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From: Chengguang Xu <cgxu519@mykernel.net>
To: miklos@szeredi.hu
Cc: linux-unionfs@vger.kernel.org, Chengguang Xu <cgxu519@mykernel.net>
Subject: [PATCH] ovl: update ctime when changing file attribution
Date: Wed, 10 Mar 2021 10:09:25 +0800	[thread overview]
Message-ID: <20210310020925.2441670-1-cgxu519@mykernel.net> (raw)

Currently we keep size, mode and times of overlay inode
as the same as upper inode, so should update ctime when
changing file attribution as well.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
---
 fs/overlayfs/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index dbfb35fb0ff7..49b73a2e92a7 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -546,6 +546,8 @@ static long ovl_ioctl_set_flags(struct file *file, unsigned int cmd,
 	ret = ovl_real_ioctl(file, cmd, arg);
 
 	ovl_copyflags(ovl_inode_real(inode), inode);
+	/* Update ctime */
+	ovl_copyattr(ovl_inode_real(inode), inode);
 unlock:
 	inode_unlock(inode);
 
-- 
2.27.0



             reply	other threads:[~2021-03-10  2:10 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-10  2:09 Chengguang Xu [this message]
2021-07-21 13:11 ` [PATCH] ovl: update ctime when changing file attribution Miklos Szeredi

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