54 int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,  in ocfs2_write_block()  argument
59 	trace_ocfs2_write_block((unsigned long long)bh->b_blocknr, ci);  in ocfs2_write_block()
61 	BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO);  in ocfs2_write_block()
62 	BUG_ON(buffer_jbd(bh));  in ocfs2_write_block()
75 	lock_buffer(bh);  in ocfs2_write_block()
76 	set_buffer_uptodate(bh);  in ocfs2_write_block()
79 	clear_buffer_dirty(bh);  in ocfs2_write_block()
81 	get_bh(bh); /* for end_buffer_write_sync() */  in ocfs2_write_block()
82 	bh->b_end_io = end_buffer_write_sync;  in ocfs2_write_block()
83 	submit_bh(REQ_OP_WRITE, 0, bh);  in ocfs2_write_block()
85 	wait_on_buffer(bh);  in ocfs2_write_block()
87 	if (buffer_uptodate(bh)) {  in ocfs2_write_block()
88 		ocfs2_set_buffer_uptodate(ci, bh);  in ocfs2_write_block()
107 	struct buffer_head *bh;  in ocfs2_read_blocks_sync()  local
123 		bh = bhs[i];  in ocfs2_read_blocks_sync()
125 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
127 					(unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
131 		if (buffer_dirty(bh)) {  in ocfs2_read_blocks_sync()
137 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
141 		lock_buffer(bh);  in ocfs2_read_blocks_sync()
142 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
147 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
150 			unlock_buffer(bh);  in ocfs2_read_blocks_sync()
155 		clear_buffer_uptodate(bh);  in ocfs2_read_blocks_sync()
156 		get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks_sync()
157 		bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks_sync()
158 		submit_bh(REQ_OP_READ, 0, bh);  in ocfs2_read_blocks_sync()
162 		bh = bhs[i - 1];  in ocfs2_read_blocks_sync()
165 		if (!buffer_jbd(bh))  in ocfs2_read_blocks_sync()
166 			wait_on_buffer(bh);  in ocfs2_read_blocks_sync()
168 		if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks_sync()
173 			put_bh(bh);  in ocfs2_read_blocks_sync()
185 				      struct buffer_head *bh))  in ocfs2_read_blocks()  argument
189 	struct buffer_head *bh;  in ocfs2_read_blocks()  local
227 		bh = bhs[i];  in ocfs2_read_blocks()
254 		if (!ignore_cache && !ocfs2_buffer_uptodate(ci, bh)) {  in ocfs2_read_blocks()
256 			     (unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
263 		trace_ocfs2_read_blocks_bh((unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
264 			ignore_cache, buffer_jbd(bh), buffer_dirty(bh));  in ocfs2_read_blocks()
266 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
271 			if (buffer_dirty(bh)) {  in ocfs2_read_blocks()
282 			    && ocfs2_buffer_read_ahead(ci, bh))  in ocfs2_read_blocks()
285 			lock_buffer(bh);  in ocfs2_read_blocks()
286 			if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
290 				     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks()
293 				unlock_buffer(bh);  in ocfs2_read_blocks()
304 			    && ocfs2_buffer_uptodate(ci, bh)) {  in ocfs2_read_blocks()
305 				unlock_buffer(bh);  in ocfs2_read_blocks()
309 			clear_buffer_uptodate(bh);  in ocfs2_read_blocks()
310 			get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks()
312 				set_buffer_needs_validate(bh);  in ocfs2_read_blocks()
313 			bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks()
314 			submit_bh(REQ_OP_READ, 0, bh);  in ocfs2_read_blocks()
322 		bh = bhs[i];  in ocfs2_read_blocks()
327 				put_bh(bh);  in ocfs2_read_blocks()
334 			if (!buffer_jbd(bh))  in ocfs2_read_blocks()
335 				wait_on_buffer(bh);  in ocfs2_read_blocks()
337 			if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks()
345 				clear_buffer_needs_validate(bh);  in ocfs2_read_blocks()
346 				put_bh(bh);  in ocfs2_read_blocks()
351 			if (buffer_needs_validate(bh)) {  in ocfs2_read_blocks()
355 				BUG_ON(buffer_jbd(bh));  in ocfs2_read_blocks()
356 				clear_buffer_needs_validate(bh);  in ocfs2_read_blocks()
357 				status = validate(sb, bh);  in ocfs2_read_blocks()
359 					put_bh(bh);  in ocfs2_read_blocks()
369 		ocfs2_set_buffer_uptodate(ci, bh);  in ocfs2_read_blocks()
406 				struct buffer_head *bh)  in ocfs2_write_super_or_backup()  argument
409 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;  in ocfs2_write_super_or_backup()
411 	BUG_ON(buffer_jbd(bh));  in ocfs2_write_super_or_backup()
412 	ocfs2_check_super_or_backup(osb->sb, bh->b_blocknr);  in ocfs2_write_super_or_backup()
420 	lock_buffer(bh);  in ocfs2_write_super_or_backup()
421 	set_buffer_uptodate(bh);  in ocfs2_write_super_or_backup()
424 	clear_buffer_dirty(bh);  in ocfs2_write_super_or_backup()
426 	get_bh(bh); /* for end_buffer_write_sync() */  in ocfs2_write_super_or_backup()
427 	bh->b_end_io = end_buffer_write_sync;  in ocfs2_write_super_or_backup()
428 	ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check);  in ocfs2_write_super_or_backup()
429 	submit_bh(REQ_OP_WRITE, 0, bh);  in ocfs2_write_super_or_backup()
431 	wait_on_buffer(bh);  in ocfs2_write_super_or_backup()
433 	if (!buffer_uptodate(bh)) {  in ocfs2_write_super_or_backup()