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-rw-r--r--fs/ceph/xattr.c28
-rw-r--r--net/ceph/messenger.c7
-rw-r--r--net/ceph/mon_client.c14
3 files changed, 43 insertions, 6 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 7e72348639e4..315f7e63e7cc 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -228,7 +228,15 @@ static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val,
static bool ceph_vxattrcb_quota_exists(struct ceph_inode_info *ci)
{
- return (ci->i_max_files || ci->i_max_bytes);
+ bool ret = false;
+ spin_lock(&ci->i_ceph_lock);
+ if ((ci->i_max_files || ci->i_max_bytes) &&
+ ci->i_vino.snap == CEPH_NOSNAP &&
+ ci->i_snap_realm &&
+ ci->i_snap_realm->ino == ci->i_vino.ino)
+ ret = true;
+ spin_unlock(&ci->i_ceph_lock);
+ return ret;
}
static size_t ceph_vxattrcb_quota(struct ceph_inode_info *ci, char *val,
@@ -1008,14 +1016,19 @@ int __ceph_setxattr(struct inode *inode, const char *name,
char *newval = NULL;
struct ceph_inode_xattr *xattr = NULL;
int required_blob_size;
+ bool check_realm = false;
bool lock_snap_rwsem = false;
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EROFS;
vxattr = ceph_match_vxattr(inode, name);
- if (vxattr && vxattr->readonly)
- return -EOPNOTSUPP;
+ if (vxattr) {
+ if (vxattr->readonly)
+ return -EOPNOTSUPP;
+ if (value && !strncmp(vxattr->name, "ceph.quota", 10))
+ check_realm = true;
+ }
/* pass any unhandled ceph.* xattrs through to the MDS */
if (!strncmp(name, XATTR_CEPH_PREFIX, XATTR_CEPH_PREFIX_LEN))
@@ -1109,6 +1122,15 @@ do_sync_unlocked:
err = -EBUSY;
} else {
err = ceph_sync_setxattr(inode, name, value, size, flags);
+ if (err >= 0 && check_realm) {
+ /* check if snaprealm was created for quota inode */
+ spin_lock(&ci->i_ceph_lock);
+ if ((ci->i_max_files || ci->i_max_bytes) &&
+ !(ci->i_snap_realm &&
+ ci->i_snap_realm->ino == ci->i_vino.ino))
+ err = -EOPNOTSUPP;
+ spin_unlock(&ci->i_ceph_lock);
+ }
}
out:
ceph_free_cap_flush(prealloc_cf);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index fcb40c12b1f8..3b3d33ea9ed8 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2569,6 +2569,11 @@ static int try_write(struct ceph_connection *con)
int ret = 1;
dout("try_write start %p state %lu\n", con, con->state);
+ if (con->state != CON_STATE_PREOPEN &&
+ con->state != CON_STATE_CONNECTING &&
+ con->state != CON_STATE_NEGOTIATING &&
+ con->state != CON_STATE_OPEN)
+ return 0;
more:
dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes);
@@ -2594,6 +2599,8 @@ more:
}
more_kvec:
+ BUG_ON(!con->sock);
+
/* kvec data queued? */
if (con->out_kvec_left) {
ret = write_partial_kvec(con);
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index b3dac24412d3..21ac6e3b96bb 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -209,6 +209,14 @@ static void reopen_session(struct ceph_mon_client *monc)
__open_session(monc);
}
+static void un_backoff(struct ceph_mon_client *monc)
+{
+ monc->hunt_mult /= 2; /* reduce by 50% */
+ if (monc->hunt_mult < 1)
+ monc->hunt_mult = 1;
+ dout("%s hunt_mult now %d\n", __func__, monc->hunt_mult);
+}
+
/*
* Reschedule delayed work timer.
*/
@@ -963,6 +971,7 @@ static void delayed_work(struct work_struct *work)
if (!monc->hunting) {
ceph_con_keepalive(&monc->con);
__validate_auth(monc);
+ un_backoff(monc);
}
if (is_auth &&
@@ -1123,9 +1132,8 @@ static void finish_hunting(struct ceph_mon_client *monc)
dout("%s found mon%d\n", __func__, monc->cur_mon);
monc->hunting = false;
monc->had_a_connection = true;
- monc->hunt_mult /= 2; /* reduce by 50% */
- if (monc->hunt_mult < 1)
- monc->hunt_mult = 1;
+ un_backoff(monc);
+ __schedule_delayed(monc);
}
}