generic/732: don't run it on tmpfs

Like what 4fd042e0465c("generic/732: don't run it on NFS") say, the same
options for tmpfs won't share the same backend. Skip it for tmpfs.

Besides, add some explanation for why we should skip tmpfs.

Signed-off-by: Yang Erkun <yangerkun@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zorro Lang <zlang@kernel.org>

diff --git a/tests/generic/732 b/tests/generic/732
index d8475cdabafecad282f1d1a6f47ebfdc430c198d..d08028c2333d1b336ca630c39327327fac73d2db 100755 (executable)
--- a/tests/generic/732
+++ b/tests/generic/732
@@ -21,7 +21,10 @@ _cleanup()
        rm -r -f $tmp.*
 }
 
-_supported_fs ^nfs ^overlay
+# This case give a assumption that the same mount options for
+# different mount point will share the same superblock, which won't
+# sucess for the follow fs.
+_supported_fs ^nfs ^overlay ^tmpfs
 
 _require_test
 _require_scratch