btrfs: create helper btrfs_find_device_by_user_input()

The patch renames btrfs_dev_replace_find_srcdev() to
btrfs_find_device_by_user_input() and moves it to volumes.c, so that
delete device can use it.

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

1 files changed, 1 insertions, 23 deletions

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 26bcb487f958..7ad8ae994ca0 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -44,9 +44,6 @@ static void btrfs_dev_replace_update_device_in_mapping_tree(
                                                 struct btrfs_fs_info *fs_info,
                                                 struct btrfs_device *srcdev,
                                                 struct btrfs_device *tgtdev);
-static int btrfs_dev_replace_find_srcdev(struct btrfs_root *root, u64 srcdevid,
-                                         char *srcdev_name,
-                                         struct btrfs_device **device);
 static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
 static int btrfs_dev_replace_kthread(void *data);
 static int btrfs_dev_replace_continue_on_mount(struct btrfs_fs_info *fs_info);
@@ -329,7 +326,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
 
         /* the disk copy procedure reuses the scrub code */
         mutex_lock(&fs_info->volume_mutex);
-        ret = btrfs_dev_replace_find_srcdev(root, args->start.srcdevid,
+        ret = btrfs_find_device_by_user_input(root, args->start.srcdevid,
                                             args->start.srcdev_name,
                                             &src_device);
         if (ret) {
@@ -626,25 +623,6 @@ static void btrfs_dev_replace_update_device_in_mapping_tree(
         write_unlock(&em_tree->lock);
 }
 
-static int btrfs_dev_replace_find_srcdev(struct btrfs_root *root, u64 srcdevid,
-                                         char *srcdev_name,
-                                         struct btrfs_device **device)
-{
-        int ret;
-
-        if (srcdevid) {
-                ret = 0;
-                *device = btrfs_find_device(root->fs_info, srcdevid, NULL,
-                                            NULL);
-                if (!*device)
-                        ret = -ENOENT;
-        } else {
-                ret = btrfs_find_device_missing_or_by_path(root, srcdev_name,
-                                                           device);
-        }
-        return ret;
-}
-
 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
                               struct btrfs_ioctl_dev_replace_args *args)
 {