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Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r--fs/xfs/xfs_ioctl.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index a82470e027f7..6c3919687ea6 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1121,23 +1121,25 @@ xfs_ioctl_setattr_xflags(
struct fileattr *fa)
{
struct xfs_mount *mp = ip->i_mount;
+ bool rtflag = (fa->fsx_xflags & FS_XFLAG_REALTIME);
uint64_t i_flags2;
- /* Can't change realtime flag if any extents are allocated. */
- if ((ip->i_df.if_nextents || ip->i_delayed_blks) &&
- XFS_IS_REALTIME_INODE(ip) != (fa->fsx_xflags & FS_XFLAG_REALTIME))
- return -EINVAL;
+ if (rtflag != XFS_IS_REALTIME_INODE(ip)) {
+ /* Can't change realtime flag if any extents are allocated. */
+ if (ip->i_df.if_nextents || ip->i_delayed_blks)
+ return -EINVAL;
+ }
- /* If realtime flag is set then must have realtime device */
- if (fa->fsx_xflags & FS_XFLAG_REALTIME) {
+ if (rtflag) {
+ /* If realtime flag is set then must have realtime device */
if (mp->m_sb.sb_rblocks == 0 || mp->m_sb.sb_rextsize == 0 ||
xfs_extlen_to_rtxmod(mp, ip->i_extsize))
return -EINVAL;
- }
- /* Clear reflink if we are actually able to set the rt flag. */
- if ((fa->fsx_xflags & FS_XFLAG_REALTIME) && xfs_is_reflink_inode(ip))
- ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;
+ /* Clear reflink if we are actually able to set the rt flag. */
+ if (xfs_is_reflink_inode(ip))
+ ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;
+ }
/* diflags2 only valid for v3 inodes. */
i_flags2 = xfs_flags2diflags2(ip, fa->fsx_xflags);
@@ -1148,6 +1150,14 @@ xfs_ioctl_setattr_xflags(
ip->i_diflags2 = i_flags2;
xfs_diflags_to_iflags(ip, false);
+
+ /*
+ * Make the stable writes flag match that of the device the inode
+ * resides on when flipping the RT flag.
+ */
+ if (rtflag != XFS_IS_REALTIME_INODE(ip) && S_ISREG(VFS_I(ip)->i_mode))
+ xfs_update_stable_writes(ip);
+
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
XFS_STATS_INC(mp, xs_ig_attrchg);