block: add secure discard

[pandora-kernel.git] / block / blk-lib.c

diff --git a/block/blk-lib.c b/block/blk-lib.c
index c1fc55a..c392029 100644 (file)
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -62,6 +62,12 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
                max_discard_sectors &= ~(disc_sects - 1);
        }
 
+       if (flags & BLKDEV_IFL_SECURE) {
+               if (!blk_queue_secdiscard(q))
+                       return -EOPNOTSUPP;
+               type |= DISCARD_SECURE;
+       }
+
        while (nr_sects && !ret) {
                bio = bio_alloc(gfp_mask, 1);
                if (!bio) {