ocfs2: Don't relink cluster groups when allocating discontig block groups
We don't have enough credits, and the filesystem is in a full state
anyway.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index e5403acd..5852a46 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -606,6 +606,14 @@
goto bail;
}
+ /*
+ * We're going to be grabbing from multiple cluster groups.
+ * We don't have enough credits to relink them all, and the
+ * cluster groups will be staying in cache for the duration of
+ * this operation.
+ */
+ ac->ac_allow_chain_relink = 0;
+
/* Claim the first region */
status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits,
&bit_off, &num_bits);