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Tue, 15 Aug 2023 19:01:47 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, Takashi Iwai , Alexander Viro Subject: [PATCH v2 01/25] iov_iter: Export import_ubuf() Date: Tue, 15 Aug 2023 21:01:12 +0200 Message-Id: <20230815190136.8987-2-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230815190136.8987-1-tiwai@suse.de> References: <20230815190136.8987-1-tiwai@suse.de> MIME-Version: 1.0 Message-ID-Hash: IMCCN2QZIONWTFJY2JJH6QYOXCRVXC7N X-Message-ID-Hash: IMCCN2QZIONWTFJY2JJH6QYOXCRVXC7N X-MailFrom: tiwai@suse.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Export import_ubuf() to be used in sound subsystem for generic memory handling as Linus suggested. It's used for constructing an iov_iter of a single segment user-space copy for PCM data. Cc: Alexander Viro Link: https://lore.kernel.org/r/CAHk-=wh-mUL6mp4chAc6E_UjwpPLyCPRCJK+iB4ZMD2BqjwGHA@mail.gmail.com Signed-off-by: Takashi Iwai --- lib/iov_iter.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/iov_iter.c b/lib/iov_iter.c index e4dc809d1075..3743bbcbbb89 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1544,6 +1544,7 @@ int import_ubuf(int rw, void __user *buf, size_t len, struct iov_iter *i) iov_iter_ubuf(i, rw, buf, len); return 0; } +EXPORT_SYMBOL_GPL(import_ubuf); /** * iov_iter_restore() - Restore a &struct iov_iter to the same state as when