Commit b77779b9 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'ceph-for-4.14-rc4' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Two fixups for CephFS snapshot-handling patches in -rc1"

* tag 'ceph-for-4.14-rc4' of git://github.com/ceph/ceph-client:
  ceph: fix __choose_mds() for LSSNAP request
  ceph: properly queue cap snap for newly created snap realm
parents 8d4ef4e1 38f340cc
...@@ -734,12 +734,13 @@ static int __choose_mds(struct ceph_mds_client *mdsc, ...@@ -734,12 +734,13 @@ static int __choose_mds(struct ceph_mds_client *mdsc,
inode = req->r_inode; inode = req->r_inode;
ihold(inode); ihold(inode);
} else { } else {
/* req->r_dentry is non-null for LSSNAP request. /* req->r_dentry is non-null for LSSNAP request */
* fall-thru */ rcu_read_lock();
WARN_ON_ONCE(!req->r_dentry); inode = get_nonsnap_parent(req->r_dentry);
} rcu_read_unlock();
dout("__choose_mds using snapdir's parent %p\n", inode);
} }
if (!inode && req->r_dentry) { } else if (req->r_dentry) {
/* ignore race with rename; old or new d_parent is okay */ /* ignore race with rename; old or new d_parent is okay */
struct dentry *parent; struct dentry *parent;
struct inode *dir; struct inode *dir;
......
...@@ -374,12 +374,10 @@ static int build_snap_context(struct ceph_snap_realm *realm, ...@@ -374,12 +374,10 @@ static int build_snap_context(struct ceph_snap_realm *realm,
realm->ino, realm, snapc, snapc->seq, realm->ino, realm, snapc, snapc->seq,
(unsigned int) snapc->num_snaps); (unsigned int) snapc->num_snaps);
if (realm->cached_context) {
ceph_put_snap_context(realm->cached_context); ceph_put_snap_context(realm->cached_context);
realm->cached_context = snapc;
/* queue realm for cap_snap creation */ /* queue realm for cap_snap creation */
list_add_tail(&realm->dirty_item, dirty_realms); list_add_tail(&realm->dirty_item, dirty_realms);
}
realm->cached_context = snapc;
return 0; return 0;
fail: fail:
......
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