Lines Matching refs:bh
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()
85 __brelse(bh); in release_buffer_page()
92 __brelse(bh); in release_buffer_page()
95 static void jbd2_commit_block_csum_set(journal_t *j, struct buffer_head *bh) in jbd2_commit_block_csum_set() argument
103 h = (struct commit_header *)(bh->b_data); in jbd2_commit_block_csum_set()
107 csum = jbd2_chksum(j, j->j_csum_seed, bh->b_data, j->j_blocksize); in jbd2_commit_block_csum_set()
125 struct buffer_head *bh; in journal_submit_commit_record() local
134 bh = jbd2_journal_get_descriptor_buffer(commit_transaction, in journal_submit_commit_record()
136 if (!bh) in journal_submit_commit_record()
139 tmp = (struct commit_header *)bh->b_data; in journal_submit_commit_record()
148 jbd2_commit_block_csum_set(journal, bh); in journal_submit_commit_record()
150 BUFFER_TRACE(bh, "submit commit block"); in journal_submit_commit_record()
151 lock_buffer(bh); in journal_submit_commit_record()
152 clear_buffer_dirty(bh); in journal_submit_commit_record()
153 set_buffer_uptodate(bh); in journal_submit_commit_record()
154 bh->b_end_io = journal_end_buffer_io_sync; in journal_submit_commit_record()
158 ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC | WRITE_FLUSH_FUA, bh); in journal_submit_commit_record()
160 ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh); in journal_submit_commit_record()
162 *cbh = bh; in journal_submit_commit_record()
171 struct buffer_head *bh) in journal_wait_on_commit_record() argument
175 clear_buffer_dirty(bh); in journal_wait_on_commit_record()
176 wait_on_buffer(bh); in journal_wait_on_commit_record()
178 if (unlikely(!buffer_uptodate(bh))) in journal_wait_on_commit_record()
180 put_bh(bh); /* One for getblk() */ in journal_wait_on_commit_record()
301 static __u32 jbd2_checksum_data(__u32 crc32_sum, struct buffer_head *bh) in jbd2_checksum_data() argument
303 struct page *page = bh->b_page; in jbd2_checksum_data()
309 (void *)(addr + offset_in_page(bh->b_data)), bh->b_size); in jbd2_checksum_data()
324 struct buffer_head *bh, __u32 sequence) in jbd2_block_tag_csum_set() argument
327 struct page *page = bh->b_page; in jbd2_block_tag_csum_set()
338 csum32 = jbd2_chksum(j, csum32, addr + offset_in_page(bh->b_data), in jbd2_block_tag_csum_set()
339 bh->b_size); in jbd2_block_tag_csum_set()
479 struct buffer_head *bh = jh2bh(jh); in jbd2_journal_commit_transaction() local
481 jbd_lock_bh_state(bh); in jbd2_journal_commit_transaction()
482 jbd2_free(jh->b_committed_data, bh->b_size); in jbd2_journal_commit_transaction()
484 jbd_unlock_bh_state(bh); in jbd2_journal_commit_transaction()
707 struct buffer_head *bh = wbuf[i]; in jbd2_journal_commit_transaction() local
713 jbd2_checksum_data(crc32_sum, bh); in jbd2_journal_commit_transaction()
716 lock_buffer(bh); in jbd2_journal_commit_transaction()
717 clear_buffer_dirty(bh); in jbd2_journal_commit_transaction()
718 set_buffer_uptodate(bh); in jbd2_journal_commit_transaction()
719 bh->b_end_io = journal_end_buffer_io_sync; in jbd2_journal_commit_transaction()
720 submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh); in jbd2_journal_commit_transaction()
800 struct buffer_head *bh = list_entry(io_bufs.prev, in jbd2_journal_commit_transaction() local
804 wait_on_buffer(bh); in jbd2_journal_commit_transaction()
807 if (unlikely(!buffer_uptodate(bh))) in jbd2_journal_commit_transaction()
809 jbd2_unfile_log_bh(bh); in jbd2_journal_commit_transaction()
815 BUFFER_TRACE(bh, "dumping temporary bh"); in jbd2_journal_commit_transaction()
816 __brelse(bh); in jbd2_journal_commit_transaction()
817 J_ASSERT_BH(bh, atomic_read(&bh->b_count) == 0); in jbd2_journal_commit_transaction()
818 free_buffer_head(bh); in jbd2_journal_commit_transaction()
822 bh = jh2bh(jh); in jbd2_journal_commit_transaction()
823 clear_buffer_jwrite(bh); in jbd2_journal_commit_transaction()
824 J_ASSERT_BH(bh, buffer_jbddirty(bh)); in jbd2_journal_commit_transaction()
825 J_ASSERT_BH(bh, !buffer_shadow(bh)); in jbd2_journal_commit_transaction()
834 __brelse(bh); in jbd2_journal_commit_transaction()
843 struct buffer_head *bh; in jbd2_journal_commit_transaction() local
845 bh = list_entry(log_bufs.prev, struct buffer_head, b_assoc_buffers); in jbd2_journal_commit_transaction()
846 wait_on_buffer(bh); in jbd2_journal_commit_transaction()
849 if (unlikely(!buffer_uptodate(bh))) in jbd2_journal_commit_transaction()
852 BUFFER_TRACE(bh, "ph5: control buffer writeout done: unfile"); in jbd2_journal_commit_transaction()
853 clear_buffer_jwrite(bh); in jbd2_journal_commit_transaction()
854 jbd2_unfile_log_bh(bh); in jbd2_journal_commit_transaction()
855 __brelse(bh); /* One for getblk */ in jbd2_journal_commit_transaction()
912 struct buffer_head *bh; in jbd2_journal_commit_transaction() local
917 bh = jh2bh(jh); in jbd2_journal_commit_transaction()
922 get_bh(bh); in jbd2_journal_commit_transaction()
923 jbd_lock_bh_state(bh); in jbd2_journal_commit_transaction()
940 jbd2_free(jh->b_committed_data, bh->b_size); in jbd2_journal_commit_transaction()
948 jbd2_free(jh->b_frozen_data, bh->b_size); in jbd2_journal_commit_transaction()
971 if (buffer_freed(bh)) { in jbd2_journal_commit_transaction()
989 clear_buffer_freed(bh); in jbd2_journal_commit_transaction()
990 clear_buffer_jbddirty(bh); in jbd2_journal_commit_transaction()
991 clear_buffer_mapped(bh); in jbd2_journal_commit_transaction()
992 clear_buffer_new(bh); in jbd2_journal_commit_transaction()
993 clear_buffer_req(bh); in jbd2_journal_commit_transaction()
994 bh->b_bdev = NULL; in jbd2_journal_commit_transaction()
998 if (buffer_jbddirty(bh)) { in jbd2_journal_commit_transaction()
1002 clear_buffer_jbddirty(bh); in jbd2_journal_commit_transaction()
1004 J_ASSERT_BH(bh, !buffer_dirty(bh)); in jbd2_journal_commit_transaction()
1019 jbd_unlock_bh_state(bh); in jbd2_journal_commit_transaction()
1021 release_buffer_page(bh); /* Drops bh reference */ in jbd2_journal_commit_transaction()
1023 __brelse(bh); in jbd2_journal_commit_transaction()