diff options
author | Jens Axboe <axboe@kernel.dk> | 2019-03-06 08:31:26 -0700 |
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committer | Jens Axboe <axboe@kernel.dk> | 2019-03-06 08:31:26 -0700 |
commit | a231fdcaa13dbeff3cb9e1c7eeb98db4024aba4e (patch) | |
tree | 712872898ae6b5ccc9347b861ef3a426403f0852 /test | |
parent | 5fefee2333356a8d6c640af9f2e2efbbe93dcd67 (diff) |
test/io_uring-cp: add some comments
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'test')
-rw-r--r-- | test/io_uring-cp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/io_uring-cp.c b/test/io_uring-cp.c index e129d84..3790736 100644 --- a/test/io_uring-cp.c +++ b/test/io_uring-cp.c @@ -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 - * a write + * Queue is full at this point. Find at least one completion. */ got_comp = 0; while (write_left) { @@ -184,6 +183,7 @@ static int copy_file(struct io_uring *ring, off_t insize) strerror(-cqe->res)); return 1; } else if (cqe->res != data->iov.iov_len) { + /* Short read/write, adjust and requeue */ data->iov.iov_base += cqe->res; data->iov.iov_len -= cqe->res; data->offset += cqe->res; |