Lines Matching refs:bh
32 static void journal_end_buffer_io_sync(struct buffer_head *bh, int uptodate) in journal_end_buffer_io_sync() argument
34 struct buffer_head *orig_bh = bh->b_private; in journal_end_buffer_io_sync()
36 BUFFER_TRACE(bh, ""); in journal_end_buffer_io_sync()
38 set_buffer_uptodate(bh); in journal_end_buffer_io_sync()
40 clear_buffer_uptodate(bh); in journal_end_buffer_io_sync()
46 unlock_buffer(bh); in journal_end_buffer_io_sync()
63 static void release_buffer_page(struct buffer_head *bh) in release_buffer_page() argument
67 if (buffer_dirty(bh)) in release_buffer_page()
69 if (atomic_read(&bh->b_count) != 1) in release_buffer_page()
71 page = bh->b_page; in release_buffer_page()
82 __brelse(bh); in release_buffer_page()
89 __brelse(bh); in release_buffer_page()
92 static void jbd2_commit_block_csum_set(journal_t *j, struct buffer_head *bh) in jbd2_commit_block_csum_set() argument
100 h = (struct commit_header *)(bh->b_data); in jbd2_commit_block_csum_set()
104 csum = jbd2_chksum(j, j->j_csum_seed, bh->b_data, j->j_blocksize); in jbd2_commit_block_csum_set()
122 struct buffer_head *bh; in journal_submit_commit_record() local
131 bh = jbd2_journal_get_descriptor_buffer(commit_transaction, in journal_submit_commit_record()
133 if (!bh) in journal_submit_commit_record()
136 tmp = (struct commit_header *)bh->b_data; in journal_submit_commit_record()
146 jbd2_commit_block_csum_set(journal, bh); in journal_submit_commit_record()
148 BUFFER_TRACE(bh, "submit commit block"); in journal_submit_commit_record()
149 lock_buffer(bh); in journal_submit_commit_record()
150 clear_buffer_dirty(bh); in journal_submit_commit_record()
151 set_buffer_uptodate(bh); in journal_submit_commit_record()
152 bh->b_end_io = journal_end_buffer_io_sync; in journal_submit_commit_record()
157 REQ_SYNC | REQ_PREFLUSH | REQ_FUA, bh); in journal_submit_commit_record()
159 ret = submit_bh(REQ_OP_WRITE, REQ_SYNC, bh); in journal_submit_commit_record()
161 *cbh = bh; in journal_submit_commit_record()
170 struct buffer_head *bh) in journal_wait_on_commit_record() argument
174 clear_buffer_dirty(bh); in journal_wait_on_commit_record()
175 wait_on_buffer(bh); in journal_wait_on_commit_record()
177 if (unlikely(!buffer_uptodate(bh))) in journal_wait_on_commit_record()
179 put_bh(bh); /* One for getblk() */ in journal_wait_on_commit_record()
329 static __u32 jbd2_checksum_data(__u32 crc32_sum, struct buffer_head *bh) in jbd2_checksum_data() argument
331 struct page *page = bh->b_page; in jbd2_checksum_data()
337 (void *)(addr + offset_in_page(bh->b_data)), bh->b_size); in jbd2_checksum_data()
352 struct buffer_head *bh, __u32 sequence) in jbd2_block_tag_csum_set() argument
355 struct page *page = bh->b_page; in jbd2_block_tag_csum_set()
366 csum32 = jbd2_chksum(j, csum32, addr + offset_in_page(bh->b_data), in jbd2_block_tag_csum_set()
367 bh->b_size); in jbd2_block_tag_csum_set()
533 struct buffer_head *bh = jh2bh(jh); in jbd2_journal_commit_transaction() local
536 jbd2_free(jh->b_committed_data, bh->b_size); in jbd2_journal_commit_transaction()
762 struct buffer_head *bh = wbuf[i]; in jbd2_journal_commit_transaction() local
768 jbd2_checksum_data(crc32_sum, bh); in jbd2_journal_commit_transaction()
771 lock_buffer(bh); in jbd2_journal_commit_transaction()
772 clear_buffer_dirty(bh); in jbd2_journal_commit_transaction()
773 set_buffer_uptodate(bh); in jbd2_journal_commit_transaction()
774 bh->b_end_io = journal_end_buffer_io_sync; in jbd2_journal_commit_transaction()
775 submit_bh(REQ_OP_WRITE, REQ_SYNC, bh); in jbd2_journal_commit_transaction()
854 struct buffer_head *bh = list_entry(io_bufs.prev, in jbd2_journal_commit_transaction() local
858 wait_on_buffer(bh); in jbd2_journal_commit_transaction()
861 if (unlikely(!buffer_uptodate(bh))) in jbd2_journal_commit_transaction()
863 jbd2_unfile_log_bh(bh); in jbd2_journal_commit_transaction()
870 BUFFER_TRACE(bh, "dumping temporary bh"); in jbd2_journal_commit_transaction()
871 __brelse(bh); in jbd2_journal_commit_transaction()
872 J_ASSERT_BH(bh, atomic_read(&bh->b_count) == 0); in jbd2_journal_commit_transaction()
873 free_buffer_head(bh); in jbd2_journal_commit_transaction()
877 bh = jh2bh(jh); in jbd2_journal_commit_transaction()
878 clear_buffer_jwrite(bh); in jbd2_journal_commit_transaction()
879 J_ASSERT_BH(bh, buffer_jbddirty(bh)); in jbd2_journal_commit_transaction()
880 J_ASSERT_BH(bh, !buffer_shadow(bh)); in jbd2_journal_commit_transaction()
889 __brelse(bh); in jbd2_journal_commit_transaction()
898 struct buffer_head *bh; in jbd2_journal_commit_transaction() local
900 bh = list_entry(log_bufs.prev, struct buffer_head, b_assoc_buffers); in jbd2_journal_commit_transaction()
901 wait_on_buffer(bh); in jbd2_journal_commit_transaction()
904 if (unlikely(!buffer_uptodate(bh))) in jbd2_journal_commit_transaction()
907 BUFFER_TRACE(bh, "ph5: control buffer writeout done: unfile"); in jbd2_journal_commit_transaction()
908 clear_buffer_jwrite(bh); in jbd2_journal_commit_transaction()
909 jbd2_unfile_log_bh(bh); in jbd2_journal_commit_transaction()
911 __brelse(bh); /* One for getblk */ in jbd2_journal_commit_transaction()
972 struct buffer_head *bh; in jbd2_journal_commit_transaction() local
978 bh = jh2bh(jh); in jbd2_journal_commit_transaction()
983 get_bh(bh); in jbd2_journal_commit_transaction()
1001 jbd2_free(jh->b_committed_data, bh->b_size); in jbd2_journal_commit_transaction()
1009 jbd2_free(jh->b_frozen_data, bh->b_size); in jbd2_journal_commit_transaction()
1037 if (buffer_freed(bh) && !jh->b_next_transaction) { in jbd2_journal_commit_transaction()
1040 clear_buffer_freed(bh); in jbd2_journal_commit_transaction()
1041 clear_buffer_jbddirty(bh); in jbd2_journal_commit_transaction()
1055 mapping = READ_ONCE(bh->b_page->mapping); in jbd2_journal_commit_transaction()
1057 clear_buffer_mapped(bh); in jbd2_journal_commit_transaction()
1058 clear_buffer_new(bh); in jbd2_journal_commit_transaction()
1059 clear_buffer_req(bh); in jbd2_journal_commit_transaction()
1060 bh->b_bdev = NULL; in jbd2_journal_commit_transaction()
1064 if (buffer_jbddirty(bh)) { in jbd2_journal_commit_transaction()
1068 clear_buffer_jbddirty(bh); in jbd2_journal_commit_transaction()
1070 J_ASSERT_BH(bh, !buffer_dirty(bh)); in jbd2_journal_commit_transaction()
1089 release_buffer_page(bh); /* Drops bh reference */ in jbd2_journal_commit_transaction()
1091 __brelse(bh); in jbd2_journal_commit_transaction()