From: Xiubo Li <xiubli@redhat.com>
Date: Mon, 16 Dec 2019 05:12:07 +0000 (-0500)
Subject: ceph: only touch the caps which have the subset mask requested
X-Git-Tag: v5.6-rc1~43^2~12
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9f8b72b3a9485d659410989c6daf5467ebe264ea;p=linux.git

ceph: only touch the caps which have the subset mask requested

For the caps having no any subset mask requested we shouldn't touch
them.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 9d09bb53c1ab..28ae0c134700 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -908,7 +908,8 @@ int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch)
 						       ci_node);
 					if (!__cap_is_valid(cap))
 						continue;
-					__touch_cap(cap);
+					if (cap->issued & mask)
+						__touch_cap(cap);
 				}
 			}
 			return 1;