1 files changed, 0 insertions, 80 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index baecb19404ad..243d08f37c58 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -403,86 +403,6 @@ update_flags:
 	return ret;
 }
 
-/*
- * Start exclusive operation @type, return true on success
- */
-bool btrfs_exclop_start(struct btrfs_fs_info *fs_info,
-			enum btrfs_exclusive_operation type)
-{
-	bool ret = false;
-
-	spin_lock(&fs_info->super_lock);
-	if (fs_info->exclusive_operation == BTRFS_EXCLOP_NONE) {
-		fs_info->exclusive_operation = type;
-		ret = true;
-	}
-	spin_unlock(&fs_info->super_lock);
-
-	return ret;
-}
-
-/*
- * Conditionally allow to enter the exclusive operation in case it's compatible
- * with the running one.  This must be paired with btrfs_exclop_start_unlock and
- * btrfs_exclop_finish.
- *
- * Compatibility:
- * - the same type is already running
- * - when trying to add a device and balance has been paused
- * - not BTRFS_EXCLOP_NONE - this is intentionally incompatible and the caller
- *   must check the condition first that would allow none -> @type
- */
-bool btrfs_exclop_start_try_lock(struct btrfs_fs_info *fs_info,
-				 enum btrfs_exclusive_operation type)
-{
-	spin_lock(&fs_info->super_lock);
-	if (fs_info->exclusive_operation == type ||
-	    (fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED &&
-	     type == BTRFS_EXCLOP_DEV_ADD))
-		return true;
-
-	spin_unlock(&fs_info->super_lock);
-	return false;
-}
-
-void btrfs_exclop_start_unlock(struct btrfs_fs_info *fs_info)
-{
-	spin_unlock(&fs_info->super_lock);
-}
-
-void btrfs_exclop_finish(struct btrfs_fs_info *fs_info)
-{
-	spin_lock(&fs_info->super_lock);
-	WRITE_ONCE(fs_info->exclusive_operation, BTRFS_EXCLOP_NONE);
-	spin_unlock(&fs_info->super_lock);
-	sysfs_notify(&fs_info->fs_devices->fsid_kobj, NULL, "exclusive_operation");
-}
-
-void btrfs_exclop_balance(struct btrfs_fs_info *fs_info,
-			  enum btrfs_exclusive_operation op)
-{
-	switch (op) {
-	case BTRFS_EXCLOP_BALANCE_PAUSED:
-		spin_lock(&fs_info->super_lock);
-		ASSERT(fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE ||
-		       fs_info->exclusive_operation == BTRFS_EXCLOP_DEV_ADD ||
-		       fs_info->exclusive_operation == BTRFS_EXCLOP_NONE ||
-		       fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED);
-		fs_info->exclusive_operation = BTRFS_EXCLOP_BALANCE_PAUSED;
-		spin_unlock(&fs_info->super_lock);
-		break;
-	case BTRFS_EXCLOP_BALANCE:
-		spin_lock(&fs_info->super_lock);
-		ASSERT(fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED);
-		fs_info->exclusive_operation = BTRFS_EXCLOP_BALANCE;
-		spin_unlock(&fs_info->super_lock);
-		break;
-	default:
-		btrfs_warn(fs_info,
-			"invalid exclop balance operation %d requested", op);
-	}
-}
-
 static int btrfs_ioctl_getversion(struct inode *inode, int __user *arg)
 {
 	return put_user(inode->i_generation, arg);