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()
106 	struct buffer_head *bh;  in ocfs2_read_blocks_sync()  local
122 		bh = bhs[i];  in ocfs2_read_blocks_sync()
124 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
126 					(unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
130 		if (buffer_dirty(bh)) {  in ocfs2_read_blocks_sync()
136 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
140 		lock_buffer(bh);  in ocfs2_read_blocks_sync()
141 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
145 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
149 		clear_buffer_uptodate(bh);  in ocfs2_read_blocks_sync()
150 		get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks_sync()
151 		bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks_sync()
152 		submit_bh(READ, bh);  in ocfs2_read_blocks_sync()
156 		bh = bhs[i - 1];  in ocfs2_read_blocks_sync()
159 		if (!buffer_jbd(bh))  in ocfs2_read_blocks_sync()
160 			wait_on_buffer(bh);  in ocfs2_read_blocks_sync()
162 		if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks_sync()
167 			put_bh(bh);  in ocfs2_read_blocks_sync()
179 				      struct buffer_head *bh))  in ocfs2_read_blocks()  argument
183 	struct buffer_head *bh;  in ocfs2_read_blocks()  local
221 		bh = bhs[i];  in ocfs2_read_blocks()
248 		if (!ignore_cache && !ocfs2_buffer_uptodate(ci, bh)) {  in ocfs2_read_blocks()
250 			     (unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
257 		trace_ocfs2_read_blocks_bh((unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
258 			ignore_cache, buffer_jbd(bh), buffer_dirty(bh));  in ocfs2_read_blocks()
260 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
265 			if (buffer_dirty(bh)) {  in ocfs2_read_blocks()
276 			    && ocfs2_buffer_read_ahead(ci, bh))  in ocfs2_read_blocks()
279 			lock_buffer(bh);  in ocfs2_read_blocks()
280 			if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
284 				     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks()
287 				unlock_buffer(bh);  in ocfs2_read_blocks()
298 			    && ocfs2_buffer_uptodate(ci, bh)) {  in ocfs2_read_blocks()
299 				unlock_buffer(bh);  in ocfs2_read_blocks()
303 			clear_buffer_uptodate(bh);  in ocfs2_read_blocks()
304 			get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks()
306 				set_buffer_needs_validate(bh);  in ocfs2_read_blocks()
307 			bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks()
308 			submit_bh(READ, bh);  in ocfs2_read_blocks()
316 		bh = bhs[i];  in ocfs2_read_blocks()
322 			if (!buffer_jbd(bh))  in ocfs2_read_blocks()
323 				wait_on_buffer(bh);  in ocfs2_read_blocks()
325 			if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks()
333 				put_bh(bh);  in ocfs2_read_blocks()
338 			if (buffer_needs_validate(bh)) {  in ocfs2_read_blocks()
342 				BUG_ON(buffer_jbd(bh));  in ocfs2_read_blocks()
343 				clear_buffer_needs_validate(bh);  in ocfs2_read_blocks()
344 				status = validate(sb, bh);  in ocfs2_read_blocks()
346 					put_bh(bh);  in ocfs2_read_blocks()
356 		ocfs2_set_buffer_uptodate(ci, bh);  in ocfs2_read_blocks()
393 				struct buffer_head *bh)  in ocfs2_write_super_or_backup()  argument
396 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;  in ocfs2_write_super_or_backup()
398 	BUG_ON(buffer_jbd(bh));  in ocfs2_write_super_or_backup()
399 	ocfs2_check_super_or_backup(osb->sb, bh->b_blocknr);  in ocfs2_write_super_or_backup()
407 	lock_buffer(bh);  in ocfs2_write_super_or_backup()
408 	set_buffer_uptodate(bh);  in ocfs2_write_super_or_backup()
411 	clear_buffer_dirty(bh);  in ocfs2_write_super_or_backup()
413 	get_bh(bh); /* for end_buffer_write_sync() */  in ocfs2_write_super_or_backup()
414 	bh->b_end_io = end_buffer_write_sync;  in ocfs2_write_super_or_backup()
415 	ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check);  in ocfs2_write_super_or_backup()
416 	submit_bh(WRITE, bh);  in ocfs2_write_super_or_backup()
418 	wait_on_buffer(bh);  in ocfs2_write_super_or_backup()
420 	if (!buffer_uptodate(bh)) {  in ocfs2_write_super_or_backup()