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add proxmox/src/sys/linux/fs.rs

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This commit is contained in:
Dietmar Maurer 2020-03-02 13:59:39 +01:00
parent bff0791307
commit 21b9321cf8
2 changed files with 41 additions and 0 deletions
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1
proxmox/src/sys/linux.rs
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@ -6,6 +6,7 @@ pub mod magic;
pub mod pid; pub mod pid;
pub mod procfs; pub mod procfs;
pub mod tty; pub mod tty;
pub mod fs;
/// Get pseudo random data (/dev/urandom) /// Get pseudo random data (/dev/urandom)
pub fn random_data(size: usize) -> Result<Vec<u8>, Error> { pub fn random_data(size: usize) -> Result<Vec<u8>, Error> {

40
proxmox/src/sys/linux/fs.rs Normal file
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@ -0,0 +1,40 @@
//! File system syscall wrappers
// /usr/include/linux/fs.h: #define FS_IOC_GETFLAGS _IOR('f', 1, long)
/// Read Linux file system attributes (see man chattr)
nix::ioctl_read!(read_attr_fd, b'f', 1, usize);
// /usr/include/linux/msdos_fs.h: #define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32)
/// Read FAT file system attributes
nix::ioctl_read!(read_fat_attr_fd, b'r', 0x10, u32);
// From /usr/include/linux/fs.h
// #define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr)
nix::ioctl_read!(fs_ioc_fsgetxattr, b'X', 31, FSXAttr);
// #define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr)
nix::ioctl_write_ptr!(fs_ioc_fssetxattr, b'X', 32, FSXAttr);
/// Data structure for fsgetxattr and fssetxattr
#[repr(C)]
#[derive(Debug)]
pub struct FSXAttr {
pub fsx_xflags: u32,
pub fsx_extsize: u32,
pub fsx_nextents: u32,
pub fsx_projid: u32,
pub fsx_cowextsize: u32,
pub fsx_pad: [u8; 8],
}
impl Default for FSXAttr {
fn default() -> Self {
FSXAttr {
fsx_xflags: 0u32,
fsx_extsize: 0u32,
fsx_nextents: 0u32,
fsx_projid: 0u32,
fsx_cowextsize: 0u32,
fsx_pad: [0u8; 8],
}
}
}