From patchwork Wed May 25 23:53:10 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 97452 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 A42AFB6F89 for ; Thu, 26 May 2011 09:56:01 +1000 (EST) Received: from localhost ([::1]:53243 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNvj-0004j9-2s for incoming@patchwork.ozlabs.org; Wed, 25 May 2011 19:55:59 -0400 Received: from eggs.gnu.org ([140.186.70.92]:49052) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtV-00089Q-Cj for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QPNtT-0007Wz-6c for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:41 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:47648) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtS-0007WY-P3 for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:38 -0400 Received: from d03relay03.boulder.ibm.com (d03relay03.boulder.ibm.com [9.17.195.228]) by e35.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4PNaHLZ031030 for ; Wed, 25 May 2011 17:36:17 -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 p4PNrXL9145614 for ; Wed, 25 May 2011 17:53:33 -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 p4PHr6in018552 for ; Wed, 25 May 2011 11:53:06 -0600 Received: from oc6675851006.ibm.com (dyn9041079012.austin.ibm.com [9.41.79.12]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p4PHqwLt018178; Wed, 25 May 2011 11:53:05 -0600 From: "Venkateswararao Jujjuri (JV)" To: qemu-devel@nongnu.org Date: Wed, 25 May 2011 16:53:10 -0700 Message-Id: <1306367597-797-23-git-send-email-jvrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1306367597-797-1-git-send-email-jvrao@linux.vnet.ibm.com> References: <1306367597-797-1-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: 32.97.110.153 Cc: "Venkateswararao Jujjuri \(JV\)" , stefanha@linux.vnet.ibm.com Subject: [Qemu-devel] [PATCH 22/29] [virtio-9p] coroutine and threading for v9fs_do_link 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 Signed-off-by: Venkateswararao Jujjuri " --- hw/9pfs/cofile.c | 14 ++++++++++++++ hw/9pfs/virtio-9p-coth.h | 1 + hw/9pfs/virtio-9p.c | 17 ++++------------- 3 files changed, 19 insertions(+), 13 deletions(-) diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index 26dd636..52eec2a 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -113,3 +113,17 @@ int v9fs_co_fsync(V9fsState *s, V9fsFidState *fidp, int datasync) }); return err; } + +int v9fs_co_link(V9fsState *s, V9fsString *oldpath, V9fsString *newpath) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->link(&s->ctx, oldpath->data, newpath->data); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index e394933..17ffd76 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -88,4 +88,5 @@ extern int v9fs_co_close(V9fsState *, V9fsFidState *); extern int v9fs_co_fsync(V9fsState *, V9fsFidState *, int); extern int v9fs_co_symlink(V9fsState *, V9fsFidState *, const char *, const char *, gid_t); +extern int v9fs_co_link(V9fsState *, V9fsString *, V9fsString *); #endif diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c index cb11ee6..7fa253c 100644 --- a/hw/9pfs/virtio-9p.c +++ b/hw/9pfs/virtio-9p.c @@ -117,11 +117,6 @@ static int v9fs_do_chmod(V9fsState *s, V9fsString *path, mode_t mode) return s->ops->chmod(&s->ctx, path->data, &cred); } -static int v9fs_do_link(V9fsState *s, V9fsString *oldpath, V9fsString *newpath) -{ - return s->ops->link(&s->ctx, oldpath->data, newpath->data); -} - static int v9fs_do_truncate(V9fsState *s, V9fsString *path, off_t size) { return s->ops->truncate(&s->ctx, path->data, size); @@ -2030,9 +2025,8 @@ static void v9fs_create(void *opaque) err = -EINVAL; goto out; } - err = v9fs_do_link(pdu->s, &nfidp->path, &fullname); + err = v9fs_co_link(pdu->s, &nfidp->path, &fullname); if (err < 0) { - err = -errno; goto out; } } else if (perm & P9_STAT_MODE_DEVICE) { @@ -2172,22 +2166,19 @@ static void v9fs_link(void *opaque) dfidp = lookup_fid(s, dfid); if (dfidp == NULL) { - err = -errno; + err = -ENOENT; goto out; } oldfidp = lookup_fid(s, oldfid); if (oldfidp == NULL) { - err = -errno; + err = -ENOENT; goto out; } v9fs_string_sprintf(&fullname, "%s/%s", dfidp->path.data, name.data); err = offset; - err = v9fs_do_link(s, &oldfidp->path, &fullname); - if (err) { - err = -errno; - } + err = v9fs_co_link(s, &oldfidp->path, &fullname); v9fs_string_free(&fullname); out: