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Subject[PATCH 1/4] vfs: ignore error on forced remount
Date
From: Miklos Szeredi <mszeredi@suse.cz>

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@suse.cz>
---
fs/super.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/fs/super.c b/fs/super.c
index 3f56a26..5398975 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -727,7 +727,8 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)

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);
--
1.7.3.4


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