diff options
Diffstat (limited to 'fs/ceph/quota.c')
| -rw-r--r-- | fs/ceph/quota.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c index 7d1e18e2249f..529de67393a9 100644 --- a/fs/ceph/quota.c +++ b/fs/ceph/quota.c @@ -86,8 +86,15 @@ static struct ceph_snap_realm *get_quota_realm(struct ceph_mds_client *mdsc, struct ceph_vino vino; struct inode *in; + if (ceph_snap(inode) != CEPH_NOSNAP) + return NULL; + realm = ceph_inode(inode)->i_snap_realm; - ceph_get_snap_realm(mdsc, realm); + if (realm) + ceph_get_snap_realm(mdsc, realm); + else + pr_err_ratelimited("get_quota_realm: ino (%llx.%llx) " + "null i_snap_realm\n", ceph_vinop(inode)); while (realm) { vino.ino = realm->ino; vino.snap = CEPH_NOSNAP; @@ -158,9 +165,16 @@ static bool check_quota_exceeded(struct inode *inode, enum quota_check_op op, bool is_root; bool exceeded = false; + if (ceph_snap(inode) != CEPH_NOSNAP) + return false; + down_read(&mdsc->snap_rwsem); realm = ceph_inode(inode)->i_snap_realm; - ceph_get_snap_realm(mdsc, realm); + if (realm) + ceph_get_snap_realm(mdsc, realm); + else + pr_err_ratelimited("check_quota_exceeded: ino (%llx.%llx) " + "null i_snap_realm\n", ceph_vinop(inode)); while (realm) { vino.ino = realm->ino; vino.snap = CEPH_NOSNAP; |