Signed-off-by: David Sterba <dsterba@xxxxxxxx>
---
fs/btrfs/ctree.h | 1 +
fs/btrfs/extent-tree.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7cde72683b8e..772cb4ccc5f7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -679,6 +679,7 @@ struct btrfs_stripe_hash {
*/
enum btrfs_clear_op_type {
BTRFS_CLEAR_OP_DISCARD = 0,
+ BTRFS_CLEAR_OP_ZERO,
BTRFS_NR_CLEAR_OP_TYPES,
};
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b317f8ee42a9..800aaf45e6bd 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2041,6 +2041,9 @@ static int btrfs_issue_clear_op(struct block_device *bdev, u64 start, u64 size,
case BTRFS_CLEAR_OP_DISCARD:
return blkdev_issue_discard(bdev, start >> 9, size >> 9,
GFP_NOFS, 0);
+ case BTRFS_CLEAR_OP_ZERO:
+ return blkdev_issue_zeroout(bdev, start >> 9, size >> 9,
+ GFP_NOFS, 0);
default:
return -EOPNOTSUPP;
}
--
2.16.2
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