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test/io_uring-cp: add some comments

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Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2019-03-06 08:31:26 -07:00
parent 5fefee2333
commit a231fdcaa1
1 changed files with 2 additions and 2 deletions
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4
test/io_uring-cp.c
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@@ -154,8 +154,7 @@ static int copy_file(struct io_uring *ring, off_t insize)
} }
/* /*
* read queue full, get at least one completion and queue up * Queue is full at this point. Find at least one completion.
* a write
*/ */
got_comp = 0; got_comp = 0;
while (write_left) { while (write_left) {
@@ -184,6 +183,7 @@ static int copy_file(struct io_uring *ring, off_t insize)
strerror(-cqe->res)); strerror(-cqe->res));
return 1; return 1;
} else if (cqe->res != data->iov.iov_len) { } else if (cqe->res != data->iov.iov_len) {
/* Short read/write, adjust and requeue */
data->iov.iov_base += cqe->res; data->iov.iov_base += cqe->res;
data->iov.iov_len -= cqe->res; data->iov.iov_len -= cqe->res;
data->offset += cqe->res; data->offset += cqe->res;