btrfs: send: drop unused parameter index from iterate_inode_ref_t callbacks

None of the ref iteration callbacks needs the index 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 b8ffded33fef9ab8c6aefd18dea78c0692893481..3c35936d91b53af7c0cf7b3b38ad2fb9706776b7 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -980,9 +980,7 @@ static int get_inode_gen(struct btrfs_root *root, u64 ino, u64 *gen)
        return ret;
 }
 
-typedef int (*iterate_inode_ref_t)(u64 dir, int index,
-                                  struct fs_path *p,
-                                  void *ctx);
+typedef int (*iterate_inode_ref_t)(u64 dir, struct fs_path *p, void *ctx);
 
 /*
  * Helper function to iterate the entries in ONE btrfs_inode_ref or
@@ -1007,7 +1005,6 @@ static int iterate_inode_ref(struct btrfs_root *root, struct btrfs_path *path,
        u32 name_len;
        char *start;
        int ret = 0;
-       int index;
        u64 dir;
        unsigned long name_off;
        unsigned long elem_size;
@@ -1042,13 +1039,11 @@ static int iterate_inode_ref(struct btrfs_root *root, struct btrfs_path *path,
                        iref = (struct btrfs_inode_ref *)(ptr + cur);
                        name_len = btrfs_inode_ref_name_len(eb, iref);
                        name_off = (unsigned long)(iref + 1);
-                       index = btrfs_inode_ref_index(eb, iref);
                        dir = found_key->offset;
                } else {
                        extref = (struct btrfs_inode_extref *)(ptr + cur);
                        name_len = btrfs_inode_extref_name_len(eb, extref);
                        name_off = (unsigned long)&extref->name;
-                       index = btrfs_inode_extref_index(eb, extref);
                        dir = btrfs_inode_extref_parent(eb, extref);
                }
 
@@ -1093,7 +1088,7 @@ static int iterate_inode_ref(struct btrfs_root *root, struct btrfs_path *path,
                }
 
                cur += elem_size + name_len;
-               ret = iterate(dir, index, p, ctx);
+               ret = iterate(dir, p, ctx);
                if (ret)
                        goto out;
        }
@@ -1225,8 +1220,7 @@ out:
        return ret;
 }
 
-static int __copy_first_ref(u64 dir, int index,
-                           struct fs_path *p, void *ctx)
+static int __copy_first_ref(u64 dir, struct fs_path *p, void *ctx)
 {
        int ret;
        struct fs_path *pt = ctx;
@@ -4706,8 +4700,7 @@ out:
        return ret;
 }
 
-static int record_new_ref_if_needed(u64 dir, int index,
-                                   struct fs_path *name, void *ctx)
+static int record_new_ref_if_needed(u64 dir, struct fs_path *name, void *ctx)
 {
        int ret = 0;
        struct send_ctx *sctx = ctx;
@@ -4736,8 +4729,7 @@ out:
        return ret;
 }
 
-static int record_deleted_ref_if_needed(u64 dir, int index,
-                                       struct fs_path *name, void *ctx)
+static int record_deleted_ref_if_needed(u64 dir, struct fs_path *name, void *ctx)
 {
        int ret = 0;
        struct send_ctx *sctx = ctx;