[[["เข้าใจง่าย","easyToUnderstand","thumb-up"],["แก้ปัญหาของฉันได้","solvedMyProblem","thumb-up"],["อื่นๆ","otherUp","thumb-up"]],[["ไม่มีข้อมูลที่ฉันต้องการ","missingTheInformationINeed","thumb-down"],["ซับซ้อนเกินไป/มีหลายขั้นตอนมากเกินไป","tooComplicatedTooManySteps","thumb-down"],["ล้าสมัย","outOfDate","thumb-down"],["ปัญหาเกี่ยวกับการแปล","translationIssue","thumb-down"],["ตัวอย่าง/ปัญหาเกี่ยวกับโค้ด","samplesCodeIssue","thumb-down"],["อื่นๆ","otherDown","thumb-down"]],["อัปเดตล่าสุด 2025-07-27 UTC"],[],[],null,["# Android kernel file system support\n\nWhile there are a large number of file systems with implementations in the Linux\nKernel, many haven't been approved for production use in Android, and are not\nsupported in Android.\n\nAndroid's test infrastructure, OTA mechanisms, update processes, and privacy\nrequirements depend on specific file system support. Not all file\nsystems are suitable for use on Android devices.\n\nFor example, Android requires support for file-based encryption through\n`fscrypt` and file-based authentication through `fsverity`, so file systems that\ndon't support `fscrypt` or `fsverity` aren't suitable for production use.\n\nLow level file system support\n-----------------------------\n\nBeginning with Android 13, userspace only works with file\nsystems built into the GKI. Shipping a file system that doesn't have support\nfrom Google's kernel team can leave users vulnerable to security issues and\nisn't recommended.\n\nThe Android kernel team continues taking fixes for all file systems by\nsnapping to upstream Long Term Support (LTS) kernels. However, the following\nfile systems receive more frequent patches through the Android security\npatch release schedule:\n\n- `exfat` (supported in kernel 5.10 and later)\n- `ext4`\n- `f2fs`\n- `fuse`\n- `incfs`\n- `Vfat`\n- `EROFS`\n\nThe following file system is deprecated and has limited support:\n\n- `sdcardfs` (only supported in kernel 4.14 and earlier)\n\nVirtual file system support\n---------------------------\n\nIn general, virtual file systems, including the following, are supported.\n\n- `debugfs`\n- `overlayfs`\n- `procfs`\n- `sysfs`\n- `tmpfs`\n- `tracefs`\n\n| **Note:** Though `debugfs` is supported, as of Android 11, it's not mounted by default. If a user or device initiates a bug report, it's temporarily mounted to generate that report.\n\nRequest support for a new file system\n-------------------------------------\n\nIf you want to use a file system that isn't listed here, file a feature request\nin the [Android Issue Tracker](/docs/setup/contribute/report-bugs), then contact\n[kernel-team@android.com](mailto:kernel-team@android.com) to discuss your needs."]]
