505 	struct buffer_head		*bh;  in __read_extent_tree_block()  local
508 	bh = sb_getblk_gfp(inode->i_sb, pblk, __GFP_MOVABLE | GFP_NOFS);  in __read_extent_tree_block()
509 	if (unlikely(!bh))  in __read_extent_tree_block()
512 	if (!bh_uptodate_or_lock(bh)) {  in __read_extent_tree_block()
514 		err = bh_submit_read(bh);  in __read_extent_tree_block()
518 	if (buffer_verified(bh) && !(flags & EXT4_EX_FORCE_CACHE))  in __read_extent_tree_block()
519 		return bh;  in __read_extent_tree_block()
521 			       ext_block_hdr(bh), depth, pblk);  in __read_extent_tree_block()
524 	set_buffer_verified(bh);  in __read_extent_tree_block()
529 		struct ext4_extent_header *eh = ext_block_hdr(bh);  in __read_extent_tree_block()
551 	return bh;  in __read_extent_tree_block()
553 	put_bh(bh);  in __read_extent_tree_block()
570 	struct buffer_head *bh;  in ext4_ext_precache()  local
606 		bh = read_extent_tree_block(inode,  in ext4_ext_precache()
610 		if (IS_ERR(bh)) {  in ext4_ext_precache()
611 			ret = PTR_ERR(bh);  in ext4_ext_precache()
615 		path[i].p_bh = bh;  in ext4_ext_precache()
616 		path[i].p_hdr = ext_block_hdr(bh);  in ext4_ext_precache()
864 	struct buffer_head *bh;  in ext4_find_extent()  local
901 		bh = read_extent_tree_block(inode, path[ppos].p_block, --i,  in ext4_find_extent()
903 		if (IS_ERR(bh)) {  in ext4_find_extent()
904 			ret = PTR_ERR(bh);  in ext4_find_extent()
908 		eh = ext_block_hdr(bh);  in ext4_find_extent()
911 			put_bh(bh);  in ext4_find_extent()
917 		path[ppos].p_bh = bh;  in ext4_find_extent()
1029 	struct buffer_head *bh = NULL;  in ext4_ext_split()  local
1093 	bh = sb_getblk_gfp(inode->i_sb, newblock, __GFP_MOVABLE | GFP_NOFS);  in ext4_ext_split()
1094 	if (unlikely(!bh)) {  in ext4_ext_split()
1098 	lock_buffer(bh);  in ext4_ext_split()
1100 	err = ext4_journal_get_create_access(handle, bh);  in ext4_ext_split()
1104 	neh = ext_block_hdr(bh);  in ext4_ext_split()
1130 	set_buffer_uptodate(bh);  in ext4_ext_split()
1131 	unlock_buffer(bh);  in ext4_ext_split()
1133 	err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_ext_split()
1136 	brelse(bh);  in ext4_ext_split()
1137 	bh = NULL;  in ext4_ext_split()
1166 		bh = sb_getblk(inode->i_sb, newblock);  in ext4_ext_split()
1167 		if (unlikely(!bh)) {  in ext4_ext_split()
1171 		lock_buffer(bh);  in ext4_ext_split()
1173 		err = ext4_journal_get_create_access(handle, bh);  in ext4_ext_split()
1177 		neh = ext_block_hdr(bh);  in ext4_ext_split()
1209 		set_buffer_uptodate(bh);  in ext4_ext_split()
1210 		unlock_buffer(bh);  in ext4_ext_split()
1212 		err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_ext_split()
1215 		brelse(bh);  in ext4_ext_split()
1216 		bh = NULL;  in ext4_ext_split()
1237 	if (bh) {  in ext4_ext_split()
1238 		if (buffer_locked(bh))  in ext4_ext_split()
1239 			unlock_buffer(bh);  in ext4_ext_split()
1240 		brelse(bh);  in ext4_ext_split()
1269 	struct buffer_head *bh;  in ext4_ext_grow_indepth()  local
1287 	bh = sb_getblk_gfp(inode->i_sb, newblock, __GFP_MOVABLE | GFP_NOFS);  in ext4_ext_grow_indepth()
1288 	if (unlikely(!bh))  in ext4_ext_grow_indepth()
1290 	lock_buffer(bh);  in ext4_ext_grow_indepth()
1292 	err = ext4_journal_get_create_access(handle, bh);  in ext4_ext_grow_indepth()
1294 		unlock_buffer(bh);  in ext4_ext_grow_indepth()
1299 	memmove(bh->b_data, EXT4_I(inode)->i_data,  in ext4_ext_grow_indepth()
1303 	neh = ext_block_hdr(bh);  in ext4_ext_grow_indepth()
1312 	set_buffer_uptodate(bh);  in ext4_ext_grow_indepth()
1313 	unlock_buffer(bh);  in ext4_ext_grow_indepth()
1315 	err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_ext_grow_indepth()
1337 	brelse(bh);  in ext4_ext_grow_indepth()
1489 	struct buffer_head *bh = NULL;  in ext4_ext_search_right()  local
1563 		bh = read_extent_tree_block(inode, block,  in ext4_ext_search_right()
1565 		if (IS_ERR(bh))  in ext4_ext_search_right()
1566 			return PTR_ERR(bh);  in ext4_ext_search_right()
1567 		eh = ext_block_hdr(bh);  in ext4_ext_search_right()
1570 		put_bh(bh);  in ext4_ext_search_right()
1573 	bh = read_extent_tree_block(inode, block, path->p_depth - depth, 0);  in ext4_ext_search_right()
1574 	if (IS_ERR(bh))  in ext4_ext_search_right()
1575 		return PTR_ERR(bh);  in ext4_ext_search_right()
1576 	eh = ext_block_hdr(bh);  in ext4_ext_search_right()
1582 	if (bh)  in ext4_ext_search_right()
1583 		put_bh(bh);  in ext4_ext_search_right()
2965 			struct buffer_head *bh;  in ext4_ext_remove_space()  local
2970 			bh = read_extent_tree_block(inode,  in ext4_ext_remove_space()
2973 			if (IS_ERR(bh)) {  in ext4_ext_remove_space()
2975 				err = PTR_ERR(bh);  in ext4_ext_remove_space()
2985 			path[i + 1].p_bh = bh;  in ext4_ext_remove_space()
5153 		physical = (__u64)iloc.bh->b_blocknr << blockbits;  in ext4_xattr_fiemap()
5159 		brelse(iloc.bh);  in ext4_xattr_fiemap()