From 39ef17f1b0613b46c6973596525c2bc816d90b5b Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sat, 3 Mar 2012 17:56:23 -0500
Subject: [PATCH] ext4: simplify handling of the errors=* mount options
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 1 +
fs/ext4/super.c | 9 +++------
2 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index df93dc1965143..d70b981b85fb5 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -924,6 +924,7 @@ struct ext4_inode_info {
#define EXT4_MOUNT_ERRORS_CONT 0x00010 /* Continue on errors */
#define EXT4_MOUNT_ERRORS_RO 0x00020 /* Remount fs ro on errors */
#define EXT4_MOUNT_ERRORS_PANIC 0x00040 /* Panic on errors */
+#define EXT4_MOUNT_ERRORS_MASK 0x00070
#define EXT4_MOUNT_MINIX_DF 0x00080 /* Mimics the Minix statfs */
#define EXT4_MOUNT_NOLOAD 0x00100 /* Don't use existing journal*/
#define EXT4_MOUNT_DATA_FLAGS 0x00C00 /* Mode for data writes: */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6b27bc6eba403..93cca1fa39034 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1565,18 +1565,15 @@ static int parse_options(char *options, struct super_block *sb,
/* *sb_block = match_int(&args[0]); */
break;
case Opt_err_panic:
- clear_opt(sb, ERRORS_CONT);
- clear_opt(sb, ERRORS_RO);
+ clear_opt(sb, ERRORS_MASK);
set_opt(sb, ERRORS_PANIC);
break;
case Opt_err_ro:
- clear_opt(sb, ERRORS_CONT);
- clear_opt(sb, ERRORS_PANIC);
+ clear_opt(sb, ERRORS_MASK);
set_opt(sb, ERRORS_RO);
break;
case Opt_err_cont:
- clear_opt(sb, ERRORS_RO);
- clear_opt(sb, ERRORS_PANIC);
+ clear_opt(sb, ERRORS_MASK);
set_opt(sb, ERRORS_CONT);
break;
case Opt_nouid32:
--
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