_page_block()
52 wait_on_buffer(bh); in __nilfs_get_page_block()
53 return bh; in __nilfs_get_page_block()
64 struct buffer_head *bh; in nilfs_grab_buffer() local
70 bh = __nilfs_get_page_block(page, blkoff, index, blkbits, b_state); in nilfs_grab_buffer()
71 if (unlikely(!bh)) { in nilfs_grab_buffer()
76 return bh; in nilfs_grab_buffer()
84 void nilfs_forget_buffer(struct buffer_head *bh) in nilfs_forget_buffer() argument
[all …]
|
| D | mdt.c | 40 struct buffer_head *bh, in nilfs_mdt_insert_new_block() argument
51 bh->b_blocknr = 0; in nilfs_mdt_insert_new_block()
53 ret = nilfs_bmap_insert(ii->i_bmap, block, (unsigned long)bh); in nilfs_mdt_insert_new_block()
57 set_buffer_mapped(bh); in nilfs_mdt_insert_new_block()
59 kaddr = kmap_atomic(bh->b_page); in nilfs_mdt_insert_new_block()
60 memset(kaddr + bh_offset(bh), 0, i_blocksize(inode)); in nilfs_mdt_insert_new_block()
62 init_block(inode, bh, kaddr); in nilfs_mdt_insert_new_block()
63 flush_dcache_page(bh->b_page); in nilfs_mdt_insert_new_block()
66 set_buffer_uptodate(bh); in nilfs_mdt_insert_new_block()
67 mark_buffer_dirty(bh); in nilfs_mdt_insert_new_block()
[all …]
|
| /fs/omfs/ |
| D | dir.c | 38 struct buffer_head *bh; in omfs_scan_list() local
44 bh = omfs_bread(dir->i_sb, block); in omfs_scan_list()
45 if (!bh) { in omfs_scan_list()
50 oi = (struct omfs_inode *) bh->b_data; in omfs_scan_list()
52 brelse(bh); in omfs_scan_list()
57 return bh; in omfs_scan_list()
61 brelse(bh); in omfs_scan_list()
70 struct buffer_head *bh; in omfs_find_entry() local
74 bh = omfs_get_bucket(dir, name, namelen, &ofs); in omfs_find_entry()
75 if (!bh) in omfs_find_entry()
[all …]
|
| /fs/ext2/ |
| D | xattr.c | 67 #define HDR(bh) ((struct ext2_xattr_header *)((bh)->b_data)) argument
69 #define FIRST_ENTRY(bh) ENTRY(HDR(bh)+1) argument
79 # define ea_bdebug(bh, f...) do { \ argument
81 bh->b_bdev, (unsigned long) bh->b_blocknr); \
148 struct buffer_head *bh = NULL; in ext2_xattr_get() local
169 bh = sb_bread(inode->i_sb, EXT2_I(inode)->i_file_acl); in ext2_xattr_get()
171 if (!bh) in ext2_xattr_get()
173 ea_bdebug(bh, "b_count=%d, refcount=%d", in ext2_xattr_get()
174 atomic_read(&(bh->b_count)), le32_to_cpu(HDR(bh)->h_refcount)); in ext2_xattr_get()
175 end = bh->b_data + bh->b_size; in ext2_xattr_get()
[all …]
|
| /fs/reiserfs/ |
| D | prints.c | 134 static void sprintf_block_head(char *buf, struct buffer_head *bh) in sprintf_block_head() argument
137 B_LEVEL(bh), B_NR_ITEMS(bh), B_FREE_SPACE(bh)); in sprintf_block_head()
140 static void sprintf_buffer_head(char *buf, struct buffer_head *bh) in sprintf_buffer_head() argument
144 bh->b_bdev, bh->b_size, in sprintf_buffer_head()
145 (unsigned long long)bh->b_blocknr, atomic_read(&(bh->b_count)), in sprintf_buffer_head()
146 bh->b_state, bh->b_page, in sprintf_buffer_head()
147 buffer_uptodate(bh) ? "UPTODATE" : "!UPTODATE", in sprintf_buffer_head()
148 buffer_dirty(bh) ? "DIRTY" : "CLEAN", in sprintf_buffer_head()
149 buffer_locked(bh) ? "LOCKED" : "UNLOCKED"); in sprintf_buffer_head()
421 static int print_internal(struct buffer_head *bh, int first, int last) in print_internal() argument
[all …]
|
| /fs/jbd2/ |
| D | commit.c | 35 static void journal_end_buffer_io_sync(struct buffer_head *bh, int uptodate) in journal_end_buffer_io_sync() argument
37 struct buffer_head *orig_bh = bh->b_private; in journal_end_buffer_io_sync()
39 BUFFER_TRACE(bh, ""); in journal_end_buffer_io_sync()
41 set_buffer_uptodate(bh); in journal_end_buffer_io_sync()
43 clear_buffer_uptodate(bh); in journal_end_buffer_io_sync()
49 unlock_buffer(bh); in journal_end_buffer_io_sync()
66 static void release_buffer_page(struct buffer_head *bh) in release_buffer_page() argument
70 if (buffer_dirty(bh)) in release_buffer_page()
72 if (atomic_read(&bh->b_count) != 1) in release_buffer_page()
74 page = bh->b_page; in release_buffer_page()
[all …]
|
| D | transaction.c | 769 static void warn_dirty_buffer(struct buffer_head *bh) in warn_dirty_buffer() argument
775 bh->b_bdev, (unsigned long long)bh->b_blocknr); in warn_dirty_buffer()
784 struct buffer_head *bh = jh2bh(jh); in jbd2_freeze_jh_data() local
786 J_EXPECT_JH(jh, buffer_uptodate(bh), "Possible IO failure.\n"); in jbd2_freeze_jh_data()
787 page = bh->b_page; in jbd2_freeze_jh_data()
788 offset = offset_in_page(bh->b_data); in jbd2_freeze_jh_data()
792 memcpy(jh->b_frozen_data, source + offset, bh->b_size); in jbd2_freeze_jh_data()
816 struct buffer_head *bh; in do_get_write_access() local
831 bh = jh2bh(jh); in do_get_write_access()
836 lock_buffer(bh); in do_get_write_access()
[all …]
|
| /fs/ext4/ |
| D | mmp.c | 41 static int write_mmp_block(struct super_block *sb, struct buffer_head *bh) in write_mmp_block() argument
43 struct mmp_struct *mmp = (struct mmp_struct *)(bh->b_data); in write_mmp_block()
51 mark_buffer_dirty(bh); in write_mmp_block()
52 lock_buffer(bh); in write_mmp_block()
53 bh->b_end_io = end_buffer_write_sync; in write_mmp_block()
54 get_bh(bh); in write_mmp_block()
55 submit_bh(REQ_OP_WRITE, WRITE_SYNC | REQ_META | REQ_PRIO, bh); in write_mmp_block()
56 wait_on_buffer(bh); in write_mmp_block()
58 if (unlikely(!buffer_uptodate(bh))) in write_mmp_block()
68 static int read_mmp_block(struct super_block *sb, struct buffer_head **bh, in read_mmp_block() argument
[all …]
|
| D | ext4_jbd2.c | 133 struct buffer_head *bh, in ext4_journal_abort_handle() argument
141 if (bh) in ext4_journal_abort_handle()
142 BUFFER_TRACE(bh, "abort"); in ext4_journal_abort_handle()
157 handle_t *handle, struct buffer_head *bh) in __ext4_journal_get_write_access() argument
164 err = jbd2_journal_get_write_access(handle, bh); in __ext4_journal_get_write_access()
166 ext4_journal_abort_handle(where, line, __func__, bh, in __ext4_journal_get_write_access()
186 struct buffer_head *bh, ext4_fsblk_t blocknr) in __ext4_forget() argument
193 BUFFER_TRACE(bh, "enter"); in __ext4_forget()
197 bh, is_metadata, inode->i_mode, in __ext4_forget()
202 bforget(bh); in __ext4_forget()
[all …]
|
| D | indirect.c | 33 struct buffer_head *bh; member
36 static inline void add_chain(Indirect *p, struct buffer_head *bh, __le32 *v) in add_chain() argument
39 p->bh = bh; in add_chain()
149 struct buffer_head *bh; in ext4_get_branch() local
158 bh = sb_getblk(sb, le32_to_cpu(p->key)); in ext4_get_branch()
159 if (unlikely(!bh)) { in ext4_get_branch()
164 if (!bh_uptodate_or_lock(bh)) { in ext4_get_branch()
165 if (bh_submit_read(bh) < 0) { in ext4_get_branch()
166 put_bh(bh); in ext4_get_branch()
170 if (ext4_check_indirect_blockref(inode, bh)) { in ext4_get_branch()
[all …]
|
| D | page-io.c | 54 static void buffer_io_error(struct buffer_head *bh) in buffer_io_error() argument
57 bh->b_bdev, in buffer_io_error()
58 (unsigned long long)bh->b_blocknr); in buffer_io_error()
71 struct buffer_head *bh, *head; in ext4_finish_bio() local
92 bh = head = page_buffers(page); in ext4_finish_bio()
100 if (bh_offset(bh) < bio_start || in ext4_finish_bio()
101 bh_offset(bh) + bh->b_size > bio_end) { in ext4_finish_bio()
102 if (buffer_async_write(bh)) in ext4_finish_bio()
106 clear_buffer_async_write(bh); in ext4_finish_bio()
108 buffer_io_error(bh); in ext4_finish_bio()
[all …]
|
| /fs/minix/ |
| D | itree_common.c | 6 struct buffer_head *bh; member
11 static inline void add_chain(Indirect *p, struct buffer_head *bh, block_t *v) in add_chain() argument
14 p->bh = bh; in add_chain()
24 static inline block_t *block_end(struct buffer_head *bh) in block_end() argument
26 return (block_t *)((char*)bh->b_data + bh->b_size); in block_end()
37 struct buffer_head *bh; in get_branch() local
45 bh = sb_bread(sb, block_to_cpu(p->key)); in get_branch()
46 if (!bh) in get_branch()
51 add_chain(++p, bh, (block_t *)bh->b_data + *++offsets); in get_branch()
60 brelse(bh); in get_branch()
[all …]
|
| D | bitmap.c | 45 struct buffer_head *bh; in minix_free_block() local
60 bh = sbi->s_zmap[zone]; in minix_free_block()
62 if (!minix_test_and_clear_bit(bit, bh->b_data)) in minix_free_block()
66 mark_buffer_dirty(bh); in minix_free_block()
77 struct buffer_head *bh = sbi->s_zmap[i]; in minix_new_block() local
81 j = minix_find_first_zero_bit(bh->b_data, bits_per_zone); in minix_new_block()
83 minix_set_bit(j, bh->b_data); in minix_new_block()
85 mark_buffer_dirty(bh); in minix_new_block()
106 minix_V1_raw_inode(struct super_block *sb, ino_t ino, struct buffer_head **bh) in minix_V1_raw_inode() argument
120 *bh = sb_bread(sb, block); in minix_V1_raw_inode()
[all …]
|
| /fs/ntfs/ |
| D | aops.c | 58 static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate) in ntfs_end_buffer_async_read() argument
67 page = bh->b_page; in ntfs_end_buffer_async_read()
75 set_buffer_uptodate(bh); in ntfs_end_buffer_async_read()
78 bh_offset(bh); in ntfs_end_buffer_async_read()
88 if (unlikely(file_ofs + bh->b_size > init_size)) { in ntfs_end_buffer_async_read()
97 memset(kaddr + bh_offset(bh) + ofs, 0, in ntfs_end_buffer_async_read()
98 bh->b_size - ofs); in ntfs_end_buffer_async_read()
104 clear_buffer_uptodate(bh); in ntfs_end_buffer_async_read()
107 "0x%llx.", (unsigned long long)bh->b_blocknr); in ntfs_end_buffer_async_read()
112 clear_buffer_async_read(bh); in ntfs_end_buffer_async_read()
[all …]
|
| /fs/squashfs/ |
| D | block.c | 70 struct buffer_head **bh; member
75 struct buffer_head **bh; member
99 kfree(req->bh); in free_read_request()
109 struct buffer_head **bh = req->bh; in squashfs_process_blocks() local
113 if (!bh[i]) in squashfs_process_blocks()
115 wait_on_buffer(bh[i]); in squashfs_process_blocks()
116 if (!buffer_uptodate(bh[i])) in squashfs_process_blocks()
126 (bh[0]->b_data + req->offset)); in squashfs_process_blocks()
128 length = (unsigned char)bh[0]->b_data[req->offset]; in squashfs_process_blocks()
129 length |= (unsigned char)bh[1]->b_data[0] << 8; in squashfs_process_blocks()
[all …]
|