diff options
| author | Chenliang Li <cliang01.li@samsung.com> | 2024-07-31 17:01:32 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-08-25 08:27:01 -0600 |
| commit | 3d6106aee4732a01a275c59ec94d05302d931c4b (patch) | |
| tree | e306a24edf88454233b09f03e1c57679785d7ed9 /io_uring/rsrc.h | |
| parent | d843634a95a66237f88fa6affa9203c9ee503244 (diff) | |
io_uring/rsrc: store folio shift and mask into imu
Store the folio shift and folio mask into imu struct and use it in
iov_iter adjust, as we will have non PAGE_SIZE'd chunks if a
multi-hugepage buffer get coalesced.
Signed-off-by: Chenliang Li <cliang01.li@samsung.com>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20240731090133.4106-2-cliang01.li@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/rsrc.h')
| -rw-r--r-- | io_uring/rsrc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index c032ca3436ca..ee77e53328bf 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -46,7 +46,9 @@ struct io_mapped_ubuf { u64 ubuf; u64 ubuf_end; unsigned int nr_bvecs; + unsigned int folio_shift; unsigned long acct_pages; + unsigned long folio_mask; struct bio_vec bvec[] __counted_by(nr_bvecs); }; |