linux-ext4 - [PATCH 1/7] ext2: Use ext2_clear_super_error() in ext2_sync

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: <1271248719-21488-2-git-send-email-jblunck@suse.de>
Date:	Wed, 14 Apr 2010 14:38:33 +0200
From:	Jan Blunck <jblunck@...e.de>
To:	Jan Kara <jack@...e.cz>, tytso@....edu
Cc:	Linux-Kernel Mailinglist <linux-kernel@...r.kernel.org>,
	linux-ext4@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arnd Bergmann <arnd@...db.de>, Jan Blunck <jblunck@...e.de>
Subject: [PATCH 1/7] ext2: Use ext2_clear_super_error() in ext2_sync_fs()

ext2_sync_fs() used to duplicate the code from ext2_clear_super_error().

Signed-off-by: Jan Blunck <jblunck@...e.de>
---
 fs/ext2/super.c |   20 +++-----------------
 1 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 42e4a30..8e8b675 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1120,8 +1120,8 @@ static void ext2_clear_super_error(struct super_block *sb)
 		 * be remapped.  Nothing we can do but to retry the
 		 * write and hope for the best.
 		 */
-		printk(KERN_ERR "EXT2-fs: %s previous I/O error to "
-		       "superblock detected", sb->s_id);
+		ext2_msg(sb, KERN_ERR,
+		       "previous I/O error to superblock detected\n");
 		clear_buffer_write_io_error(sbh);
 		set_buffer_uptodate(sbh);
 	}
@@ -1161,23 +1161,9 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es)
 static int ext2_sync_fs(struct super_block *sb, int wait)
 {
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
-	struct buffer_head *sbh = EXT2_SB(sb)->s_sbh;
 
 	lock_kernel();
-	if (buffer_write_io_error(sbh)) {
-		/*
-		 * Oh, dear.  A previous attempt to write the
-		 * superblock failed.  This could happen because the
-		 * USB device was yanked out.  Or it could happen to
-		 * be a transient write error and maybe the block will
-		 * be remapped.  Nothing we can do but to retry the
-		 * write and hope for the best.
-		 */
-		ext2_msg(sb, KERN_ERR,
-		       "previous I/O error to superblock detected\n");
-		clear_buffer_write_io_error(sbh);
-		set_buffer_uptodate(sbh);
-	}
+	ext2_clear_super_error(sb);
 
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");
-- 
1.6.4.2

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html