diff options
Diffstat (limited to 'fs/ceph/snap.c')
| -rw-r--r-- | fs/ceph/snap.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index b26e12cd8ec3..72c6c022f02b 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -648,13 +648,15 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm) if (!inode) continue; spin_unlock(&realm->inodes_with_caps_lock); - iput(lastinode); + /* avoid calling iput_final() while holding + * mdsc->snap_rwsem or in mds dispatch threads */ + ceph_async_iput(lastinode); lastinode = inode; ceph_queue_cap_snap(ci); spin_lock(&realm->inodes_with_caps_lock); } spin_unlock(&realm->inodes_with_caps_lock); - iput(lastinode); + ceph_async_iput(lastinode); dout("queue_realm_cap_snaps %p %llx done\n", realm, realm->ino); } @@ -806,7 +808,9 @@ static void flush_snaps(struct ceph_mds_client *mdsc) ihold(inode); spin_unlock(&mdsc->snap_flush_lock); ceph_flush_snaps(ci, &session); - iput(inode); + /* avoid calling iput_final() while holding + * session->s_mutex or in mds dispatch threads */ + ceph_async_iput(inode); spin_lock(&mdsc->snap_flush_lock); } spin_unlock(&mdsc->snap_flush_lock); @@ -950,12 +954,14 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc, ceph_get_snap_realm(mdsc, realm); ceph_put_snap_realm(mdsc, oldrealm); - iput(inode); + /* avoid calling iput_final() while holding + * mdsc->snap_rwsem or mds in dispatch threads */ + ceph_async_iput(inode); continue; skip_inode: spin_unlock(&ci->i_ceph_lock); - iput(inode); + ceph_async_iput(inode); } /* we may have taken some of the old realm's children. */ |