ceph: use ihold when we already have an inode ref
We should use ihold whenever we already have a stable inode ref, even
when we aren't holding i_lock. This avoids adding new and unnecessary
locking dependencies.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index f2b6286..f42d730 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -665,7 +665,8 @@
err = PTR_ERR(req);
goto out;
}
- req->r_inode = igrab(inode);
+ req->r_inode = inode;
+ ihold(inode);
req->r_inode_drop = CEPH_CAP_XATTR_SHARED;
req->r_num_caps = 1;
req->r_args.setxattr.flags = cpu_to_le32(flags);
@@ -795,7 +796,8 @@
USE_AUTH_MDS);
if (IS_ERR(req))
return PTR_ERR(req);
- req->r_inode = igrab(inode);
+ req->r_inode = inode;
+ ihold(inode);
req->r_inode_drop = CEPH_CAP_XATTR_SHARED;
req->r_num_caps = 1;
req->r_path2 = kstrdup(name, GFP_NOFS);