From patchwork Tue May 17 19:43:43 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 96024 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id F017EB6EEE for ; Wed, 18 May 2011 05:50:09 +1000 (EST) Received: from localhost ([::1]:49268 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMQHP-0003LS-A0 for incoming@patchwork.ozlabs.org; Tue, 17 May 2011 15:50:07 -0400 Received: from eggs.gnu.org ([140.186.70.92]:34643) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMQC4-0002Vr-TG for qemu-devel@nongnu.org; Tue, 17 May 2011 15:44:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QMQC0-00023B-64 for qemu-devel@nongnu.org; Tue, 17 May 2011 15:44:36 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:51914) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMQBz-00022p-Sc for qemu-devel@nongnu.org; Tue, 17 May 2011 15:44:32 -0400 Received: from d03relay03.boulder.ibm.com (d03relay03.boulder.ibm.com [9.17.195.228]) by e36.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4HJcgpK022312 for ; Tue, 17 May 2011 13:38:42 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay03.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p4HJiPo2158522 for ; Tue, 17 May 2011 13:44:25 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p4HDhuWb018673 for ; Tue, 17 May 2011 07:43:57 -0600 Received: from oc6675851006.ibm.com (dyn9047029068.beaverton.ibm.com [9.47.29.68]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p4HDhZkW016491; Tue, 17 May 2011 07:43:55 -0600 From: "Venkateswararao Jujjuri (JV)" To: qemu-devel@nongnu.org Date: Tue, 17 May 2011 12:43:43 -0700 Message-Id: <1305661431-21289-18-git-send-email-jvrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1305661431-21289-1-git-send-email-jvrao@linux.vnet.ibm.com> References: <1305661431-21289-1-git-send-email-jvrao@linux.vnet.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 32.97.110.154 Cc: aliguori@us.ibm.com, "Venkateswararao Jujjuri \"" , stefanha@linux.vnet.ibm.com, "Aneesh Kumar K.V" Subject: [Qemu-devel] [V2 17/25] hw/9pfs: Add yield support to xattr related coroutine X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Aneesh Kumar K.V This include llistxattr and lgetxattr. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Venkateswararao Jujjuri " --- Makefile.objs | 1 + hw/9pfs/coxattr.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 3 ++ 3 files changed, 54 insertions(+), 0 deletions(-) create mode 100644 hw/9pfs/coxattr.c diff --git a/Makefile.objs b/Makefile.objs index 83d30bd..98a345b 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -298,6 +298,7 @@ hw-obj-$(CONFIG_SOUND) += $(sound-obj-y) 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-local.o virtio-9p-xattr.o 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-xattr-user.o virtio-9p-posix-acl.o 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-coth.o cofs.o codir.o cofile.o +9pfs-nested-$(CONFIG_VIRTFS) += coxattr.o hw-obj-$(CONFIG_REALLY_VIRTFS) += $(addprefix 9pfs/, $(9pfs-nested-y)) $(addprefix 9pfs/, $(9pfs-nested-y)): QEMU_CFLAGS+=$(GLIB_CFLAGS) diff --git a/hw/9pfs/coxattr.c b/hw/9pfs/coxattr.c new file mode 100644 index 0000000..2fba2c9 --- /dev/null +++ b/hw/9pfs/coxattr.c @@ -0,0 +1,50 @@ + +/* + * Virtio 9p backend + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Aneesh Kumar K.V + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#include "fsdev/qemu-fsdev.h" +#include "qemu-thread.h" +#include "qemu-coroutine.h" +#include "virtio-9p-coth.h" + +int v9fs_co_llistxattr(V9fsState *s, V9fsString *path, void *value, size_t size) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->llistxattr(&s->ctx, path->data, value, size); + if (err < 0) { + err = -errno; + } + }); + return err; +} + +int v9fs_co_lgetxattr(V9fsState *s, V9fsString *path, + V9fsString *xattr_name, + void *value, size_t size) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->lgetxattr(&s->ctx, path->data, + xattr_name->data, + value, size); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 09f232a..eb0c99a 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -68,4 +68,7 @@ extern int v9fs_co_chmod(V9fsState *, V9fsString *, mode_t); extern int v9fs_co_utimensat(V9fsState *, V9fsString *, struct timespec [2]); extern int v9fs_co_chown(V9fsState *, V9fsString *, uid_t, gid_t); extern int v9fs_co_truncate(V9fsState *, V9fsString *, off_t); +extern int v9fs_co_llistxattr(V9fsState *, V9fsString *, void *, size_t); +extern int v9fs_co_lgetxattr(V9fsState *, V9fsString *, + V9fsString *, void *, size_t); #endif