linux-kernel - [PATCH v2 03/92] efivarfs: update ctime when mtime changes on a write

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Message-ID: <20230705190309.579783-3-jlayton@kernel.org>
Date:   Wed,  5 Jul 2023 15:00:30 -0400
From:   Jeff Layton <jlayton@...nel.org>
To:     Christian Brauner <brauner@...nel.org>,
        Jeremy Kerr <jk@...abs.org>, Ard Biesheuvel <ardb@...nel.org>
Cc:     Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-efi@...r.kernel.org
Subject: [PATCH v2 03/92] efivarfs: update ctime when mtime changes on a write

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..."

Add the missing ctime update.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/efivarfs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/efivarfs/file.c b/fs/efivarfs/file.c
index d57ee15874f9..375576111dc3 100644
--- a/fs/efivarfs/file.c
+++ b/fs/efivarfs/file.c
@@ -51,7 +51,7 @@ static ssize_t efivarfs_file_write(struct file *file,
 	} else {
 		inode_lock(inode);
 		i_size_write(inode, datasize + sizeof(attributes));
-		inode->i_mtime = current_time(inode);
+		inode->i_mtime = inode->i_ctime = current_time(inode);
 		inode_unlock(inode);
 	}
 
-- 
2.41.0