b=21800 fix spurious message from shrink_slab reporing negative nr

i=johann
i=andrew

diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 2338186..a87fdaa 100644 (file)
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -1305,7 +1305,7 @@ int ll_shrink_cache(int nr_to_scan, SHRINKER_MASK_T gfp_mask)
         struct ll_sb_info *sbi;
         int count = 0;
 
-        if (gfp_mask & __GFP_FS)
+        if ((nr_to_scan != 0) && (gfp_mask & __GFP_FS))
                 return -1;
 
         /* don't race with umount */