btrfs: send: drop unused parameter num from iterate_inode_ref_t callbacks

None of the ref iteration callbacks needs the num parameter (this is for
the directory item iteration), so we can drop it.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index b068469871f8e554aca9688048344f3c9d4e0ac7..b8ffded33fef9ab8c6aefd18dea78c0692893481 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -980,7 +980,7 @@ static int get_inode_gen(struct btrfs_root *root, u64 ino, u64 *gen)
        return ret;
 }
 
-typedef int (*iterate_inode_ref_t)(int num, u64 dir, int index,
+typedef int (*iterate_inode_ref_t)(u64 dir, int index,
                                   struct fs_path *p,
                                   void *ctx);
 
@@ -1007,7 +1007,6 @@ static int iterate_inode_ref(struct btrfs_root *root, struct btrfs_path *path,
        u32 name_len;
        char *start;
        int ret = 0;
-       int num = 0;
        int index;
        u64 dir;
        unsigned long name_off;
@@ -1094,10 +1093,9 @@ static int iterate_inode_ref(struct btrfs_root *root, struct btrfs_path *path,
                }
 
                cur += elem_size + name_len;
-               ret = iterate(num, dir, index, p, ctx);
+               ret = iterate(dir, index, p, ctx);
                if (ret)
                        goto out;
-               num++;
        }
 
 out:
@@ -1227,7 +1225,7 @@ out:
        return ret;
 }
 
-static int __copy_first_ref(int num, u64 dir, int index,
+static int __copy_first_ref(u64 dir, int index,
                            struct fs_path *p, void *ctx)
 {
        int ret;
@@ -4708,7 +4706,7 @@ out:
        return ret;
 }
 
-static int record_new_ref_if_needed(int num, u64 dir, int index,
+static int record_new_ref_if_needed(u64 dir, int index,
                                    struct fs_path *name, void *ctx)
 {
        int ret = 0;
@@ -4738,7 +4736,7 @@ out:
        return ret;
 }
 
-static int record_deleted_ref_if_needed(int num, u64 dir, int index,
+static int record_deleted_ref_if_needed(u64 dir, int index,
                                        struct fs_path *name, void *ctx)
 {
        int ret = 0;