Use iomap infrastructure for zeroing blocks when in DAX mode.
ext4_iomap_begin() handles read requests just fine and that's all that
is needed for iomap_zero_range().
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext4/inode.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 83e8411370d3..df017ce3e52d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3849,8 +3849,10 @@ static int ext4_block_zero_page_range(handle_t *handle,
if (length > max || length < 0)
length = max;
- if (IS_DAX(inode))
- return dax_zero_page_range(inode, from, length, ext4_get_block);
+ if (IS_DAX(inode)) {
+ return iomap_zero_range(inode, from, length, NULL,
+ &ext4_iomap_ops);
+ }
return __ext4_block_zero_page_range(handle, mapping, from, length);
}
--
2.6.6
--
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