From: Miklos Szeredi <mszeredi@xxxxxxx>
On emergency remount we want to force MS_RDONLY on the super block
even if ->remount_fs() failed for some reason.
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
---
fs/super.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: linux-2.6/fs/super.c
===================================================================
--- linux-2.6.orig/fs/super.c 2011-01-17 09:33:44.000000000 +0100
+++ linux-2.6/fs/super.c 2011-01-18 12:36:02.000000000 +0100
@@ -580,7 +580,8 @@ int do_remount_sb(struct super_block *sb
if (sb->s_op->remount_fs) {
retval = sb->s_op->remount_fs(sb, &flags, data);
- if (retval)
+ /* If forced remount, go ahead despite any errors */
+ if (retval && !force)
return retval;
}
sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);
--
--
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