btrfs: mirror_num should be int, not u64

My previous patch introduced some u64 for failed_mirror variables, this one
makes it consistent again.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

3 files changed, 4 insertions, 4 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 48d30138237..94abc25392f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -620,7 +620,7 @@ out:
 
 static int btree_io_failed_hook(struct bio *failed_bio,
                          struct page *page, u64 start, u64 end,
-                         u64 mirror_num, struct extent_state *state)
+                         int mirror_num, struct extent_state *state)
 {
         struct extent_io_tree *tree;
         unsigned long len;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 47fdba7853c..a877b8b212e 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2285,8 +2285,8 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
                                 clean_io_failure(start, page);
                 }
                 if (!uptodate) {
-                        u64 failed_mirror;
-                        failed_mirror = (unsigned long)bio->bi_bdev;
+                        int failed_mirror;
+                        failed_mirror = (int)(unsigned long)bio->bi_bdev;
                         if (tree->ops && tree->ops->readpage_io_failed_hook)
                                 ret = tree->ops->readpage_io_failed_hook(
                                                 bio, page, start, end,
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index feb9be0e23b..7604c300132 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -70,7 +70,7 @@ struct extent_io_ops {
                               unsigned long bio_flags);
         int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
         int (*readpage_io_failed_hook)(struct bio *bio, struct page *page,
-                                       u64 start, u64 end, u64 failed_mirror,
+                                       u64 start, u64 end, int failed_mirror,
                                        struct extent_state *state);
         int (*writepage_io_failed_hook)(struct bio *bio, struct page *page,
                                         u64 start, u64 end,