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block: fix aio backend behavior when writeback enabled

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Signed-off-by: Thomas Barrett <tbarrett@crusoeenergy.com>
(cherry picked from commit d9ed281719)
This commit is contained in:
Thomas Barrett 2023-11-08 08:55:16 -08:00 committed by Bo Chen
parent f5899d15f6
commit dbf4891eb2
1 changed files with 14 additions and 9 deletions
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23
block/src/raw_async_aio.rs
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@ -120,15 +120,20 @@ impl AsyncIo for RawFileAsyncAio {
}
fn fsync(&mut self, user_data: Option<u64>) -> AsyncIoResult<()> {
let iocbs = [&mut aio::IoControlBlock {
aio_fildes: self.fd.as_raw_fd() as u32,
aio_lio_opcode: aio::IOCB_CMD_FSYNC as u16,
aio_data: user_data.unwrap_or(0),
aio_flags: aio::IOCB_FLAG_RESFD,
aio_resfd: self.eventfd.as_raw_fd() as u32,
..Default::default()
}];
let _ = self.ctx.submit(&iocbs[..]).map_err(AsyncIoError::Fsync)?;
if let Some(user_data) = user_data {
let iocbs = [&mut aio::IoControlBlock {
aio_fildes: self.fd.as_raw_fd() as u32,
aio_lio_opcode: aio::IOCB_CMD_FSYNC as u16,
aio_data: user_data,
aio_flags: aio::IOCB_FLAG_RESFD,
aio_resfd: self.eventfd.as_raw_fd() as u32,
..Default::default()
}];
let _ = self.ctx.submit(&iocbs[..]).map_err(AsyncIoError::Fsync)?;
} else {
// SAFETY: FFI call with a valid fd
unsafe { libc::fsync(self.fd) };
}
Ok(())
}