diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-03-07 16:00:29 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-03-07 09:07:29 -0700 |
| commit | e1d499590977a492ae120d9263bd55076aabd460 (patch) | |
| tree | 11d97d8462945c701fc09aeb98ced7a340cbb41b /io_uring/rsrc.h | |
| parent | 6e3da40ed6f3508dcf34b1539496bcccef7015ef (diff) | |
io_uring: introduce struct iou_vec
I need a convenient way to pass around and work with iovec+size pair,
put them into a structure and makes use of it in rw.c
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d39fadafc9e9047b0a292e5be6db3cf2f48bb1f7.1741362889.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/rsrc.h')
| -rw-r--r-- | io_uring/rsrc.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index 284e300e63fb..f35e1a07619a 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -145,4 +145,20 @@ static inline void __io_unaccount_mem(struct user_struct *user, atomic_long_sub(nr_pages, &user->locked_vm); } +void io_vec_free(struct iou_vec *iv); + +static inline void io_vec_reset_iovec(struct iou_vec *iv, + struct iovec *iovec, unsigned nr) +{ + io_vec_free(iv); + iv->iovec = iovec; + iv->nr = nr; +} + +static inline void io_alloc_cache_vec_kasan(struct iou_vec *iv) +{ + if (IS_ENABLED(CONFIG_KASAN)) + io_vec_free(iv); +} + #endif |