io_uring/rsrc: don't assign bvec twice in io_import_fixed()

iter->bvec is already set to imu->bvec - remove the one dead assignment
and turn the other one into an addition instead.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2024-10-16 15:04:55 -06:00
parent 2946f08ae9
commit c919790060

View File

@ -1127,7 +1127,6 @@ int io_import_fixed(int ddir, struct iov_iter *iter,
const struct bio_vec *bvec = imu->bvec;
if (offset < bvec->bv_len) {
iter->bvec = bvec;
iter->count -= offset;
iter->iov_offset = offset;
} else {
@ -1137,7 +1136,7 @@ int io_import_fixed(int ddir, struct iov_iter *iter,
offset -= bvec->bv_len;
seg_skip = 1 + (offset >> imu->folio_shift);
iter->bvec = bvec + seg_skip;
iter->bvec += seg_skip;
iter->nr_segs -= seg_skip;
iter->count -= bvec->bv_len + offset;
iter->iov_offset = offset & ((1UL << imu->folio_shift) - 1);