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ceph: keep consistent semantic in fscache related option combination

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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 <cgxu519@icloud.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Chengguang Xu 2018-02-07 10:27:06 +08:00 committed by Ilya Dryomov
parent 4c069a5821
commit 7ae7a828d9
1 changed files with 4 additions and 0 deletions
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4
fs/ceph/super.c
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@ -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;