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block: Replace local FALLOC_FL_* constants with libc::* in probe

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probe_file_sparse_support() defined FALLOC_FL_KEEP_SIZE,
FALLOC_FL_PUNCH_HOLE, and FALLOC_FL_ZERO_RANGE as local constants.
These are available from the libc crate directly.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski
2026-03-14 13:26:52 +01:00
committed by Rob Bradford
parent d883b54fb7
commit 05aa9ebcd4
1 changed files with 3 additions and 5 deletions
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8
block/src/lib.rs
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@@ -45,7 +45,9 @@ use std::{cmp, mem, result};
#[cfg(feature = "io_uring")]
use io_uring::{IoUring, Probe, opcode};
use libc::{S_IFBLK, S_IFMT, ioctl};
use libc::{
FALLOC_FL_KEEP_SIZE, FALLOC_FL_PUNCH_HOLE, FALLOC_FL_ZERO_RANGE, S_IFBLK, S_IFMT, ioctl,
};
use log::{debug, error, info, warn};
use serde::{Deserialize, Serialize};
use smallvec::SmallVec;
@@ -807,10 +809,6 @@ pub fn probe_sparse_support(file: &File) -> bool {
/// Probe sparse support for a regular file using fallocate().
fn probe_file_sparse_support(fd: libc::c_int) -> bool {
const FALLOC_FL_KEEP_SIZE: libc::c_int = 0x01;
const FALLOC_FL_PUNCH_HOLE: libc::c_int = 0x02;
const FALLOC_FL_ZERO_RANGE: libc::c_int = 0x10;
// SAFETY: FFI call with valid fd
let file_size = unsafe { libc::lseek(fd, 0, libc::SEEK_END) };
if file_size < 0 {