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Made some minor improvements to syscall statx

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Signed-off-by: Zhenchen Wang <m202372036@hust.edu.cn>
This commit is contained in:
Zhenchen Wang 2025-04-23 16:33:20 +08:00 committed by Tate, Hongliang Tian
parent 9e729593e8
commit 3a5f270ee9
2 changed files with 51 additions and 28 deletions
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4
kernel/src/syscall/arch/riscv.rs
View File

@ -2,7 +2,7 @@
use crate::syscall::{ use crate::syscall::{
accept::{sys_accept, sys_accept4}, accept::{sys_accept, sys_accept4},
access::sys_faccessat, access::{sys_faccessat, sys_faccessat2},
bind::sys_bind, bind::sys_bind,
brk::sys_brk, brk::sys_brk,
capget::sys_capget, capget::sys_capget,
@ -296,5 +296,5 @@ impl_syscall_nums_and_dispatch_fn! {
SYS_UTIMENSAT = 412 => sys_utimensat(args[..4]); SYS_UTIMENSAT = 412 => sys_utimensat(args[..4]);
SYS_SEMTIMEDOP = 420 => sys_semtimedop(args[..4]); SYS_SEMTIMEDOP = 420 => sys_semtimedop(args[..4]);
SYS_CLONE3 = 435 => sys_clone3(args[..2], &user_ctx); SYS_CLONE3 = 435 => sys_clone3(args[..2], &user_ctx);
SYS_FACCESSAT2 = 439 => sys_faccessat2(arg[..4]); SYS_FACCESSAT2 = 439 => sys_faccessat2(args[..4]);
} }

75
kernel/src/syscall/statx.rs
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: MPL-2.0 // SPDX-License-Identifier: MPL-2.0
use ::core::time::Duration; use core::time::Duration;
use super::SyscallReturn; use super::SyscallReturn;
use crate::{ use crate::{
@ -174,12 +174,18 @@ bitflags! {
/// Flags can also be used to control what sort of synchronization the /// Flags can also be used to control what sort of synchronization the
/// kernel will do when querying a file on a remote filesystem. /// kernel will do when querying a file on a remote filesystem.
struct StatxFlags: u32 { struct StatxFlags: u32 {
const AT_EMPTY_PATH = 1 << 12; // Allow empty relative pathname to operate on dirfd directly. /// Allow empty relative pathname to operate on dirfd directly.
const AT_NO_AUTOMOUNT = 1 << 11; // Suppress terminal automount traversal. const AT_EMPTY_PATH = 1 << 12;
const AT_SYMLINK_NOFOLLOW = 1 << 8; // Do not follow symbolic links. /// Suppress terminal automount traversal.
const AT_STATX_SYNC_AS_STAT = 0; // Do whatever stat() does. const AT_NO_AUTOMOUNT = 1 << 11;
const AT_STATX_FORCE_SYNC = 1 << 13; // Force the attributes to be sync'd with the server. /// Do not follow symbolic links.
const AT_STATX_DONT_SYNC = 1 << 14; // Don't sync attributes with the server. const AT_SYMLINK_NOFOLLOW = 1 << 8;
/// Do whatever stat() does.
const AT_STATX_SYNC_AS_STAT = 0;
/// Force the attributes to be sync'd with the server.
const AT_STATX_FORCE_SYNC = 1 << 13;
/// Don't sync attributes with the server.
const AT_STATX_DONT_SYNC = 1 << 14;
} }
} }
@ -189,24 +195,41 @@ bitflags! {
/// These bits should be set in the mask argument of statx() to request /// These bits should be set in the mask argument of statx() to request
/// particular items when calling statx(). /// particular items when calling statx().
pub struct StatxMask: u32 { pub struct StatxMask: u32 {
const STATX_TYPE = 0x00000001; // Want stx_mode & S_IFMT /// Want stx_mode & S_IFMT
const STATX_MODE = 0x00000002; // Want stx_mode & ~S_IFMT const STATX_TYPE = 0x00000001;
const STATX_NLINK = 0x00000004; // Want stx_nlink /// Want stx_mode & ~S_IFMT
const STATX_UID = 0x00000008; // Want stx_uid const STATX_MODE = 0x00000002;
const STATX_GID = 0x00000010; // Want stx_gid /// Want stx_nlink
const STATX_ATIME = 0x00000020; // Want stx_atime const STATX_NLINK = 0x00000004;
const STATX_MTIME = 0x00000040; // Want stx_mtime /// Want stx_uid
const STATX_CTIME = 0x00000080; // Want stx_ctime const STATX_UID = 0x00000008;
const STATX_INO = 0x00000100; // Want stx_ino /// Want stx_gid
const STATX_SIZE = 0x00000200; // Want stx_size const STATX_GID = 0x00000010;
const STATX_BLOCKS = 0x00000400; // Want stx_blocks /// Want stx_atime
const STATX_BASIC_STATS = 0x000007ff; // All of the above (stx_mode, stx_nlink, etc.) const STATX_ATIME = 0x00000020;
const STATX_BTIME = 0x00000800; // Want stx_btime /// Want stx_mtime
const STATX_ALL = 0x00000fff; // Deprecated: The same as STATX_BASIC_STATS | STATX_BTIME const STATX_MTIME = 0x00000040;
const STATX_MNT_ID = 0x00001000; // Want stx_mnt_id /// Want stx_ctime
const STATX_DIOALIGN = 0x00002000; // Want stx_dio_mem_align and stx_dio_offset_align const STATX_CTIME = 0x00000080;
const STATX_MNT_ID_UNIQUE = 0x00004000; // Want unique stx_mnt_id /// Want stx_ino
const STATX_RESERVED = 0x80000000; // Reserved for future struct statx expansion const STATX_INO = 0x00000100;
const STATX_CHANGE_COOKIE = 0x40000000; // Want/got stx_change_attr /// Want stx_size
const STATX_SIZE = 0x00000200;
/// Want stx_blocks
const STATX_BLOCKS = 0x00000400;
/// All of the above (stx_mode, stx_nlink, etc.)
const STATX_BASIC_STATS = 0x000007ff;
/// Want stx_btime
const STATX_BTIME = 0x00000800;
/// Deprecated: The same as STATX_BASIC_STATS | STATX_BTIME
const STATX_ALL = 0x00000fff;
/// Want stx_mnt_id
const STATX_MNT_ID = 0x00001000;
/// Want stx_dio_mem_align and stx_dio_offset_align
const STATX_DIOALIGN = 0x00002000;
/// Reserved for future struct statx expansion
const STATX_RESERVED = 0x80000000;
/// Want/got stx_change_attr
const STATX_CHANGE_COOKIE = 0x40000000;
} }
} }