diff options
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/caps.c | 6 | ||||
| -rw-r--r-- | fs/ceph/snap.c | 17 |
2 files changed, 22 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 6443ba1e6..ba65b4bd7 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1554,6 +1554,7 @@ void ceph_flush_snaps(struct ceph_inode_info *ci, struct inode *inode = &ci->vfs_inode; struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc; struct ceph_mds_session *session = NULL; + bool need_put = false; int mds; dout("ceph_flush_snaps %p\n", inode); @@ -1607,8 +1608,13 @@ out: } /* we flushed them all; remove this inode from the queue */ spin_lock(&mdsc->snap_flush_lock); + if (!list_empty(&ci->i_snap_flush_item)) + need_put = true; list_del_init(&ci->i_snap_flush_item); spin_unlock(&mdsc->snap_flush_lock); + + if (need_put) + iput(inode); } /* diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index a5ef82754..4f727f2c9 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -623,8 +623,10 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci, capsnap->size); spin_lock(&mdsc->snap_flush_lock); - if (list_empty(&ci->i_snap_flush_item)) + if (list_empty(&ci->i_snap_flush_item)) { + ihold(inode); list_add_tail(&ci->i_snap_flush_item, &mdsc->snap_flush_list); + } spin_unlock(&mdsc->snap_flush_lock); return 1; /* caller may want to ceph_flush_snaps */ } @@ -976,6 +978,19 @@ skip_inode: continue; adjust_snap_realm_parent(mdsc, child, realm->ino); } + } else { + /* + * In the non-split case both 'num_split_inos' and + * 'num_split_realms' should be 0, making this a no-op. + * However the MDS happens to populate 'split_realms' list + * in one of the UPDATE op cases by mistake. + * + * Skip both lists just in case to ensure that 'p' is + * positioned at the start of realm info, as expected by + * ceph_update_snap_trace(). + */ + p += sizeof(u64) * num_split_inos; + p += sizeof(u64) * num_split_realms; } /* |