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From:   Jeff Layton <jlayton@kernel.org>
To:     Christian Brauner <brauner@kernel.org>,
        Brad Warrum <bwarrum@linux.ibm.com>,
        Ritu Agarwal <rituagar@linux.ibm.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Al Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 01/92] ibmvmc: update ctime in conjunction with mtime on write
Date:   Wed,  5 Jul 2023 15:00:28 -0400
Message-ID: <20230705190309.579783-1-jlayton@kernel.org>
In-Reply-To: <20230705185755.579053-1-jlayton@kernel.org>
References: <20230705185755.579053-1-jlayton@kernel.org>
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POSIX says:

"Upon successful completion, where nbyte is greater than 0, write()
 shall mark for update the last data modification and last file status
 change timestamps of the file..."

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 drivers/misc/ibmvmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c
index cbaf6d35e854..d7c7f0305257 100644
--- a/drivers/misc/ibmvmc.c
+++ b/drivers/misc/ibmvmc.c
@@ -1124,7 +1124,7 @@ static ssize_t ibmvmc_write(struct file *file, const char *buffer,
 		goto out;
 
 	inode = file_inode(file);
-	inode->i_mtime = current_time(inode);
+	inode->i_mtime = inode->i_ctime = current_time(inode);
 	mark_inode_dirty(inode);
 
 	dev_dbg(adapter->dev, "write: file = 0x%lx, count = 0x%lx\n",
-- 
2.41.0