btrfs scrub: use int for mirror_num, not u64

the rest of the code uses int mirror_num, and so should scrub

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 59caf8f..41a0114 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -65,7 +65,7 @@ static void scrub_fixup(struct scrub_bio *sbio, int ix);
 struct scrub_page {
        u64                     flags;  /* extent flags */
        u64                     generation;
-       u64                     mirror_num;
+       int                     mirror_num;
        int                     have_csum;
        u8                      csum[BTRFS_CSUM_SIZE];
 };
@@ -776,7 +776,7 @@ nomem:
 }
 
 static int scrub_page(struct scrub_dev *sdev, u64 logical, u64 len,
-                     u64 physical, u64 flags, u64 gen, u64 mirror_num,
+                     u64 physical, u64 flags, u64 gen, int mirror_num,
                      u8 *csum, int force)
 {
        struct scrub_bio *sbio;
@@ -873,7 +873,7 @@ static int scrub_find_csum(struct scrub_dev *sdev, u64 logical, u64 len,
 
 /* scrub extent tries to collect up to 64 kB for each bio */
 static int scrub_extent(struct scrub_dev *sdev, u64 logical, u64 len,
-                       u64 physical, u64 flags, u64 gen, u64 mirror_num)
+                       u64 physical, u64 flags, u64 gen, int mirror_num)
 {
        int ret;
        u8 csum[BTRFS_CSUM_SIZE];
@@ -919,7 +919,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_dev *sdev,
        u64 physical;
        u64 logical;
        u64 generation;
-       u64 mirror_num;
+       int mirror_num;
 
        u64 increment = map->stripe_len;
        u64 offset;