Kernel bump from 4.1.3-rt to 4.1.7-rt.

[kvmfornfv.git] / kernel / fs / ext4 / mballoc.c

diff --git a/kernel/fs/ext4/mballoc.c b/kernel/fs/ext4/mballoc.c
index 8d1e602..4126048 100644 (file)
--- a/kernel/fs/ext4/mballoc.c
+++ b/kernel/fs/ext4/mballoc.c
@@ -4800,18 +4800,12 @@ do_more:
                /*
                 * blocks being freed are metadata. these blocks shouldn't
                 * be used until this transaction is committed
+                *
+                * We use __GFP_NOFAIL because ext4_free_blocks() is not allowed
+                * to fail.
                 */
-       retry:
-               new_entry = kmem_cache_alloc(ext4_free_data_cachep, GFP_NOFS);
-               if (!new_entry) {
-                       /*
-                        * We use a retry loop because
-                        * ext4_free_blocks() is not allowed to fail.
-                        */
-                       cond_resched();
-                       congestion_wait(BLK_RW_ASYNC, HZ/50);
-                       goto retry;
-               }
+               new_entry = kmem_cache_alloc(ext4_free_data_cachep,
+                               GFP_NOFS|__GFP_NOFAIL);
                new_entry->efd_start_cluster = bit;
                new_entry->efd_group = block_group;
                new_entry->efd_count = count_clusters;