As we don't use iov_iter_advance() but our own logic in io_import_fixed(),
we can remove the logic that over-sets the iter's count to len + offset
then adjusts it later to len. This helps to make the code cleaner.
Signed-off-by: Bui Quang Minh <minhquangbui99@xxxxxxxxx>
---
io_uring/rsrc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 077f84684c18..d0d6ee85f32b 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -883,7 +883,7 @@ int io_import_fixed(int ddir, struct iov_iter *iter,
* and advance us to the beginning.
*/
offset = buf_addr - imu->ubuf;
- iov_iter_bvec(iter, ddir, imu->bvec, imu->nr_bvecs, offset + len);
+ iov_iter_bvec(iter, ddir, imu->bvec, imu->nr_bvecs, len);
if (offset) {
/*
@@ -905,7 +905,6 @@ int io_import_fixed(int ddir, struct iov_iter *iter,
const struct bio_vec *bvec = imu->bvec;
if (offset < bvec->bv_len) {
- iter->count -= offset;
iter->iov_offset = offset;
} else {
unsigned long seg_skip;
@@ -916,7 +915,6 @@ int io_import_fixed(int ddir, struct iov_iter *iter,
iter->bvec += seg_skip;
iter->nr_segs -= seg_skip;
- iter->count -= bvec->bv_len + offset;
iter->iov_offset = offset & ((1UL << imu->folio_shift) - 1);
}
}
--
2.43.0
