The patch titled
Subject: xfs: use dax ops for zero and truncate in fsdax mode
has been added to the -mm mm-unstable branch. Its filename is
xfs-use-dax-ops-for-zero-and-truncate-in-fsdax-mode.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/xfs-use-dax-ops-for-zero-and-truncate-in-fsdax-mode.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>
Subject: xfs: use dax ops for zero and truncate in fsdax mode
Date: Thu, 1 Dec 2022 15:32:10 +0000
Zero and truncate on a dax file may execute CoW. So use dax ops which
contains end work for CoW.
Link: https://lkml.kernel.org/r/1669908730-131-1-git-send-email-ruansy.fnst@xxxxxxxxxxx
Signed-off-by: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/xfs/xfs_iomap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/xfs/xfs_iomap.c~xfs-use-dax-ops-for-zero-and-truncate-in-fsdax-mode
+++ a/fs/xfs/xfs_iomap.c
@@ -1370,7 +1370,7 @@ xfs_zero_range(
if (IS_DAX(inode))
return dax_zero_range(inode, pos, len, did_zero,
- &xfs_direct_write_iomap_ops);
+ &xfs_dax_write_iomap_ops);
return iomap_zero_range(inode, pos, len, did_zero,
&xfs_buffered_write_iomap_ops);
}
@@ -1385,7 +1385,7 @@ xfs_truncate_page(
if (IS_DAX(inode))
return dax_truncate_page(inode, pos, did_zero,
- &xfs_direct_write_iomap_ops);
+ &xfs_dax_write_iomap_ops);
return iomap_truncate_page(inode, pos, did_zero,
&xfs_buffered_write_iomap_ops);
}
_
Patches currently in -mm which might be from ruansy.fnst@xxxxxxxxxxx are
fsdax-introduce-page-share-for-fsdax-in-reflink-mode.patch
fsdax-invalidate-pages-when-cow.patch
fsdax-zero-the-edges-if-source-is-hole-or-unwritten.patch
fsdaxxfs-set-the-shared-flag-when-file-extent-is-shared.patch
fsdax-dedupe-iter-two-files-at-the-same-time.patch
xfs-use-dax-ops-for-zero-and-truncate-in-fsdax-mode.patch
fsdaxxfs-port-unshare-to-fsdax.patch
xfs-remove-restrictions-for-fsdax-and-reflink.patch
