linux-kernel - [PATCH v2 44/92] fat: convert to ctime accessor functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230705190309.579783-42-jlayton@kernel.org>
Date:   Wed,  5 Jul 2023 15:01:09 -0400
From:   Jeff Layton <jlayton@...nel.org>
To:     Christian Brauner <brauner@...nel.org>,
        OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:     Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 44/92] fat: convert to ctime accessor functions

In later patches, we're going to change how the inode's ctime field is
used. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/fat/inode.c | 7 ++++---
 fs/fat/misc.c  | 3 ++-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index d99b8549ec8f..2be40ff8a74f 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -562,7 +562,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
 			   & ~((loff_t)sbi->cluster_size - 1)) >> 9;
 
 	fat_time_fat2unix(sbi, &inode->i_mtime, de->time, de->date, 0);
-	inode->i_ctime = inode->i_mtime;
+	inode_set_ctime_to_ts(inode, inode->i_mtime);
 	if (sbi->options.isvfat) {
 		fat_time_fat2unix(sbi, &inode->i_atime, 0, de->adate, 0);
 		fat_time_fat2unix(sbi, &MSDOS_I(inode)->i_crtime, de->ctime,
@@ -1407,8 +1407,9 @@ static int fat_read_root(struct inode *inode)
 	MSDOS_I(inode)->mmu_private = inode->i_size;
 
 	fat_save_attrs(inode, ATTR_DIR);
-	inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = 0;
-	inode->i_mtime.tv_nsec = inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = 0;
+	inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode_set_ctime(inode,
+									0, 0).tv_sec;
+	inode->i_mtime.tv_nsec = inode->i_atime.tv_nsec = 0;
 	set_nlink(inode, fat_subdirs(inode)+2);
 
 	return 0;
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index 7e5d6ae305f2..67006ea08db6 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -332,7 +332,8 @@ int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags)
 	 * but ctime updates are ignored.
 	 */
 	if (flags & S_MTIME)
-		inode->i_mtime = inode->i_ctime = fat_truncate_mtime(sbi, now);
+		inode->i_mtime = inode_set_ctime_to_ts(inode,
+						       fat_truncate_mtime(sbi, now));
 
 	return 0;
 }
-- 
2.41.0