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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-06 19:01:45 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-06 19:01:45 +0300 |
| commit | b77779b93d7a38d9a7f3462b83f6e6fadb6b9ce5 (patch) | |
| tree | 4069743339aeca5a77a58eedb694621471af4683 /fs | |
| parent | 8d4ef4e15ec57eec5d24fb109fbc220eea9f0caf (diff) | |
| parent | 38f340ccdf9ed5f1350505b46c5689d015967057 (diff) | |
| download | linux-b77779b93d7a38d9a7f3462b83f6e6fadb6b9ce5.tar.xz | |
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
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/mds_client.c | 11 | ||||
| -rw-r--r-- | fs/ceph/snap.c | 8 |
2 files changed, 9 insertions, 10 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 84edfc60d87a..f23c820daaed 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -734,12 +734,13 @@ static int __choose_mds(struct ceph_mds_client *mdsc, inode = req->r_inode; ihold(inode); } else { - /* req->r_dentry is non-null for LSSNAP request. - * fall-thru */ - WARN_ON_ONCE(!req->r_dentry); + /* req->r_dentry is non-null for LSSNAP request */ + rcu_read_lock(); + 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 */ struct dentry *parent; struct inode *dir; diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 1ffc8b426c1c..7fc0b850c352 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -374,12 +374,10 @@ static int build_snap_context(struct ceph_snap_realm *realm, realm->ino, realm, snapc, snapc->seq, (unsigned int) snapc->num_snaps); - if (realm->cached_context) { - ceph_put_snap_context(realm->cached_context); - /* queue realm for cap_snap creation */ - list_add_tail(&realm->dirty_item, dirty_realms); - } + ceph_put_snap_context(realm->cached_context); realm->cached_context = snapc; + /* queue realm for cap_snap creation */ + list_add_tail(&realm->dirty_item, dirty_realms); return 0; fail: |