54 int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,  in ocfs2_write_block()  argument
60 		   (unsigned long long)bh->b_blocknr, inode);  in ocfs2_write_block()
62 	BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO);  in ocfs2_write_block()
63 	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(WRITE, 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(inode, bh);  in ocfs2_write_block()
94 		put_bh(bh);  in ocfs2_write_block()
108 	struct buffer_head *bh;  in ocfs2_read_blocks_sync()  local
124 		bh = bhs[i];  in ocfs2_read_blocks_sync()
126 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
130 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
134 		if (buffer_dirty(bh)) {  in ocfs2_read_blocks_sync()
140 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
144 		lock_buffer(bh);  in ocfs2_read_blocks_sync()
145 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks_sync()
149 			     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks_sync()
153 		clear_buffer_uptodate(bh);  in ocfs2_read_blocks_sync()
154 		get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks_sync()
155 		bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks_sync()
156 		submit_bh(READ, bh);  in ocfs2_read_blocks_sync()
160 		bh = bhs[i - 1];  in ocfs2_read_blocks_sync()
163 		if (!buffer_jbd(bh))  in ocfs2_read_blocks_sync()
164 			wait_on_buffer(bh);  in ocfs2_read_blocks_sync()
166 		if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks_sync()
171 			put_bh(bh);  in ocfs2_read_blocks_sync()
183 				      struct buffer_head *bh))  in ocfs2_read_blocks()  argument
187 	struct buffer_head *bh;  in ocfs2_read_blocks()  local
226 		bh = bhs[i];  in ocfs2_read_blocks()
253 		if (!ignore_cache && !ocfs2_buffer_uptodate(inode, bh)) {  in ocfs2_read_blocks()
256 			     (unsigned long long)bh->b_blocknr,  in ocfs2_read_blocks()
263 		if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
267 				     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks()
272 			if (buffer_dirty(bh)) {  in ocfs2_read_blocks()
277 				     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks()
286 			    && ocfs2_buffer_read_ahead(inode, bh))  in ocfs2_read_blocks()
289 			lock_buffer(bh);  in ocfs2_read_blocks()
290 			if (buffer_jbd(bh)) {  in ocfs2_read_blocks()
294 				     (unsigned long long)bh->b_blocknr);  in ocfs2_read_blocks()
297 				unlock_buffer(bh);  in ocfs2_read_blocks()
308 			    && ocfs2_buffer_uptodate(inode, bh)) {  in ocfs2_read_blocks()
309 				unlock_buffer(bh);  in ocfs2_read_blocks()
313 			clear_buffer_uptodate(bh);  in ocfs2_read_blocks()
314 			get_bh(bh); /* for end_buffer_read_sync() */  in ocfs2_read_blocks()
316 				set_buffer_needs_validate(bh);  in ocfs2_read_blocks()
317 			bh->b_end_io = end_buffer_read_sync;  in ocfs2_read_blocks()
318 			submit_bh(READ, bh);  in ocfs2_read_blocks()
326 		bh = bhs[i];  in ocfs2_read_blocks()
332 			if (!buffer_jbd(bh))  in ocfs2_read_blocks()
333 				wait_on_buffer(bh);  in ocfs2_read_blocks()
335 			if (!buffer_uptodate(bh)) {  in ocfs2_read_blocks()
343 				put_bh(bh);  in ocfs2_read_blocks()
348 			if (buffer_needs_validate(bh)) {  in ocfs2_read_blocks()
352 				BUG_ON(buffer_jbd(bh));  in ocfs2_read_blocks()
353 				clear_buffer_needs_validate(bh);  in ocfs2_read_blocks()
354 				status = validate(inode->i_sb, bh);  in ocfs2_read_blocks()
356 					put_bh(bh);  in ocfs2_read_blocks()
366 		ocfs2_set_buffer_uptodate(inode, bh);  in ocfs2_read_blocks()
406 				struct buffer_head *bh)  in ocfs2_write_super_or_backup()  argument
412 	BUG_ON(buffer_jbd(bh));  in ocfs2_write_super_or_backup()
413 	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 	submit_bh(WRITE, bh);  in ocfs2_write_super_or_backup()
430 	wait_on_buffer(bh);  in ocfs2_write_super_or_backup()
432 	if (!buffer_uptodate(bh)) {  in ocfs2_write_super_or_backup()
434 		put_bh(bh);  in ocfs2_write_super_or_backup()