From nobody Mon Feb 9 19:54:09 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1503506261516984.4384905413298; Wed, 23 Aug 2017 09:37:41 -0700 (PDT) Received: from localhost ([::1]:44723 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkYey-0002o5-9n for importer@patchew.org; Wed, 23 Aug 2017 12:37:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43965) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkYPQ-0006Gw-3w for qemu-devel@nongnu.org; Wed, 23 Aug 2017 12:21:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dkYPG-0007i5-Vl for qemu-devel@nongnu.org; Wed, 23 Aug 2017 12:21:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33010) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dkYPG-0007he-ML for qemu-devel@nongnu.org; Wed, 23 Aug 2017 12:21:26 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B7A281F598; Wed, 23 Aug 2017 16:21:25 +0000 (UTC) Received: from localhost (ovpn-112-32.ams2.redhat.com [10.36.112.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 462B2179D4; Wed, 23 Aug 2017 16:21:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com B7A281F598 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=marcandre.lureau@redhat.com From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Wed, 23 Aug 2017 18:19:59 +0200 Message-Id: <20170823162004.27337-23-marcandre.lureau@redhat.com> In-Reply-To: <20170823162004.27337-1-marcandre.lureau@redhat.com> References: <20170823162004.27337-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 23 Aug 2017 16:21:25 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 22/27] vhost-user-scsi: simplify source handling X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , changpeng.liu@intel.com, felipe@nutanix.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Using a hashtable. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Paolo Bonzini --- contrib/vhost-user-scsi/vhost-user-scsi.c | 45 +++++++++------------------= ---- 1 file changed, 12 insertions(+), 33 deletions(-) diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c b/contrib/vhost-user= -scsi/vhost-user-scsi.c index 102d910e8f..516a9d3966 100644 --- a/contrib/vhost-user-scsi/vhost-user-scsi.c +++ b/contrib/vhost-user-scsi/vhost-user-scsi.c @@ -65,7 +65,7 @@ typedef struct VusDev { VuDev vu_dev; int server_sock; GMainLoop *loop; - GTree *fdmap; /* fd -> gsource context id */ + GHashTable *fdmap; /* fd -> gsource */ VusIscsiLun lun; } VusDev; =20 @@ -83,11 +83,6 @@ typedef struct vus_gsrc { GPollFD gfd; } vus_gsrc_t; =20 -static gint vus_fdmap_compare(gconstpointer a, gconstpointer b) -{ - return (b > a) - (b < a); -} - static gboolean vus_gsrc_prepare(GSource *src, gint *timeout) { assert(timeout); @@ -128,8 +123,8 @@ static GSourceFuncs vus_gsrc_funcs =3D { NULL }; =20 -static void vus_gsrc_new(VusDev *vdev_scsi, int fd, GIOCondition cond, - vu_watch_cb vu_cb, gpointer data) +static GSource *vus_gsrc_new(VusDev *vdev_scsi, int fd, GIOCondition cond, + vu_watch_cb vu_cb, gpointer data) { GSource *vus_gsrc; vus_gsrc_t *vus_src; @@ -142,7 +137,6 @@ static void vus_gsrc_new(VusDev *vdev_scsi, int fd, GIO= Condition cond, vus_gsrc =3D g_source_new(&vus_gsrc_funcs, sizeof(vus_gsrc_t)); g_source_set_callback(vus_gsrc, (GSourceFunc) vu_cb, data, NULL); vus_src =3D (vus_gsrc_t *)vus_gsrc; - vus_src->vdev_scsi =3D vdev_scsi; vus_src->gfd.fd =3D fd; vus_src->gfd.events =3D cond; @@ -152,8 +146,7 @@ static void vus_gsrc_new(VusDev *vdev_scsi, int fd, GIO= Condition cond, assert(id); g_source_unref(vus_gsrc); =20 - g_tree_insert(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd, - (gpointer)(uintptr_t)id); + return vus_gsrc; } =20 /** libiscsi integration **/ @@ -346,43 +339,27 @@ static void vus_panic_cb(VuDev *vu_dev, const char *b= uf) static void vus_add_watch_cb(VuDev *vu_dev, int fd, int vu_evt, vu_watch_c= b cb, void *pvt) { + GSource *src; VusDev *vdev_scsi; - guint id; =20 assert(vu_dev); assert(fd >=3D 0); assert(cb); =20 vdev_scsi =3D container_of(vu_dev, VusDev, vu_dev); - id =3D (guint)(uintptr_t)g_tree_lookup(vdev_scsi->fdmap, - (gpointer)(uintptr_t)fd); - if (id) { - GSource *vus_src =3D g_main_context_find_source_by_id(NULL, id); - assert(vus_src); - g_source_destroy(vus_src); - (void)g_tree_remove(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd); - } - - vus_gsrc_new(vdev_scsi, fd, vu_evt, cb, pvt); + src =3D vus_gsrc_new(vdev_scsi, fd, vu_evt, cb, pvt); + g_hash_table_replace(vdev_scsi->fdmap, GINT_TO_POINTER(fd), src); } =20 static void vus_del_watch_cb(VuDev *vu_dev, int fd) { VusDev *vdev_scsi; - guint id; =20 assert(vu_dev); assert(fd >=3D 0); =20 vdev_scsi =3D container_of(vu_dev, VusDev, vu_dev); - id =3D (guint)(uintptr_t)g_tree_lookup(vdev_scsi->fdmap, - (gpointer)(uintptr_t)fd); - if (id) { - GSource *vus_src =3D g_main_context_find_source_by_id(NULL, id); - assert(vus_src); - g_source_destroy(vus_src); - (void)g_tree_remove(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd); - } + g_hash_table_remove(vdev_scsi->fdmap, GINT_TO_POINTER(fd)); } =20 static void vus_proc_req(VuDev *vu_dev, int idx) @@ -539,7 +516,7 @@ static void vdev_scsi_free(VusDev *vdev_scsi) close(vdev_scsi->server_sock); } g_main_loop_unref(vdev_scsi->loop); - g_tree_destroy(vdev_scsi->fdmap); + g_hash_table_unref(vdev_scsi->fdmap); g_free(vdev_scsi); } =20 @@ -552,7 +529,9 @@ static VusDev *vdev_scsi_new(int server_sock) vdev_scsi =3D g_new0(VusDev, 1); vdev_scsi->server_sock =3D server_sock; vdev_scsi->loop =3D g_main_loop_new(NULL, FALSE); - vdev_scsi->fdmap =3D g_tree_new(vus_fdmap_compare); + vdev_scsi->fdmap =3D + g_hash_table_new_full(NULL, NULL, NULL, + (GDestroyNotify) g_source_destroy); =20 return vdev_scsi; } --=20 2.14.1.146.gd35faa819