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block_util: Pass a reference to the slice of iovecs

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Rather than passing the vector of iovecs for the I/O to act on pass a
reference to the slice of values inside them. This removes the explicit
container type from the API allowing the use of e.g. SmallVec.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2023-01-10 12:44:00 +00:00
parent 9ba06ce5f5
commit e7a51cde78
8 changed files with 18 additions and 18 deletions
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8
block_util/src/lib.rs
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@@ -431,12 +431,12 @@ impl Request {
.mark_dirty(0, *data_len as usize);
}
disk_image
.read_vectored(offset, iovecs, user_data)
.read_vectored(offset, &iovecs, user_data)
.map_err(ExecuteError::AsyncRead)?;
}
RequestType::Out => {
disk_image
.write_vectored(offset, iovecs, user_data)
.write_vectored(offset, &iovecs, user_data)
.map_err(ExecuteError::AsyncWrite)?;
}
RequestType::Flush => {
@@ -590,7 +590,7 @@ where
fn read_vectored_sync(
&mut self,
offset: libc::off_t,
iovecs: Vec<libc::iovec>,
iovecs: &[libc::iovec],
user_data: u64,
eventfd: &EventFd,
completion_list: &mut Vec<(u64, i32)>,
@@ -623,7 +623,7 @@ where
fn write_vectored_sync(
&mut self,
offset: libc::off_t,
iovecs: Vec<libc::iovec>,
iovecs: &[libc::iovec],
user_data: u64,
eventfd: &EventFd,
completion_list: &mut Vec<(u64, i32)>,