arm64: dts: rockchip: fix sdmmc1_bus4 pinctrl for rk3328

[firefly-linux-kernel-4.4.55.git] / fs / ext4 / mballoc.c

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index be1227c196d88471bb0aac3a6604c54e160bf45d..c2810503eb506166ca98c5f4ac3c1028f4a356f6 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3121,6 +3121,13 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
        if (ar->pright && start + size - 1 >= ar->lright)
                size -= start + size - ar->lright;
 
+       /*
+        * Trim allocation request for filesystems with artificially small
+        * groups.
+        */
+       if (size > EXT4_BLOCKS_PER_GROUP(ac->ac_sb))
+               size = EXT4_BLOCKS_PER_GROUP(ac->ac_sb);
+
        end = start + size;
 
        /* check we don't cross already preallocated blocks */