gfs2: Fix recovery slot bumping

Get rid of the assumption that the number of slots can at most increase by
RECOVER_SIZE_INC (16) in set_recover_size.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 4361804646d87862b47acc0249bc463f15569ceb..7c7197343ee2b8b0c1a53380b32c90648064b707 100644 (file)
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -1035,12 +1035,12 @@ static int set_recover_size(struct gfs2_sbd *sdp, struct dlm_slot *slots,
        }
 
        old_size = ls->ls_recover_size;
-
-       if (old_size >= max_jid + 1)
+       new_size = old_size;
+       while (new_size < max_jid + 1)
+               new_size += RECOVER_SIZE_INC;
+       if (new_size == old_size)
                return 0;
 
-       new_size = old_size + RECOVER_SIZE_INC;
-
        submit = kcalloc(new_size, sizeof(uint32_t), GFP_NOFS);
        result = kcalloc(new_size, sizeof(uint32_t), GFP_NOFS);
        if (!submit || !result) {