UBIFS: remount ro fixes

- preserve the idx_gc list - it will be needed in the same
state, should UBIFS be remounted rw again
- prevent remounting ro if we have switched to read only
mode (due to a fatal error)

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 29dfa816077b..535f87426791 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1594,7 +1594,7 @@ int ubifs_replay_journal(struct ubifs_info *c);
 int ubifs_garbage_collect(struct ubifs_info *c, int anyway);
 int ubifs_gc_start_commit(struct ubifs_info *c);
 int ubifs_gc_end_commit(struct ubifs_info *c);
-int ubifs_destroy_idx_gc(struct ubifs_info *c);
+void ubifs_destroy_idx_gc(struct ubifs_info *c);
 int ubifs_get_idx_gc_leb(struct ubifs_info *c);
 int ubifs_garbage_collect_leb(struct ubifs_info *c, struct ubifs_lprops *lp);