xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ceph: don't check quota for snap inode

Browse Source 
snap inode's i_snap_realm is not pointing to ceph_snap_realm.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng
2018-01-12 16:26:17 +08:00
committed by Ilya Dryomov
parent 1ab302a0cb
commit 2596366907
2 changed files with 18 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
fs/ceph/quota.c
View File

@@ -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;