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-rw-r--r--fs/xfs/xfs_ioctl.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index a190212ca85d..6f22a66777cd 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1075,13 +1075,18 @@ xfs_merge_ioc_xflags(
xflags |= FS_XFLAG_NODUMP;
else
xflags &= ~FS_XFLAG_NODUMP;
+ if (flags & FS_DAX_FL)
+ xflags |= FS_XFLAG_DAX;
+ else
+ xflags &= ~FS_XFLAG_DAX;
return xflags;
}
STATIC unsigned int
xfs_di2lxflags(
- uint16_t di_flags)
+ uint16_t di_flags,
+ uint64_t di_flags2)
{
unsigned int flags = 0;
@@ -1095,6 +1100,9 @@ xfs_di2lxflags(
flags |= FS_NOATIME_FL;
if (di_flags & XFS_DIFLAG_NODUMP)
flags |= FS_NODUMP_FL;
+ if (di_flags2 & XFS_DIFLAG2_DAX) {
+ flags |= FS_DAX_FL;
+ }
return flags;
}
@@ -1565,7 +1573,7 @@ xfs_ioc_getxflags(
{
unsigned int flags;
- flags = xfs_di2lxflags(ip->i_d.di_flags);
+ flags = xfs_di2lxflags(ip->i_d.di_flags, ip->i_d.di_flags2);
if (copy_to_user(arg, &flags, sizeof(flags)))
return -EFAULT;
return 0;
@@ -1588,7 +1596,7 @@ xfs_ioc_setxflags(
if (flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | \
FS_NOATIME_FL | FS_NODUMP_FL | \
- FS_SYNC_FL))
+ FS_SYNC_FL | FS_DAX_FL))
return -EOPNOTSUPP;
fa.fsx_xflags = xfs_merge_ioc_xflags(flags, xfs_ip2xflags(ip));