From aae1a442f8eac6d5442ee479df66d278c73a6ecc Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Sat, 26 May 2018 16:54:39 +0800 Subject: ceph: prevent i_version from going back inode info from non-auth can be stale. Signed-off-by: "Yan, Zheng" Signed-off-by: Ilya Dryomov --- fs/ceph/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'fs/ceph/inode.c') diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 4aeccb13437b..4fda7a9d4c9d 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -889,7 +889,8 @@ static int fill_inode(struct inode *inode, struct page *locked_page, } /* finally update i_version */ - ci->i_version = le64_to_cpu(info->version); + if (le64_to_cpu(info->version) > ci->i_version) + ci->i_version = le64_to_cpu(info->version); inode->i_mapping->a_ops = &ceph_aops; -- cgit v1.2.3-59-g8ed1b