diff options
| author | Stefan Roesch <shr@fb.com> | 2022-04-26 21:21:32 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-05-09 15:35:34 +0300 |
| commit | f9b3dfcc68a502ef82e50274e2e7e9e91f6bf4e2 (patch) | |
| tree | d4136a3a7d8530b2ae4d15a2dfe474f7ac28a795 /fs/io_uring.c | |
| parent | c4bb964fa092fb68645a852365dfe9855fef178a (diff) | |
| download | linux-f9b3dfcc68a502ef82e50274e2e7e9e91f6bf4e2.tar.xz | |
io_uring: support CQE32 in /proc info
This exposes the extra1 and extra2 fields in the /proc output.
Signed-off-by: Stefan Roesch <shr@fb.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20220426182134.136504-11-shr@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index e7b5907e405f..879ac1452425 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -11674,10 +11674,15 @@ static __cold void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, unsigned int sq_tail = READ_ONCE(r->sq.tail); unsigned int cq_head = READ_ONCE(r->cq.head); unsigned int cq_tail = READ_ONCE(r->cq.tail); + unsigned int cq_shift = 0; unsigned int sq_entries, cq_entries; bool has_lock; + bool is_cqe32 = (ctx->flags & IORING_SETUP_CQE32); unsigned int i; + if (is_cqe32) + cq_shift = 1; + /* * we may get imprecise sqe and cqe info if uring is actively running * since we get cached_sq_head and cached_cq_tail without uring_lock @@ -11710,11 +11715,18 @@ static __cold void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, cq_entries = min(cq_tail - cq_head, ctx->cq_entries); for (i = 0; i < cq_entries; i++) { unsigned int entry = i + cq_head; - struct io_uring_cqe *cqe = &r->cqes[entry & cq_mask]; + struct io_uring_cqe *cqe = &r->cqes[(entry & cq_mask) << cq_shift]; - seq_printf(m, "%5u: user_data:%llu, res:%d, flag:%x\n", + if (!is_cqe32) { + seq_printf(m, "%5u: user_data:%llu, res:%d, flag:%x\n", entry & cq_mask, cqe->user_data, cqe->res, cqe->flags); + } else { + seq_printf(m, "%5u: user_data:%llu, res:%d, flag:%x, " + "extra1:%llu, extra2:%llu\n", + entry & cq_mask, cqe->user_data, cqe->res, + cqe->flags, cqe->big_cqe[0], cqe->big_cqe[1]); + } } /* |