Merge branch 'for-5.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis...

[thirdparty/linux.git] / fs / xfs / xfs_discard.c

diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index 93f07edafd8183a14ca55fae7ffdfad0370ccc89..9ee2a7d02e7059f29c103da1088b7c854ca023bb 100644 (file)
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -161,6 +161,14 @@ xfs_ioc_trim(
                return -EPERM;
        if (!blk_queue_discard(q))
                return -EOPNOTSUPP;
+
+       /*
+        * We haven't recovered the log, so we cannot use our bnobt-guided
+        * storage zapping commands.
+        */
+       if (mp->m_flags & XFS_MOUNT_NORECOVERY)
+               return -EROFS;
+
        if (copy_from_user(&range, urange, sizeof(range)))
                return -EFAULT;