UBIFS: fix-up free space on mount if flag is set
If a UBIFS filesystem is being mounted read-write, or is being remounted
from read-only to read-write, check for the "space_fixup" flag and fix
all LEBs containing empty space if necessary.
Artem: tweaked the patch a bit
Signed-off-by: Matthew L. Creech <mlcreech@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 575ea83..6db0bdaa 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1396,6 +1396,12 @@
} else
ubifs_assert(c->lst.taken_empty_lebs > 0);
+ if (!c->ro_mount && c->space_fixup) {
+ err = ubifs_fixup_free_space(c);
+ if (err)
+ goto out_infos;
+ }
+
err = dbg_check_filesystem(c);
if (err)
goto out_infos;
@@ -1686,6 +1692,13 @@
*/
err = dbg_check_space_info(c);
}
+
+ if (c->space_fixup) {
+ err = ubifs_fixup_free_space(c);
+ if (err)
+ goto out;
+ }
+
mutex_unlock(&c->umount_mutex);
return err;