Use unmap_underlying_metadata_ext() instead of iterating through blocks
one by one.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext2/inode.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index d831e24dc885..335cd1e1f902 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -732,16 +732,13 @@ static int ext2_get_blocks(struct inode *inode,
}
if (IS_DAX(inode)) {
- int i;
-
/*
* We must unmap blocks before zeroing so that writeback cannot
* overwrite zeros with stale data from block device page cache.
*/
- for (i = 0; i < count; i++) {
- unmap_underlying_metadata(inode->i_sb->s_bdev,
- le32_to_cpu(chain[depth-1].key) + i);
- }
+ unmap_underlying_metadata_ext(inode->i_sb->s_bdev,
+ le32_to_cpu(chain[depth-1].key),
+ count);
/*
* block must be initialised before we put it in the tree
* so that it's not found by another thread before it's
--
2.6.6
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