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proxmox-sys: split xattr code into extra file

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Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
This commit is contained in:
Dietmar Maurer 2021-11-22 13:36:55 +01:00
parent d0b7e1e299
commit 92caf51634
3 changed files with 42 additions and 40 deletions
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39
proxmox-sys/src/fs/fsx_attr.rs Normal file
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@ -0,0 +1,39 @@
// /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, libc::c_long);
nix::ioctl_write_ptr!(write_attr_fd, b'f', 2, libc::c_long);
// /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);
nix::ioctl_write_ptr!(write_fat_attr_fd, b'r', 0x11, u32);
// From /usr/include/linux/fs.h
// #define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr)
// #define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr)
nix::ioctl_read!(fs_ioc_fsgetxattr, b'X', 31, FSXAttr);
nix::ioctl_write_ptr!(fs_ioc_fssetxattr, b'X', 32, FSXAttr);
#[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],
}
}
}

3
proxmox-sys/src/fs/mod.rs
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@ -18,6 +18,9 @@ pub use dir::*;
mod read_dir; mod read_dir;
pub use read_dir::*; pub use read_dir::*;
mod fsx_attr;
pub use fsx_attr::*;
/// Change ownership of an open file handle /// Change ownership of an open file handle
pub fn fchown(fd: RawFd, owner: Option<Uid>, group: Option<Gid>) -> Result<(), Error> { pub fn fchown(fd: RawFd, owner: Option<Uid>, group: Option<Gid>) -> Result<(), Error> {
// According to the POSIX specification, -1 is used to indicate that owner and group // According to the POSIX specification, -1 is used to indicate that owner and group

40
proxmox-sys/src/fs/read_dir.rs
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@ -258,46 +258,6 @@ where
} }
} }
// /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, libc::c_long);
nix::ioctl_write_ptr!(write_attr_fd, b'f', 2, libc::c_long);
// /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);
nix::ioctl_write_ptr!(write_fat_attr_fd, b'r', 0x11, u32);
// From /usr/include/linux/fs.h
// #define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr)
// #define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr)
nix::ioctl_read!(fs_ioc_fsgetxattr, b'X', 31, FSXAttr);
nix::ioctl_write_ptr!(fs_ioc_fssetxattr, b'X', 32, FSXAttr);
#[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],
}
}
}
/// Attempt to acquire a shared flock on the given path, 'what' and /// Attempt to acquire a shared flock on the given path, 'what' and
/// 'would_block_message' are used for error formatting. /// 'would_block_message' are used for error formatting.
pub fn lock_dir_noblock_shared( pub fn lock_dir_noblock_shared(