btrfs: Remove fs_info from btrfs_add_root_ref

It can be referenced from the passed transaction handle.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

5 files changed, 10 insertions, 14 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 3677082ddf4c..c275ea258f9a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2984,10 +2984,9 @@ void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info,
 int btrfs_old_root_level(struct btrfs_root *root, u64 time_seq);
 
 /* root-item.c */
-int btrfs_add_root_ref(struct btrfs_trans_handle *trans,
-                       struct btrfs_fs_info *fs_info,
-                       u64 root_id, u64 ref_id, u64 dirid, u64 sequence,
-                       const char *name, int name_len);
+int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
+                       u64 ref_id, u64 dirid, u64 sequence, const char *name,
+                       int name_len);
 int btrfs_del_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
                        u64 ref_id, u64 dirid, u64 *sequence, const char *name,
                        int name_len);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7bf4a8d07e1e..407d068d4208 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6385,7 +6385,6 @@ int btrfs_add_link(struct btrfs_trans_handle *trans,
                    struct btrfs_inode *parent_inode, struct btrfs_inode *inode,
                    const char *name, int name_len, int add_backref, u64 index)
 {
-        struct btrfs_fs_info *fs_info = trans->fs_info;
         int ret = 0;
         struct btrfs_key key;
         struct btrfs_root *root = parent_inode->root;
@@ -6401,7 +6400,7 @@ int btrfs_add_link(struct btrfs_trans_handle *trans,
         }
 
         if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
-                ret = btrfs_add_root_ref(trans, fs_info, key.objectid,
+                ret = btrfs_add_root_ref(trans, key.objectid,
                                          root->root_key.objectid, parent_ino,
                                          index, name, name_len);
         } else if (add_backref) {
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 80fe3c654612..6eaadddaca9f 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -698,8 +698,7 @@ static noinline int create_subvol(struct inode *dir,
         ret = btrfs_update_inode(trans, root, dir);
         BUG_ON(ret);
 
-        ret = btrfs_add_root_ref(trans, fs_info,
-                                 objectid, root->root_key.objectid,
+        ret = btrfs_add_root_ref(trans, objectid, root->root_key.objectid,
                                  btrfs_ino(BTRFS_I(dir)), index, name, namelen);
         BUG_ON(ret);
 
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 52fa133ab53c..65bda0682928 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -412,12 +412,11 @@ out:
  *
  * Will return 0, -ENOMEM, or anything from the CoW path
  */
-int btrfs_add_root_ref(struct btrfs_trans_handle *trans,
-                       struct btrfs_fs_info *fs_info,
-                       u64 root_id, u64 ref_id, u64 dirid, u64 sequence,
-                       const char *name, int name_len)
+int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
+                       u64 ref_id, u64 dirid, u64 sequence, const char *name,
+                       int name_len)
 {
-        struct btrfs_root *tree_root = fs_info->tree_root;
+        struct btrfs_root *tree_root = trans->fs_info->tree_root;
         struct btrfs_key key;
         int ret;
         struct btrfs_path *path;
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index aec208cbff00..001ed1bc2aa8 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1573,7 +1573,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
         /*
          * insert root back/forward references
          */
-        ret = btrfs_add_root_ref(trans, fs_info, objectid,
+        ret = btrfs_add_root_ref(trans, objectid,
                                  parent_root->root_key.objectid,
                                  btrfs_ino(BTRFS_I(parent_inode)), index,
                                  dentry->d_name.name, dentry->d_name.len);