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Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 5612767b910..96bb2e4446a 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3826,13 +3826,14 @@ static int find_live_mirror(struct map_lookup *map, int first, int num,
return optimal;
}
-static int __btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
+static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
u64 logical, u64 *length,
struct btrfs_bio **bbio_ret,
int mirror_num)
{
struct extent_map *em;
struct map_lookup *map;
+ struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
struct extent_map_tree *em_tree = &map_tree->map_tree;
u64 offset;
u64 stripe_offset;
@@ -4061,11 +4062,11 @@ out:
return ret;
}
-int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
+int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
u64 logical, u64 *length,
struct btrfs_bio **bbio_ret, int mirror_num)
{
- return __btrfs_map_block(map_tree, rw, logical, length, bbio_ret,
+ return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,
mirror_num);
}
@@ -4394,7 +4395,6 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical)
int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
int mirror_num, int async_submit)
{
- struct btrfs_mapping_tree *map_tree;
struct btrfs_device *dev;
struct bio *first_bio = bio;
u64 logical = (u64)bio->bi_sector << 9;
@@ -4406,10 +4406,9 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
struct btrfs_bio *bbio = NULL;
length = bio->bi_size;
- map_tree = &root->fs_info->mapping_tree;
map_length = length;
- ret = btrfs_map_block(map_tree, rw, logical, &map_length, &bbio,
+ ret = btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio,
mirror_num);
if (ret) /* -ENOMEM */
return ret;