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authorChengguang Xu <[email protected]>2018-02-07 10:27:06 +0800
committerIlya Dryomov <[email protected]>2018-04-02 10:12:45 +0200
commit7ae7a828d9ac249b175f1b6d1c21c77720cd6098 (patch)
treeb5fdf45a4e66c18ce7bfc6a946a06725e702418a
parent4c069a5821ddc568e9509f49fcc9481c8a43712f (diff)
ceph: keep consistent semantic in fscache related option combination
When specifying multiple fscache related options, the result isn't always the same as option order, this fix will keep strict consistent meaning by order. Signed-off-by: Chengguang Xu <[email protected]> Reviewed-by: "Yan, Zheng" <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]>
-rw-r--r--fs/ceph/super.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index fb32379cd42c..ca8a830c07ad 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -314,9 +314,13 @@ static int parse_fsopt_token(char *c, void *private)
break;
case Opt_fscache:
fsopt->flags |= CEPH_MOUNT_OPT_FSCACHE;
+ kfree(fsopt->fscache_uniq);
+ fsopt->fscache_uniq = NULL;
break;
case Opt_nofscache:
fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
+ kfree(fsopt->fscache_uniq);
+ fsopt->fscache_uniq = NULL;
break;
case Opt_poolperm:
fsopt->flags &= ~CEPH_MOUNT_OPT_NOPOOLPERM;