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>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index e5403acdb3f5..5852a46647a2 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -606,6 +606,14 @@ ocfs2_block_group_alloc_discontig(handle_t *handle,
                 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);