The patch titled
Subject: xfs: remove restrictions for fsdax and reflink
has been added to the -mm mm-unstable branch. Its filename is
xfs-remove-restrictions-for-fsdax-and-reflink.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/xfs-remove-restrictions-for-fsdax-and-reflink.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: remove restrictions for fsdax and reflink
Date: Thu, 1 Dec 2022 15:32:53 +0000
Since the basic function for fsdax and reflink has been implemented,
remove the restrictions of them for widly test.
Link: https://lkml.kernel.org/r/1669908773-207-1-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_ioctl.c | 4 ----
fs/xfs/xfs_iops.c | 4 ----
2 files changed, 8 deletions(-)
--- a/fs/xfs/xfs_ioctl.c~xfs-remove-restrictions-for-fsdax-and-reflink
+++ a/fs/xfs/xfs_ioctl.c
@@ -1138,10 +1138,6 @@ xfs_ioctl_setattr_xflags(
if ((fa->fsx_xflags & FS_XFLAG_REALTIME) && xfs_is_reflink_inode(ip))
ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;
- /* Don't allow us to set DAX mode for a reflinked file for now. */
- if ((fa->fsx_xflags & FS_XFLAG_DAX) && xfs_is_reflink_inode(ip))
- return -EINVAL;
-
/* diflags2 only valid for v3 inodes. */
i_flags2 = xfs_flags2diflags2(ip, fa->fsx_xflags);
if (i_flags2 && !xfs_has_v3inodes(mp))
--- a/fs/xfs/xfs_iops.c~xfs-remove-restrictions-for-fsdax-and-reflink
+++ a/fs/xfs/xfs_iops.c
@@ -1185,10 +1185,6 @@ xfs_inode_supports_dax(
if (!S_ISREG(VFS_I(ip)->i_mode))
return false;
- /* Only supported on non-reflinked files. */
- if (xfs_is_reflink_inode(ip))
- return false;
-
/* Block size must match page size */
if (mp->m_sb.sb_blocksize != PAGE_SIZE)
return false;
_
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
