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block: annotate two transmute calls

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Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2024-04-29 03:41:09 +00:00
committed by Rob Bradford
parent 4f1e74b553
commit 319538fbed
1 changed files with 6 additions and 2 deletions
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8
block/src/lib.rs
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@@ -658,7 +658,9 @@ where
let mut slices: SmallVec<[IoSliceMut; 1]> = SmallVec::with_capacity(iovecs.len());
for iovec in iovecs.iter() {
// SAFETY: on Linux IoSliceMut wraps around libc::iovec
slices.push(IoSliceMut::new(unsafe { std::mem::transmute(*iovec) }));
slices.push(IoSliceMut::new(unsafe {
std::mem::transmute::<libc::iovec, &mut [u8]>(*iovec)
}));
}
let result = {
@@ -691,7 +693,9 @@ where
let mut slices: SmallVec<[IoSlice; 1]> = SmallVec::with_capacity(iovecs.len());
for iovec in iovecs.iter() {
// SAFETY: on Linux IoSlice wraps around libc::iovec
slices.push(IoSlice::new(unsafe { std::mem::transmute(*iovec) }));
slices.push(IoSlice::new(unsafe {
std::mem::transmute::<libc::iovec, &mut [u8]>(*iovec)
}));
}
let result = {