From 8a9d5fc3c8a6c3de562bec6e686ba4c5994227cf Mon Sep 17 00:00:00 2001
From: Nicolas Meienberger <github@thisprops.com>
Date: Fri, 17 Oct 2025 22:22:22 +0200
Subject: [PATCH] refactor(statfs): switch back to statfs but convert values
 for smb

---
 apps/client/app/components/layout.tsx         |  2 +-
 apps/server/src/core/constants.ts             |  2 +-
 .../src/modules/volumes/volume.service.ts     |  2 +-
 apps/server/src/utils/mountinfo.ts            | 31 ++++++++++++-------
 docker-compose.yml                            |  4 +--
 5 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/apps/client/app/components/layout.tsx b/apps/client/app/components/layout.tsx
index 43a09f2..716f09f 100644
--- a/apps/client/app/components/layout.tsx
+++ b/apps/client/app/components/layout.tsx
@@ -41,7 +41,7 @@ export default function Layout({ loaderData }: Route.ComponentProps) {
 							<span className="text-sm text-muted-foreground">
 								Welcome, <span className="text-strong-accent">{loaderData.user?.username}</span>
 							</span>
-							<Button variant="outline" size="sm" onClick={() => logout.mutate({})} loading={logout.isPending}>
+							<Button variant="default" size="sm" onClick={() => logout.mutate({})} loading={logout.isPending}>
 								Logout
 							</Button>
 							<Button variant="default" size="sm" className="relative overflow-hidden">
diff --git a/apps/server/src/core/constants.ts b/apps/server/src/core/constants.ts
index 4ffc226..1776f7c 100644
--- a/apps/server/src/core/constants.ts
+++ b/apps/server/src/core/constants.ts
@@ -1,4 +1,4 @@
 export const OPERATION_TIMEOUT = 5000;
-export const VOLUME_MOUNT_BASE = "/var/lib/docker/volumes/ironmount";
+export const VOLUME_MOUNT_BASE = "/var/lib/ironmount/volumes";
 export const DATABASE_URL = "/data/ironmount.db";
 export const RESTIC_PASS_FILE = "/data/secrets/restic.pass";
diff --git a/apps/server/src/modules/volumes/volume.service.ts b/apps/server/src/modules/volumes/volume.service.ts
index 42decc0..6997a87 100644
--- a/apps/server/src/modules/volumes/volume.service.ts
+++ b/apps/server/src/modules/volumes/volume.service.ts
@@ -120,7 +120,7 @@ const getVolume = async (name: string) => {
 
 	let statfs: Partial<StatFs> = {};
 	if (volume.status === "mounted") {
-		statfs = (await getStatFs(`${VOLUME_MOUNT_BASE}/${name}/_data`).catch(() => {})) ?? {};
+		statfs = await getStatFs(`${VOLUME_MOUNT_BASE}/${name}/_data`).catch(() => ({}));
 	}
 
 	return { volume, statfs };
diff --git a/apps/server/src/utils/mountinfo.ts b/apps/server/src/utils/mountinfo.ts
index c51e0ca..1719959 100644
--- a/apps/server/src/utils/mountinfo.ts
+++ b/apps/server/src/utils/mountinfo.ts
@@ -1,5 +1,5 @@
-import path from "node:path";
 import fs from "node:fs/promises";
+import path from "node:path";
 import { $ } from "bun";
 
 type MountInfo = {
@@ -60,18 +60,27 @@ export async function getMountForPath(p: string): Promise<MountInfo | undefined>
 }
 
 export async function getStatFs(mountPoint: string) {
-	const res = await $`df -Pk ${mountPoint}`.text();
+	const s = await fs.statfs(mountPoint, { bigint: true });
 
-	const lines = res.trim().split("\n");
-	if (lines.length < 2) {
-		throw new Error(`Unexpected df output: ${res}`);
-	}
+	const unit = s.bsize > 0n ? s.bsize : 1n;
 
-	const parts = lines.at(-1)?.trim().split(/\s+/) as [string, string, string, string, string, string];
+	const blocks = s.blocks > 0n ? s.blocks : 0n;
 
-	const total = Number(parts[1]) * 1024;
-	const used = Number(parts[2]) * 1024;
-	const free = Number(parts[3]) * 1024;
+	let bfree = s.bfree > 0n ? s.bfree : 0n;
+	if (bfree > blocks) bfree = blocks;
 
-	return { total, used, free };
+	const bavail = s.bavail > 0n ? s.bavail : 0n;
+
+	const totalB = blocks * unit;
+	const usedB = (blocks - bfree) * unit;
+	const freeB = bavail * unit;
+
+	const MAX = BigInt(Number.MAX_SAFE_INTEGER);
+	const toNumber = (x: bigint) => (x > MAX ? Number.MAX_SAFE_INTEGER : Number(x));
+
+	return {
+		total: toNumber(totalB),
+		used: toNumber(usedB),
+		free: toNumber(freeB),
+	};
 }
diff --git a/docker-compose.yml b/docker-compose.yml
index 470e13b..f050250 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -17,7 +17,7 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
       - /run/docker/plugins:/run/docker/plugins
-      - /var/lib/docker/volumes/:/var/lib/docker/volumes:rshared
+      - /var/lib/ironmount/volumes/:/var/lib/ironmount/volumes:rshared
       - ironmount_data:/data
 
       - ./apps/client/app:/app/apps/client/app
@@ -39,7 +39,7 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
       - /run/docker/plugins:/run/docker/plugins
-      - /var/lib/docker/volumes/:/var/lib/docker/volumes:rshared
+      - /var/lib/ironmount/volumes/:/var/lib/ironmount/volumes:rshared
       - ironmount_data:/data
 
 volumes: