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[v3,25/39] ubifs: set/clear MS_RDONLY properly in ubifs_remount

Message ID 1442307754-13233-26-git-send-email-yangds.fnst@cn.fujitsu.com
State Deferred, archived
Delegated to: Richard Weinberger
Headers show

Commit Message

Dongsheng Yang Sept. 15, 2015, 9:02 a.m. UTC 
We need to set or clear MS_RDONLY in remounting.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
---
 fs/ubifs/super.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 2b07709..59cdfc2 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1840,6 +1840,7 @@  static int ubifs_remount_rw(struct ubifs_info *c)
 		 */
 		err = dbg_check_space_info(c);
 	}
+	c->vfs_sb->s_flags &= ~MS_RDONLY;
 
 	mutex_unlock(&c->umount_mutex);
 	return err;
@@ -1906,6 +1907,7 @@  static void ubifs_remount_ro(struct ubifs_info *c)
 	err = dbg_check_space_info(c);
 	if (err)
 		ubifs_ro_mode(c, err);
+	c->vfs_sb->s_flags |= MS_RDONLY;
 	mutex_unlock(&c->umount_mutex);
 }