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Fri, 22 Nov 2024 21:16:07 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 3fWhFZf0QGfTXQAAD6G6ig (envelope-from ); Fri, 22 Nov 2024 21:16:07 +0000 From: Gabriel Krisman Bertazi To: axboe@kernel.dk, asml.silence@gmail.com Cc: io-uring@vger.kernel.org, Gabriel Krisman Bertazi Subject: [PATCH v2 6/9] io_uring/net: Allocate msghdr async data through helper Date: Fri, 22 Nov 2024 16:15:38 -0500 Message-ID: <20241122211541.2135280-7-krisman@suse.de> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241122211541.2135280-1-krisman@suse.de> References: <20241122211541.2135280-1-krisman@suse.de> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Level: X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid,imap1.dmz-prg2.suse.org:helo]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; FREEMAIL_TO(0.00)[kernel.dk,gmail.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_THREE(0.00)[4]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Score: -1.30 X-Spam-Flag: NO This abstracts away the cache details. Signed-off-by: Gabriel Krisman Bertazi --- io_uring/net.c | 35 ++++++++++++++++++----------------- 1 file changed, 18 insertions(+), 17 deletions(-) diff --git a/io_uring/net.c b/io_uring/net.c index df1f7dc6f1c8..8457408194e7 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -155,30 +155,31 @@ static void io_netmsg_recycle(struct io_kiocb *req, unsigned int issue_flags) } } +static void io_msg_async_data_init(void *obj) +{ + struct io_async_msghdr *hdr = (struct io_async_msghdr *)obj; + + hdr->free_iov = NULL; + hdr->free_iov_nr = 0; +} + static struct io_async_msghdr *io_msg_alloc_async(struct io_kiocb *req) { struct io_ring_ctx *ctx = req->ctx; struct io_async_msghdr *hdr; - hdr = io_alloc_cache_get(&ctx->netmsg_cache); - if (hdr) { - if (hdr->free_iov) { - kasan_mempool_unpoison_object(hdr->free_iov, - hdr->free_iov_nr * sizeof(struct iovec)); - req->flags |= REQ_F_NEED_CLEANUP; - } - req->flags |= REQ_F_ASYNC_DATA; - req->async_data = hdr; - return hdr; - } + hdr = io_uring_alloc_async_data(&ctx->netmsg_cache, req, + io_msg_async_data_init); + if (!hdr) + return NULL; - if (!io_alloc_async_data(req)) { - hdr = req->async_data; - hdr->free_iov_nr = 0; - hdr->free_iov = NULL; - return hdr; + /* If the async data was cached, we might have an iov cached inside. */ + if (hdr->free_iov) { + kasan_mempool_unpoison_object(hdr->free_iov, + hdr->free_iov_nr * sizeof(struct iovec)); + req->flags |= REQ_F_NEED_CLEANUP; } - return NULL; + return hdr; } /* assign new iovec to kmsg, if we need to */ -- 2.47.0