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From: Amir Goldstein <amir73il@gmail.com>
To: "Darrick J . Wong" <darrick.wong@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>,
	Christoph Hellwig <hch@lst.de>,
	linux-xfs@vger.kernel.org,
	Olga Kornievskaia <olga.kornievskaia@gmail.com>,
	Luis Henriques <lhenriques@suse.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org,
	ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org,
	linux-cifs@vger.kernel.org
Subject: [PATCH v3 07/13] xfs: use file_modified() helper
Date: Wed, 29 May 2019 20:43:11 +0300	[thread overview]
Message-ID: <20190529174318.22424-8-amir73il@gmail.com> (raw)
In-Reply-To: <20190529174318.22424-1-amir73il@gmail.com>

Note that by using the helper, the order of calling file_remove_privs()
after file_update_mtime() in xfs_file_aio_write_checks() has changed.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---
 fs/xfs/xfs_file.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 76748255f843..916a35cae5e9 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -367,20 +367,7 @@ xfs_file_aio_write_checks(
 	 * lock above.  Eventually we should look into a way to avoid
 	 * the pointless lock roundtrip.
 	 */
-	if (likely(!(file->f_mode & FMODE_NOCMTIME))) {
-		error = file_update_time(file);
-		if (error)
-			return error;
-	}
-
-	/*
-	 * If we're writing the file then make sure to clear the setuid and
-	 * setgid bits if the process is not being run by root.  This keeps
-	 * people from modifying setuid and setgid binaries.
-	 */
-	if (!IS_NOSEC(inode))
-		return file_remove_privs(file);
-	return 0;
+	return file_modified(file);
 }
 
 static int
-- 
2.17.1


  parent reply	other threads:[~2019-05-29 17:44 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-29 17:43 [PATCH v3 00/13] Fixes for major copy_file_range() issues Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 01/13] vfs: introduce generic_copy_file_range() Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 02/13] vfs: no fallback for ->copy_file_range Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 03/13] vfs: introduce generic_file_rw_checks() Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 04/13] vfs: remove redundant checks from generic_remap_checks() Amir Goldstein
2019-05-29 18:23   ` Darrick J. Wong
2019-05-29 17:43 ` [PATCH v3 05/13] vfs: add missing checks to copy_file_range Amir Goldstein
2019-05-29 18:24   ` Darrick J. Wong
2019-05-29 17:43 ` [PATCH v3 06/13] vfs: introduce file_modified() helper Amir Goldstein
2019-05-29 18:27   ` Darrick J. Wong
2019-05-29 19:08     ` Amir Goldstein
2019-05-29 19:23       ` Amir Goldstein
2019-05-29 21:41       ` Dave Chinner
2019-05-29 17:43 ` Amir Goldstein [this message]
2019-05-29 18:31   ` [PATCH v3 07/13] xfs: use " Darrick J. Wong
2019-05-29 19:10     ` Amir Goldstein
2019-05-29 19:13       ` Darrick J. Wong
2019-05-29 17:43 ` [PATCH v3 08/13] vfs: copy_file_range needs to strip setuid bits and update timestamps Amir Goldstein
2019-05-29 18:33   ` Darrick J. Wong
2019-05-29 21:08     ` Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 09/13] ceph: " Amir Goldstein
2019-05-29 19:43   ` Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 10/13] cifs: " Amir Goldstein
2019-05-29 19:36   ` Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 11/13] fuse: " Amir Goldstein
2019-05-29 19:37   ` Amir Goldstein
2019-05-29 20:07     ` Miklos Szeredi
2019-05-29 17:43 ` [PATCH v3 12/13] nfs: " Amir Goldstein
2019-05-29 19:34   ` Amir Goldstein
2019-05-29 20:02     ` Trond Myklebust
2019-05-29 21:00       ` Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 13/13] vfs: allow copy_file_range to copy across devices Amir Goldstein
2019-05-29 20:09   ` Olga Kornievskaia
2019-05-29 21:03     ` Amir Goldstein
2019-06-03 20:39       ` Olga Kornievskaia
2019-06-04  4:11         ` Amir Goldstein
2019-05-29 17:43 ` [PATCH v3 14/13] man-pages: copy_file_range updates Amir Goldstein

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