From e1e4dd0caa63e166afa46a1ccc947bebb4f66bcf Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Tue, 13 Apr 2010 11:45:56 -0700
Subject: [PATCH] ceph: reserve one more caps space when doing readdir
We were missing space for the directory cap. The result was a BUG at
fs/ceph/caps.c:2178.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
---
fs/ceph/dir.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 7505b4f1f597..159f588ca160 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -311,7 +311,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
req->r_readdir_offset = fi->next_offset;
req->r_args.readdir.frag = cpu_to_le32(frag);
req->r_args.readdir.max_entries = cpu_to_le32(max_entries);
- req->r_num_caps = max_entries;
+ req->r_num_caps = max_entries + 1;
err = ceph_mdsc_do_request(mdsc, NULL, req);
if (err < 0) {
ceph_mdsc_put_request(req);