blkdev: generalize flags for blkdev_issue_fn functions

The patch just convert all blkdev_issue_xxx function to common
set of flags. Wait/allocation semantics preserved.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6cd0a8f90dc7..eb086e0f4dcc 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -139,7 +139,8 @@ static int discard_swap(struct swap_info_struct *si)
         nr_blocks = ((sector_t)se->nr_pages - 1) << (PAGE_SHIFT - 9);
         if (nr_blocks) {
                 err = blkdev_issue_discard(si->bdev, start_block,
-                                nr_blocks, GFP_KERNEL, DISCARD_FL_BARRIER);
+                                nr_blocks, GFP_KERNEL,
+                                BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
                 if (err)
                         return err;
                 cond_resched();
@@ -150,7 +151,8 @@ static int discard_swap(struct swap_info_struct *si)
                 nr_blocks = (sector_t)se->nr_pages << (PAGE_SHIFT - 9);
 
                 err = blkdev_issue_discard(si->bdev, start_block,
-                                nr_blocks, GFP_KERNEL, DISCARD_FL_BARRIER);
+                                nr_blocks, GFP_KERNEL,
+                                BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
                 if (err)
                         break;
 
@@ -189,7 +191,8 @@ static void discard_swap_cluster(struct swap_info_struct *si,
                         start_block <<= PAGE_SHIFT - 9;
                         nr_blocks <<= PAGE_SHIFT - 9;
                         if (blkdev_issue_discard(si->bdev, start_block,
-                                    nr_blocks, GFP_NOIO, DISCARD_FL_BARRIER))
+                                    nr_blocks, GFP_NOIO, BLKDEV_IFL_WAIT |
+                                                        BLKDEV_IFL_BARRIER))
                                 break;
                 }