Linux 3.2.42

[pandora-kernel.git] / fs / bio-integrity.c

diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index e49cce2..c2183f3 100644 (file)
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -22,6 +22,7 @@
 
 #include <linux/blkdev.h>
 #include <linux/mempool.h>
+#include <linux/export.h>
 #include <linux/bio.h>
 #include <linux/workqueue.h>
 #include <linux/slab.h>
@@ -761,6 +762,9 @@ int bioset_integrity_create(struct bio_set *bs, int pool_size)
 {
        unsigned int max_slab = vecs_to_idx(BIO_MAX_PAGES);
 
+       if (bs->bio_integrity_pool)
+               return 0;
+
        bs->bio_integrity_pool =
                mempool_create_slab_pool(pool_size, bip_slab[max_slab].slab);