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turn pxar::flags into bitflags, pxar::Flags

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller
2020-06-10 11:03:42 +02:00
parent d4f2397d4c
commit 5444fa940b
10 changed files with 380 additions and 367 deletions
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611
src/pxar/flags.rs
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@ -3,317 +3,332 @@
//! Flags for known supported features for a given filesystem can be derived
//! from the superblocks magic number.
// FIXME: use bitflags!() here!
use bitflags::bitflags;
/// FAT-style 2s time granularity
pub const WITH_2SEC_TIME: u64 = 0x40;
/// Preserve read only flag of files
pub const WITH_READ_ONLY: u64 = 0x80;
/// Preserve unix permissions
pub const WITH_PERMISSIONS: u64 = 0x100;
/// Include symbolik links
pub const WITH_SYMLINKS: u64 = 0x200;
/// Include device nodes
pub const WITH_DEVICE_NODES: u64 = 0x400;
/// Include FIFOs
pub const WITH_FIFOS: u64 = 0x800;
/// Include Sockets
pub const WITH_SOCKETS: u64 = 0x1000;
bitflags! {
pub struct Flags: u64 {
/// FAT-style 2s time granularity
const WITH_2SEC_TIME = 0x40;
/// Preserve read only flag of files
const WITH_READ_ONLY = 0x80;
/// Preserve unix permissions
const WITH_PERMISSIONS = 0x100;
/// Include symbolik links
const WITH_SYMLINKS = 0x200;
/// Include device nodes
const WITH_DEVICE_NODES = 0x400;
/// Include FIFOs
const WITH_FIFOS = 0x800;
/// Include Sockets
const WITH_SOCKETS = 0x1000;
/// Preserve DOS file flag `HIDDEN`
pub const WITH_FLAG_HIDDEN: u64 = 0x2000;
/// Preserve DOS file flag `SYSTEM`
pub const WITH_FLAG_SYSTEM: u64 = 0x4000;
/// Preserve DOS file flag `ARCHIVE`
pub const WITH_FLAG_ARCHIVE: u64 = 0x8000;
/// Preserve DOS file flag `HIDDEN`
const WITH_FLAG_HIDDEN = 0x2000;
/// Preserve DOS file flag `SYSTEM`
const WITH_FLAG_SYSTEM = 0x4000;
/// Preserve DOS file flag `ARCHIVE`
const WITH_FLAG_ARCHIVE = 0x8000;
// chattr() flags
/// Linux file attribute `APPEND`
pub const WITH_FLAG_APPEND: u64 = 0x10000;
/// Linux file attribute `NOATIME`
pub const WITH_FLAG_NOATIME: u64 = 0x20000;
/// Linux file attribute `COMPR`
pub const WITH_FLAG_COMPR: u64 = 0x40000;
/// Linux file attribute `NOCOW`
pub const WITH_FLAG_NOCOW: u64 = 0x80000;
/// Linux file attribute `NODUMP`
pub const WITH_FLAG_NODUMP: u64 = 0x0010_0000;
/// Linux file attribute `DIRSYNC`
pub const WITH_FLAG_DIRSYNC: u64 = 0x0020_0000;
/// Linux file attribute `IMMUTABLE`
pub const WITH_FLAG_IMMUTABLE: u64 = 0x0040_0000;
/// Linux file attribute `SYNC`
pub const WITH_FLAG_SYNC: u64 = 0x0080_0000;
/// Linux file attribute `NOCOMP`
pub const WITH_FLAG_NOCOMP: u64 = 0x0100_0000;
/// Linux file attribute `PROJINHERIT`
pub const WITH_FLAG_PROJINHERIT: u64 = 0x0200_0000;
// chattr() flags
/// Linux file attribute `APPEND`
const WITH_FLAG_APPEND = 0x10000;
/// Linux file attribute `NOATIME`
const WITH_FLAG_NOATIME = 0x20000;
/// Linux file attribute `COMPR`
const WITH_FLAG_COMPR = 0x40000;
/// Linux file attribute `NOCOW`
const WITH_FLAG_NOCOW = 0x80000;
/// Linux file attribute `NODUMP`
const WITH_FLAG_NODUMP = 0x0010_0000;
/// Linux file attribute `DIRSYNC`
const WITH_FLAG_DIRSYNC = 0x0020_0000;
/// Linux file attribute `IMMUTABLE`
const WITH_FLAG_IMMUTABLE = 0x0040_0000;
/// Linux file attribute `SYNC`
const WITH_FLAG_SYNC = 0x0080_0000;
/// Linux file attribute `NOCOMP`
const WITH_FLAG_NOCOMP = 0x0100_0000;
/// Linux file attribute `PROJINHERIT`
const WITH_FLAG_PROJINHERIT = 0x0200_0000;
/// Preserve BTRFS subvolume flag
pub const WITH_SUBVOLUME: u64 = 0x0400_0000;
/// Preserve BTRFS read-only subvolume flag
pub const WITH_SUBVOLUME_RO: u64 = 0x0800_0000;
/// Preserve BTRFS subvolume flag
const WITH_SUBVOLUME = 0x0400_0000;
/// Preserve BTRFS read-only subvolume flag
const WITH_SUBVOLUME_RO = 0x0800_0000;
/// Preserve Extended Attribute metadata
pub const WITH_XATTRS: u64 = 0x1000_0000;
/// Preserve Access Control List metadata
pub const WITH_ACL: u64 = 0x2000_0000;
/// Preserve SELinux security context
pub const WITH_SELINUX: u64 = 0x4000_0000;
/// Preserve "security.capability" xattr
pub const WITH_FCAPS: u64 = 0x8000_0000;
/// Preserve Extended Attribute metadata
const WITH_XATTRS = 0x1000_0000;
/// Preserve Access Control List metadata
const WITH_ACL = 0x2000_0000;
/// Preserve SELinux security context
const WITH_SELINUX = 0x4000_0000;
/// Preserve "security.capability" xattr
const WITH_FCAPS = 0x8000_0000;
/// Preserve XFS/ext4/ZFS project quota ID
pub const WITH_QUOTA_PROJID: u64 = 0x0001_0000_0000;
/// Preserve XFS/ext4/ZFS project quota ID
const WITH_QUOTA_PROJID = 0x0001_0000_0000;
/// Support ".pxarexclude" files
pub const EXCLUDE_FILE: u64 = 0x1000_0000_0000_0000;
/// Exclude submounts
pub const EXCLUDE_SUBMOUNTS: u64 = 0x4000_0000_0000_0000;
/// Exclude entries with chattr flag NODUMP
pub const EXCLUDE_NODUMP: u64 = 0x8000_0000_0000_0000;
/// Support ".pxarexclude" files
const EXCLUDE_FILE = 0x1000_0000_0000_0000;
/// Exclude submounts
const EXCLUDE_SUBMOUNTS = 0x4000_0000_0000_0000;
/// Exclude entries with chattr flag NODUMP
const EXCLUDE_NODUMP = 0x8000_0000_0000_0000;
/// Definitions of typical feature flags for the *pxar* encoder/decoder.
/// By this expensive syscalls for unsupported features are avoided.
// Definitions of typical feature flags for the *pxar* encoder/decoder.
// By this expensive syscalls for unsupported features are avoided.
/// All chattr file attributes
pub const WITH_CHATTR: u64 =
WITH_FLAG_APPEND|
WITH_FLAG_NOATIME|
WITH_FLAG_COMPR|
WITH_FLAG_NOCOW|
WITH_FLAG_NODUMP|
WITH_FLAG_DIRSYNC|
WITH_FLAG_IMMUTABLE|
WITH_FLAG_SYNC|
WITH_FLAG_NOCOMP|
WITH_FLAG_PROJINHERIT;
/// All chattr file attributes
const WITH_CHATTR =
Flags::WITH_FLAG_APPEND.bits() |
Flags::WITH_FLAG_NOATIME.bits() |
Flags::WITH_FLAG_COMPR.bits() |
Flags::WITH_FLAG_NOCOW.bits() |
Flags::WITH_FLAG_NODUMP.bits() |
Flags::WITH_FLAG_DIRSYNC.bits() |
Flags::WITH_FLAG_IMMUTABLE.bits() |
Flags::WITH_FLAG_SYNC.bits() |
Flags::WITH_FLAG_NOCOMP.bits() |
Flags::WITH_FLAG_PROJINHERIT.bits();
/// All FAT file attributes
pub const WITH_FAT_ATTRS: u64 =
WITH_FLAG_HIDDEN|
WITH_FLAG_SYSTEM|
WITH_FLAG_ARCHIVE;
/// All FAT file attributes
const WITH_FAT_ATTRS =
Flags::WITH_FLAG_HIDDEN.bits() |
Flags::WITH_FLAG_SYSTEM.bits() |
Flags::WITH_FLAG_ARCHIVE.bits();
/// All bits that may also be exposed via fuse
pub const WITH_FUSE: u64 =
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_FAT_ATTRS|
WITH_CHATTR|
WITH_XATTRS;
/// All bits that may also be exposed via fuse
const WITH_FUSE =
Flags::WITH_2SEC_TIME.bits() |
Flags::WITH_READ_ONLY.bits() |
Flags::WITH_PERMISSIONS.bits() |
Flags::WITH_SYMLINKS.bits() |
Flags::WITH_DEVICE_NODES.bits() |
Flags::WITH_FIFOS.bits() |
Flags::WITH_SOCKETS.bits() |
Flags::WITH_FAT_ATTRS.bits() |
Flags::WITH_CHATTR.bits() |
Flags::WITH_XATTRS.bits();
/// Default feature flags for encoder/decoder
pub const DEFAULT: u64 =
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_FLAG_HIDDEN|
WITH_FLAG_SYSTEM|
WITH_FLAG_ARCHIVE|
WITH_FLAG_APPEND|
WITH_FLAG_NOATIME|
WITH_FLAG_COMPR|
WITH_FLAG_NOCOW|
//WITH_FLAG_NODUMP|
WITH_FLAG_DIRSYNC|
WITH_FLAG_IMMUTABLE|
WITH_FLAG_SYNC|
WITH_FLAG_NOCOMP|
WITH_FLAG_PROJINHERIT|
WITH_SUBVOLUME|
WITH_SUBVOLUME_RO|
WITH_XATTRS|
WITH_ACL|
WITH_SELINUX|
WITH_FCAPS|
WITH_QUOTA_PROJID|
EXCLUDE_NODUMP|
EXCLUDE_FILE;
// form /usr/include/linux/fs.h
const FS_APPEND_FL: u32 = 0x0000_0020;
const FS_NOATIME_FL: u32 = 0x0000_0080;
const FS_COMPR_FL: u32 = 0x0000_0004;
const FS_NOCOW_FL: u32 = 0x0080_0000;
const FS_NODUMP_FL: u32 = 0x0000_0040;
const FS_DIRSYNC_FL: u32 = 0x0001_0000;
const FS_IMMUTABLE_FL: u32 = 0x0000_0010;
const FS_SYNC_FL: u32 = 0x0000_0008;
const FS_NOCOMP_FL: u32 = 0x0000_0400;
const FS_PROJINHERIT_FL: u32 = 0x2000_0000;
static CHATTR_MAP: [(u64, u32); 10] = [
( WITH_FLAG_APPEND, FS_APPEND_FL ),
( WITH_FLAG_NOATIME, FS_NOATIME_FL ),
( WITH_FLAG_COMPR, FS_COMPR_FL ),
( WITH_FLAG_NOCOW, FS_NOCOW_FL ),
( WITH_FLAG_NODUMP, FS_NODUMP_FL ),
( WITH_FLAG_DIRSYNC, FS_DIRSYNC_FL ),
( WITH_FLAG_IMMUTABLE, FS_IMMUTABLE_FL ),
( WITH_FLAG_SYNC, FS_SYNC_FL ),
( WITH_FLAG_NOCOMP, FS_NOCOMP_FL ),
( WITH_FLAG_PROJINHERIT, FS_PROJINHERIT_FL ),
];
pub fn feature_flags_from_chattr(attr: u32) -> u64 {
let mut flags = 0u64;
for (fe_flag, fs_flag) in &CHATTR_MAP {
if (attr & fs_flag) != 0 { flags |= fe_flag; }
}
flags
}
// from /usr/include/linux/msdos_fs.h
const ATTR_HIDDEN: u32 = 2;
const ATTR_SYS: u32 = 4;
const ATTR_ARCH: u32 = 32;
static FAT_ATTR_MAP: [(u64, u32); 3] = [
( WITH_FLAG_HIDDEN, ATTR_HIDDEN ),
( WITH_FLAG_SYSTEM, ATTR_SYS ),
( WITH_FLAG_ARCHIVE, ATTR_ARCH ),
];
pub fn feature_flags_from_fat_attr(attr: u32) -> u64 {
let mut flags = 0u64;
for (fe_flag, fs_flag) in &FAT_ATTR_MAP {
if (attr & fs_flag) != 0 { flags |= fe_flag; }
}
flags
}
/// Return the supported *pxar* feature flags based on the magic number of the filesystem.
pub fn feature_flags_from_magic(magic: i64) -> u64 {
use proxmox::sys::linux::magic::*;
match magic {
MSDOS_SUPER_MAGIC => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_FAT_ATTRS
},
EXT4_SUPER_MAGIC => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_FLAG_APPEND|
WITH_FLAG_NOATIME|
WITH_FLAG_NODUMP|
WITH_FLAG_DIRSYNC|
WITH_FLAG_IMMUTABLE|
WITH_FLAG_SYNC|
WITH_XATTRS|
WITH_ACL|
WITH_SELINUX|
WITH_FCAPS|
WITH_QUOTA_PROJID
},
XFS_SUPER_MAGIC => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_FLAG_APPEND|
WITH_FLAG_NOATIME|
WITH_FLAG_NODUMP|
WITH_FLAG_IMMUTABLE|
WITH_FLAG_SYNC|
WITH_XATTRS|
WITH_ACL|
WITH_SELINUX|
WITH_FCAPS|
WITH_QUOTA_PROJID
},
ZFS_SUPER_MAGIC => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_FLAG_APPEND|
WITH_FLAG_NOATIME|
WITH_FLAG_NODUMP|
WITH_FLAG_DIRSYNC|
WITH_FLAG_IMMUTABLE|
WITH_FLAG_SYNC|
WITH_XATTRS|
WITH_ACL|
WITH_SELINUX|
WITH_FCAPS|
WITH_QUOTA_PROJID
},
BTRFS_SUPER_MAGIC => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_FLAG_APPEND|
WITH_FLAG_NOATIME|
WITH_FLAG_COMPR|
WITH_FLAG_NOCOW|
WITH_FLAG_NODUMP|
WITH_FLAG_DIRSYNC|
WITH_FLAG_IMMUTABLE|
WITH_FLAG_SYNC|
WITH_FLAG_NOCOMP|
WITH_XATTRS|
WITH_ACL|
WITH_SELINUX|
WITH_SUBVOLUME|
WITH_SUBVOLUME_RO|
WITH_FCAPS
},
TMPFS_MAGIC => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS|
WITH_ACL|
WITH_SELINUX
},
// FUSE mounts are special as the supported feature set
// is not clear a priori.
FUSE_SUPER_MAGIC => {
WITH_FUSE
},
_ => {
WITH_2SEC_TIME|
WITH_READ_ONLY|
WITH_PERMISSIONS|
WITH_SYMLINKS|
WITH_DEVICE_NODES|
WITH_FIFOS|
WITH_SOCKETS
},
/// Default feature flags for encoder/decoder
const DEFAULT =
Flags::WITH_SYMLINKS.bits() |
Flags::WITH_DEVICE_NODES.bits() |
Flags::WITH_FIFOS.bits() |
Flags::WITH_SOCKETS.bits() |
Flags::WITH_FLAG_HIDDEN.bits() |
Flags::WITH_FLAG_SYSTEM.bits() |
Flags::WITH_FLAG_ARCHIVE.bits() |
Flags::WITH_FLAG_APPEND.bits() |
Flags::WITH_FLAG_NOATIME.bits() |
Flags::WITH_FLAG_COMPR.bits() |
Flags::WITH_FLAG_NOCOW.bits() |
//WITH_FLAG_NODUMP.bits() |
Flags::WITH_FLAG_DIRSYNC.bits() |
Flags::WITH_FLAG_IMMUTABLE.bits() |
Flags::WITH_FLAG_SYNC.bits() |
Flags::WITH_FLAG_NOCOMP.bits() |
Flags::WITH_FLAG_PROJINHERIT.bits() |
Flags::WITH_SUBVOLUME.bits() |
Flags::WITH_SUBVOLUME_RO.bits() |
Flags::WITH_XATTRS.bits() |
Flags::WITH_ACL.bits() |
Flags::WITH_SELINUX.bits() |
Flags::WITH_FCAPS.bits() |
Flags::WITH_QUOTA_PROJID.bits() |
Flags::EXCLUDE_NODUMP.bits() |
Flags::EXCLUDE_FILE.bits();
}
}
impl Default for Flags {
fn default() -> Flags {
Flags::DEFAULT
}
}
impl Flags {
/// Get a set of feature flags from file attributes.
pub fn from_chattr(attr: u32) -> Flags {
// form /usr/include/linux/fs.h
const FS_APPEND_FL: u32 = 0x0000_0020;
const FS_NOATIME_FL: u32 = 0x0000_0080;
const FS_COMPR_FL: u32 = 0x0000_0004;
const FS_NOCOW_FL: u32 = 0x0080_0000;
const FS_NODUMP_FL: u32 = 0x0000_0040;
const FS_DIRSYNC_FL: u32 = 0x0001_0000;
const FS_IMMUTABLE_FL: u32 = 0x0000_0010;
const FS_SYNC_FL: u32 = 0x0000_0008;
const FS_NOCOMP_FL: u32 = 0x0000_0400;
const FS_PROJINHERIT_FL: u32 = 0x2000_0000;
const CHATTR_MAP: [(Flags, u32); 10] = [
( Flags::WITH_FLAG_APPEND, FS_APPEND_FL ),
( Flags::WITH_FLAG_NOATIME, FS_NOATIME_FL ),
( Flags::WITH_FLAG_COMPR, FS_COMPR_FL ),
( Flags::WITH_FLAG_NOCOW, FS_NOCOW_FL ),
( Flags::WITH_FLAG_NODUMP, FS_NODUMP_FL ),
( Flags::WITH_FLAG_DIRSYNC, FS_DIRSYNC_FL ),
( Flags::WITH_FLAG_IMMUTABLE, FS_IMMUTABLE_FL ),
( Flags::WITH_FLAG_SYNC, FS_SYNC_FL ),
( Flags::WITH_FLAG_NOCOMP, FS_NOCOMP_FL ),
( Flags::WITH_FLAG_PROJINHERIT, FS_PROJINHERIT_FL ),
];
let mut flags = Flags::empty();
for (fe_flag, fs_flag) in &CHATTR_MAP {
if (attr & fs_flag) != 0 {
flags |= *fe_flag;
}
}
flags
}
/// Get a set of feature flags from FAT attributes.
pub fn from_fat_attr(attr: u32) -> Flags {
// from /usr/include/linux/msdos_fs.h
const ATTR_HIDDEN: u32 = 2;
const ATTR_SYS: u32 = 4;
const ATTR_ARCH: u32 = 32;
const FAT_ATTR_MAP: [(Flags, u32); 3] = [
( Flags::WITH_FLAG_HIDDEN, ATTR_HIDDEN ),
( Flags::WITH_FLAG_SYSTEM, ATTR_SYS ),
( Flags::WITH_FLAG_ARCHIVE, ATTR_ARCH ),
];
let mut flags = Flags::empty();
for (fe_flag, fs_flag) in &FAT_ATTR_MAP {
if (attr & fs_flag) != 0 {
flags |= *fe_flag;
}
}
flags
}
/// Return the supported *pxar* feature flags based on the magic number of the filesystem.
pub fn from_magic(magic: i64) -> Flags {
use proxmox::sys::linux::magic::*;
match magic {
MSDOS_SUPER_MAGIC => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_FAT_ATTRS
},
EXT4_SUPER_MAGIC => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_PERMISSIONS |
Flags::WITH_SYMLINKS |
Flags::WITH_DEVICE_NODES |
Flags::WITH_FIFOS |
Flags::WITH_SOCKETS |
Flags::WITH_FLAG_APPEND |
Flags::WITH_FLAG_NOATIME |
Flags::WITH_FLAG_NODUMP |
Flags::WITH_FLAG_DIRSYNC |
Flags::WITH_FLAG_IMMUTABLE |
Flags::WITH_FLAG_SYNC |
Flags::WITH_XATTRS |
Flags::WITH_ACL |
Flags::WITH_SELINUX |
Flags::WITH_FCAPS |
Flags::WITH_QUOTA_PROJID
},
XFS_SUPER_MAGIC => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_PERMISSIONS |
Flags::WITH_SYMLINKS |
Flags::WITH_DEVICE_NODES |
Flags::WITH_FIFOS |
Flags::WITH_SOCKETS |
Flags::WITH_FLAG_APPEND |
Flags::WITH_FLAG_NOATIME |
Flags::WITH_FLAG_NODUMP |
Flags::WITH_FLAG_IMMUTABLE |
Flags::WITH_FLAG_SYNC |
Flags::WITH_XATTRS |
Flags::WITH_ACL |
Flags::WITH_SELINUX |
Flags::WITH_FCAPS |
Flags::WITH_QUOTA_PROJID
},
ZFS_SUPER_MAGIC => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_PERMISSIONS |
Flags::WITH_SYMLINKS |
Flags::WITH_DEVICE_NODES |
Flags::WITH_FIFOS |
Flags::WITH_SOCKETS |
Flags::WITH_FLAG_APPEND |
Flags::WITH_FLAG_NOATIME |
Flags::WITH_FLAG_NODUMP |
Flags::WITH_FLAG_DIRSYNC |
Flags::WITH_FLAG_IMMUTABLE |
Flags::WITH_FLAG_SYNC |
Flags::WITH_XATTRS |
Flags::WITH_ACL |
Flags::WITH_SELINUX |
Flags::WITH_FCAPS |
Flags::WITH_QUOTA_PROJID
},
BTRFS_SUPER_MAGIC => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_PERMISSIONS |
Flags::WITH_SYMLINKS |
Flags::WITH_DEVICE_NODES |
Flags::WITH_FIFOS |
Flags::WITH_SOCKETS |
Flags::WITH_FLAG_APPEND |
Flags::WITH_FLAG_NOATIME |
Flags::WITH_FLAG_COMPR |
Flags::WITH_FLAG_NOCOW |
Flags::WITH_FLAG_NODUMP |
Flags::WITH_FLAG_DIRSYNC |
Flags::WITH_FLAG_IMMUTABLE |
Flags::WITH_FLAG_SYNC |
Flags::WITH_FLAG_NOCOMP |
Flags::WITH_XATTRS |
Flags::WITH_ACL |
Flags::WITH_SELINUX |
Flags::WITH_SUBVOLUME |
Flags::WITH_SUBVOLUME_RO |
Flags::WITH_FCAPS
},
TMPFS_MAGIC => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_PERMISSIONS |
Flags::WITH_SYMLINKS |
Flags::WITH_DEVICE_NODES |
Flags::WITH_FIFOS |
Flags::WITH_SOCKETS |
Flags::WITH_ACL |
Flags::WITH_SELINUX
},
// FUSE mounts are special as the supported feature set
// is not clear a priori.
FUSE_SUPER_MAGIC => {
Flags::WITH_FUSE
},
_ => {
Flags::WITH_2SEC_TIME |
Flags::WITH_READ_ONLY |
Flags::WITH_PERMISSIONS |
Flags::WITH_SYMLINKS |
Flags::WITH_DEVICE_NODES |
Flags::WITH_FIFOS |
Flags::WITH_SOCKETS
},
}
}
}