Date: Wed, 31 May 2017 21:05:24 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r319355 - head/sys/fs/cuse Message-ID: <201705312105.v4VL5OjI044117@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: hselasky Date: Wed May 31 21:05:24 2017 New Revision: 319355 URL: https://svnweb.freebsd.org/changeset/base/319355 Log: Minor code optimisation. Avoid locking the global CUSE lock when the polling flags are zero. MFC after: 1 week Modified: head/sys/fs/cuse/cuse.c Modified: head/sys/fs/cuse/cuse.c ============================================================================== --- head/sys/fs/cuse/cuse.c Wed May 31 19:37:23 2017 (r319354) +++ head/sys/fs/cuse/cuse.c Wed May 31 21:05:24 2017 (r319355) @@ -1507,8 +1507,8 @@ cuse_client_kqfilter_poll(struct cdev *dev, struct cus /* get the latest polling state from the server */ temp = cuse_client_poll(dev, POLLIN | POLLOUT, NULL); - cuse_lock(); if (temp & (POLLIN | POLLOUT)) { + cuse_lock(); if (temp & POLLIN) pcc->cflags |= CUSE_CLI_KNOTE_NEED_READ; if (temp & POLLOUT) @@ -1516,8 +1516,8 @@ cuse_client_kqfilter_poll(struct cdev *dev, struct cus /* make sure the "knote" gets woken up */ cuse_server_wakeup_locked(pcc->server); + cuse_unlock(); } - cuse_unlock(); } }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201705312105.v4VL5OjI044117>