ext2: adjust block num when retry allocation

Set block num to original *count in a case
of retrying allocation in case num < *count

Link: https://lore.kernel.org/r/20191020232326.84881-1-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index e0cc551..924c1c7 100644 (file)
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1404,6 +1404,7 @@ allocated:
                 * use.  So we may want to selectively mark some of the blocks
                 * as free
                 */
+               num = *count;
                goto retry_alloc;
        }