[PATCH 24/29] xfs: use xfs_direct_write_iomap_ops for DAX zeroing

Christoph Hellwig
2021-11-09T08:34:09Z

While the buffered write iomap ops do work due to the fact that zeroing
never allocates blocks, the DAX zeroing should use the direct ops just
like actual DAX I/O.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/xfs_iomap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 8cef3b68cba78..704292c6ce0c7 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -1324,7 +1324,7 @@ xfs_zero_range(

if (IS_DAX(inode))
return dax_zero_range(inode, pos, len, did_zero,
- &xfs_buffered_write_iomap_ops);
+ &xfs_direct_write_iomap_ops);
return iomap_zero_range(inode, pos, len, did_zero,
&xfs_buffered_write_iomap_ops);
}
@@ -1339,7 +1339,7 @@ xfs_truncate_page(

if (IS_DAX(inode))
return dax_truncate_page(inode, pos, did_zero,
- &xfs_buffered_write_iomap_ops);
+ &xfs_direct_write_iomap_ops);
return iomap_truncate_page(inode, pos, did_zero,
&xfs_buffered_write_iomap_ops);
}
--
2.30.2