snapshot of https://github.com/mattermost/mattermost.git (master, 2026-09-16; blobs > 131072B omitted)

server/channels/app/platform/disk_linux.go

@@ -0,0 +1,74 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+//go:build linux
+
+package platform
+
+import (
+	"errors"
+	"syscall"
+	"time"
+
+	"golang.org/x/sys/unix"
+)
+
+type diskInfo struct {
+	TotalMB        uint64
+	AvailableMB    uint64
+	FilesystemType string
+}
+
+var errDiskInfoTimeout = errors.New("timed out getting disk space info")
+
+func getDiskInfo(path string) (diskInfo, error) {
+	type result struct {
+		info diskInfo
+		err  error
+	}
+
+	ch := make(chan result, 1)
+	go func() {
+		var stat syscall.Statfs_t
+		if err := syscall.Statfs(path, &stat); err != nil {
+			ch <- result{err: err}
+			return
+		}
+		bsize := uint64(stat.Bsize)
+		ch <- result{info: diskInfo{
+			TotalMB:        stat.Blocks * bsize / (1024 * 1024),
+			AvailableMB:    stat.Bavail * bsize / (1024 * 1024),
+			FilesystemType: fsTypeToString(stat.Type),
+		}}
+	}()
+
+	select {
+	case r := <-ch:
+		return r.info, r.err
+	case <-time.After(5 * time.Second):
+		return diskInfo{}, errDiskInfoTimeout
+	}
+}
+
+func fsTypeToString(fsType int64) string {
+	switch fsType {
+	case unix.EXT4_SUPER_MAGIC:
+		return "ext4"
+	case unix.XFS_SUPER_MAGIC:
+		return "xfs"
+	case unix.NFS_SUPER_MAGIC:
+		return "nfs"
+	case unix.BTRFS_SUPER_MAGIC:
+		return "btrfs"
+	case unix.TMPFS_MAGIC:
+		return "tmpfs"
+	case unix.SMB_SUPER_MAGIC:
+		return "smb"
+	case unix.FUSE_SUPER_MAGIC:
+		return "fuse"
+	case unix.OVERLAYFS_SUPER_MAGIC:
+		return "overlay"
+	default:
+		return "unknown"
+	}
+}