ceph: avoid inode lookup on nfs fh reconnect
If we get the inode from the MDS, we have a reference in req; don't do a
fresh lookup.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index f1828af..a610d3d 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -107,8 +107,10 @@
req->r_ino1 = vino;
req->r_num_caps = 1;
err = ceph_mdsc_do_request(mdsc, NULL, req);
+ inode = req->r_target_inode;
+ if (inode)
+ igrab(inode);
ceph_mdsc_put_request(req);
- inode = ceph_find_inode(sb, vino);
if (!inode)
return ERR_PTR(-ESTALE);
}
@@ -163,8 +165,10 @@
snprintf(req->r_path2, 16, "%d", cfh->parent_name_hash);
req->r_num_caps = 1;
err = ceph_mdsc_do_request(mdsc, NULL, req);
+ inode = req->r_target_inode;
+ if (inode)
+ igrab(inode);
ceph_mdsc_put_request(req);
- inode = ceph_find_inode(sb, vino);
if (!inode)
return ERR_PTR(err ? err : -ESTALE);
}