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-rw-r--r--fs/ceph/super.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index edfd643a8205..b47f43fc2d68 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -268,6 +268,7 @@ static int parse_fsopt_token(char *c, void *private)
}
break;
case Opt_fscache_uniq:
+#ifdef CONFIG_CEPH_FSCACHE
kfree(fsopt->fscache_uniq);
fsopt->fscache_uniq = kstrndup(argstr[0].from,
argstr[0].to-argstr[0].from,
@@ -276,7 +277,10 @@ static int parse_fsopt_token(char *c, void *private)
return -ENOMEM;
fsopt->flags |= CEPH_MOUNT_OPT_FSCACHE;
break;
- /* misc */
+#else
+ pr_err("fscache support is disabled\n");
+ return -EINVAL;
+#endif
case Opt_wsize:
if (intval < (int)PAGE_SIZE || intval > CEPH_MAX_WRITE_SIZE)
return -EINVAL;
@@ -353,10 +357,15 @@ static int parse_fsopt_token(char *c, void *private)
fsopt->flags &= ~CEPH_MOUNT_OPT_INO32;
break;
case Opt_fscache:
+#ifdef CONFIG_CEPH_FSCACHE
fsopt->flags |= CEPH_MOUNT_OPT_FSCACHE;
kfree(fsopt->fscache_uniq);
fsopt->fscache_uniq = NULL;
break;
+#else
+ pr_err("fscache support is disabled\n");
+ return -EINVAL;
+#endif
case Opt_nofscache:
fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
kfree(fsopt->fscache_uniq);