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(WRITE, bh);  in ocfs2_write_block()
84 	wait_on_buffer(bh);  in ocfs2_write_block()
86 	if (buffer_uptodate(bh)) {  in ocfs2_write_block()
87 		ocfs2_set_buffer_uptodate(ci, bh);  in ocfs2_write_block()
109 	struct buffer_head *bh;  in ocfs2_read_blocks_sync()  local
131 		bh = bhs[i];  in ocfs2_read_blocks_sync()
133 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
135 					(unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
139 		if (buffer_dirty(bh)) {  in ocfs2_read_blocks_sync()
145 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
149 		lock_buffer(bh);  in ocfs2_read_blocks_sync()
150 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
154 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
158 		get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks_sync()
159 		bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks_sync()
160 		submit_bh(READ, bh);  in ocfs2_read_blocks_sync()
165 		bh = bhs[i - 1];  in ocfs2_read_blocks_sync()
168 			if (new_bh && bh) {  in ocfs2_read_blocks_sync()
173 				if (!buffer_jbd(bh))  in ocfs2_read_blocks_sync()
174 					wait_on_buffer(bh);  in ocfs2_read_blocks_sync()
175 				put_bh(bh);  in ocfs2_read_blocks_sync()
177 			} else if (bh && buffer_uptodate(bh)) {  in ocfs2_read_blocks_sync()
178 				clear_buffer_uptodate(bh);  in ocfs2_read_blocks_sync()
184 		if (!buffer_jbd(bh))  in ocfs2_read_blocks_sync()
185 			wait_on_buffer(bh);  in ocfs2_read_blocks_sync()
187 		if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks_sync()
206 				      struct buffer_head *bh))  in ocfs2_read_blocks()  argument
210 	struct buffer_head *bh;  in ocfs2_read_blocks()  local
255 		bh = bhs[i];  in ocfs2_read_blocks()
282 		if (!ignore_cache && !ocfs2_buffer_uptodate(ci, bh)) {  in ocfs2_read_blocks()
284 			     (unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
291 		trace_ocfs2_read_blocks_bh((unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
292 			ignore_cache, buffer_jbd(bh), buffer_dirty(bh));  in ocfs2_read_blocks()
294 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
299 			if (buffer_dirty(bh)) {  in ocfs2_read_blocks()
310 			    && ocfs2_buffer_read_ahead(ci, bh))  in ocfs2_read_blocks()
313 			lock_buffer(bh);  in ocfs2_read_blocks()
314 			if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
318 				     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks()
321 				unlock_buffer(bh);  in ocfs2_read_blocks()
332 			    && ocfs2_buffer_uptodate(ci, bh)) {  in ocfs2_read_blocks()
333 				unlock_buffer(bh);  in ocfs2_read_blocks()
337 			get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks()
339 				set_buffer_needs_validate(bh);  in ocfs2_read_blocks()
340 			bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks()
341 			submit_bh(READ, bh);  in ocfs2_read_blocks()
348 		bh = bhs[i];  in ocfs2_read_blocks()
355 				if (new_bh && bh) {  in ocfs2_read_blocks()
360 					if (!buffer_jbd(bh))  in ocfs2_read_blocks()
361 						wait_on_buffer(bh);  in ocfs2_read_blocks()
362 					put_bh(bh);  in ocfs2_read_blocks()
364 				} else if (bh && buffer_uptodate(bh)) {  in ocfs2_read_blocks()
365 					clear_buffer_uptodate(bh);  in ocfs2_read_blocks()
372 			if (!buffer_jbd(bh))  in ocfs2_read_blocks()
373 				wait_on_buffer(bh);  in ocfs2_read_blocks()
375 			if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks()
383 				clear_buffer_needs_validate(bh);  in ocfs2_read_blocks()
387 			if (buffer_needs_validate(bh)) {  in ocfs2_read_blocks()
391 				BUG_ON(buffer_jbd(bh));  in ocfs2_read_blocks()
392 				clear_buffer_needs_validate(bh);  in ocfs2_read_blocks()
393 				status = validate(sb, bh);  in ocfs2_read_blocks()
402 		ocfs2_set_buffer_uptodate(ci, bh);  in ocfs2_read_blocks()
439 				struct buffer_head *bh)  in ocfs2_write_super_or_backup()  argument
442 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;  in ocfs2_write_super_or_backup()
444 	BUG_ON(buffer_jbd(bh));  in ocfs2_write_super_or_backup()
445 	ocfs2_check_super_or_backup(osb->sb, bh->b_blocknr);  in ocfs2_write_super_or_backup()
453 	lock_buffer(bh);  in ocfs2_write_super_or_backup()
454 	set_buffer_uptodate(bh);  in ocfs2_write_super_or_backup()
457 	clear_buffer_dirty(bh);  in ocfs2_write_super_or_backup()
459 	get_bh(bh); /* for end_buffer_write_sync() */  in ocfs2_write_super_or_backup()
460 	bh->b_end_io = end_buffer_write_sync;  in ocfs2_write_super_or_backup()
461 	ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check);  in ocfs2_write_super_or_backup()
462 	submit_bh(WRITE, bh);  in ocfs2_write_super_or_backup()
464 	wait_on_buffer(bh);  in ocfs2_write_super_or_backup()
466 	if (!buffer_uptodate(bh)) {  in ocfs2_write_super_or_backup()