use proxmox::tools::fd::RawFdNum;
use crate::pxar::catalog::BackupCatalogWriter;
-use crate::pxar::flags;
+use crate::pxar::Flags;
use crate::pxar::tools::assert_single_path_component;
use crate::tools::{acl, fs, xattr, Fd};
}
struct Archiver<'a, 'b> {
- /// FIXME: use bitflags!() for feature_flags
- feature_flags: u64,
- fs_feature_flags: u64,
+ feature_flags: Flags,
+ fs_feature_flags: Flags,
fs_magic: i64,
patterns: &'a [MatchEntry],
callback: &'a mut dyn FnMut(&Path) -> Result<(), Error>,
source_dir: Dir,
mut writer: T,
mut patterns: Vec<MatchEntry>,
- feature_flags: u64,
+ feature_flags: Flags,
mut device_set: Option<HashSet<u64>>,
skip_lost_and_found: bool,
mut callback: F,
bail!("refusing to backup a virtual file system");
}
- let fs_feature_flags = flags::feature_flags_from_magic(fs_magic);
+ let fs_feature_flags = Flags::from_magic(fs_magic);
let stat = nix::sys::stat::fstat(source_dir.as_raw_fd())?;
let metadata = get_metadata(
}
impl<'a, 'b> Archiver<'a, 'b> {
- fn flags(&self) -> u64 {
+ /// Get the currently effective feature flags. (Requested flags masked by the file system
+ /// feature flags).
+ fn flags(&self) -> Flags {
self.feature_flags & self.fs_feature_flags
}
let mut skip_contents = false;
if old_st_dev != stat.st_dev {
self.fs_magic = detect_fs_type(dir.as_raw_fd())?;
- self.fs_feature_flags = flags::feature_flags_from_magic(self.fs_magic);
+ self.fs_feature_flags = Flags::from_magic(self.fs_magic);
self.current_st_dev = stat.st_dev;
if is_virtual_file_system(self.fs_magic) {
}
}
-fn get_metadata(fd: RawFd, stat: &FileStat, flags: u64, fs_magic: i64) -> Result<Metadata, Error> {
+fn get_metadata(fd: RawFd, stat: &FileStat, flags: Flags, fs_magic: i64) -> Result<Metadata, Error> {
// required for some of these
let proc_path = Path::new("/proc/self/fd/").join(fd.to_string());
}
}
-fn get_fcaps(meta: &mut Metadata, fd: RawFd, flags: u64) -> Result<(), Error> {
- if 0 == (flags & flags::WITH_FCAPS) {
+fn get_fcaps(meta: &mut Metadata, fd: RawFd, flags: Flags) -> Result<(), Error> {
+ if flags.contains(Flags::WITH_FCAPS) {
return Ok(());
}
meta: &mut Metadata,
fd: RawFd,
proc_path: &Path,
- flags: u64,
+ flags: Flags,
) -> Result<(), Error> {
- if 0 == (flags & flags::WITH_XATTRS) {
+ if flags.contains(Flags::WITH_XATTRS) {
return Ok(());
}
Err(err) => bail!("failed to read file attributes: {}", err),
}
- metadata.stat.flags |= flags::feature_flags_from_chattr(attr as u32);
+ metadata.stat.flags |= Flags::from_chattr(attr as u32).bits();
Ok(())
}
Err(err) => bail!("failed to read fat attributes: {}", err),
}
- metadata.stat.flags |= flags::feature_flags_from_fat_attr(attr);
+ metadata.stat.flags |= Flags::from_fat_attr(attr).bits();
Ok(())
}
fn get_quota_project_id(
metadata: &mut Metadata,
fd: RawFd,
- flags: u64,
+ flags: Flags,
magic: i64,
) -> Result<(), Error> {
if !(metadata.is_dir() || metadata.is_regular_file()) {
return Ok(());
}
- if 0 == (flags & flags::WITH_QUOTA_PROJID) {
+ if flags.contains(Flags::WITH_QUOTA_PROJID) {
return Ok(());
}
Ok(())
}
-fn get_acl(metadata: &mut Metadata, proc_path: &Path, flags: u64) -> Result<(), Error> {
- if 0 == (flags & flags::WITH_ACL) {
+fn get_acl(metadata: &mut Metadata, proc_path: &Path, flags: Flags) -> Result<(), Error> {
+ if flags.contains(Flags::WITH_ACL) {
return Ok(());
}
//! 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;
+ /// 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();
+ }
+}
-// 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;
+impl Default for Flags {
+ fn default() -> Flags {
+ Flags::DEFAULT
+ }
+}
-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 ),
-];
+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;
-pub fn feature_flags_from_chattr(attr: u32) -> u64 {
+ 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 = 0u64;
+ let mut flags = Flags::empty();
- for (fe_flag, fs_flag) in &CHATTR_MAP {
- if (attr & fs_flag) != 0 { flags |= fe_flag; }
- }
+ for (fe_flag, fs_flag) in &CHATTR_MAP {
+ if (attr & fs_flag) != 0 {
+ flags |= *fe_flag;
+ }
+ }
- flags
-}
+ flags
+ }
-// from /usr/include/linux/msdos_fs.h
-const ATTR_HIDDEN: u32 = 2;
-const ATTR_SYS: u32 = 4;
-const ATTR_ARCH: u32 = 32;
+ /// 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;
-static FAT_ATTR_MAP: [(u64, u32); 3] = [
- ( WITH_FLAG_HIDDEN, ATTR_HIDDEN ),
- ( WITH_FLAG_SYSTEM, ATTR_SYS ),
- ( WITH_FLAG_ARCHIVE, ATTR_ARCH ),
-];
+ 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 ),
+ ];
-pub fn feature_flags_from_fat_attr(attr: u32) -> u64 {
+ let mut flags = Flags::empty();
- let mut flags = 0u64;
+ for (fe_flag, fs_flag) in &FAT_ATTR_MAP {
+ if (attr & fs_flag) != 0 {
+ flags |= *fe_flag;
+ }
+ }
- for (fe_flag, fs_flag) in &FAT_ATTR_MAP {
- if (attr & fs_flag) != 0 { flags |= fe_flag; }
+ flags
}
- 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
- },
+ /// 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
+ },
+ }
}
}
projects / proxmox-backup.git / commitdiff