btrfs: send: use vmalloc only as fallback for read_buf (eb5b75fe) · Commits · e / devices / android_kernel_oneplus_sm8150

fs/btrfs/send.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -6037,11 +6037,14 @@ long btrfs_ioctl_send(struct file mnt_file, void __user arg_)
		}
		}

		sctx->read_buf = kmalloc(BTRFS_SEND_READ_SIZE, GFP_KERNEL \| __GFP_NOWARN);
		if (!sctx->read_buf) {
		sctx->read_buf = vmalloc(BTRFS_SEND_READ_SIZE);
		if (!sctx->read_buf) {
		ret = -ENOMEM;
		goto out;
		}
		}

		sctx->pending_dir_moves = RB_ROOT;
		sctx->waiting_dir_moves = RB_ROOT;
		@@ -6224,7 +6227,7 @@ long btrfs_ioctl_send(struct file mnt_file, void __user arg_)

		vfree(sctx->clone_roots);
		kvfree(sctx->send_buf);
		vfree(sctx->read_buf);
		kvfree(sctx->read_buf);

		name_cache_free(sctx);