From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=47881 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PlmYc-0005f4-E6 for qemu-devel@nongnu.org; Sat, 05 Feb 2011 13:08:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PlmYb-0007MS-Ak for qemu-devel@nongnu.org; Sat, 05 Feb 2011 13:08:26 -0500 Received: from e28smtp09.in.ibm.com ([122.248.162.9]:56766) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PlmYa-0007MC-L9 for qemu-devel@nongnu.org; Sat, 05 Feb 2011 13:08:25 -0500 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by e28smtp09.in.ibm.com (8.14.4/8.13.1) with ESMTP id p15HK5I4003011 for ; Sat, 5 Feb 2011 22:50:05 +0530 Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p15I8MmE3428482 for ; Sat, 5 Feb 2011 23:38:22 +0530 Received: from d28av04.in.ibm.com (loopback [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p15I8M0F019334 for ; Sun, 6 Feb 2011 05:08:22 +1100 From: "Aneesh Kumar K.V" Date: Sat, 5 Feb 2011 23:38:10 +0530 Message-Id: <1296929291-11047-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> In-Reply-To: <1296929291-11047-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1296929291-11047-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Subject: [Qemu-devel] [RFC PATCH -V1 3/4] hw/9pfs: Implement syncfs List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, "Aneesh Kumar K.V" Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/virtio-9p.c | 31 +++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p.h | 2 ++ 2 files changed, 33 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c index 2d9ca11..1518e00 100644 --- a/hw/9pfs/virtio-9p.c +++ b/hw/9pfs/virtio-9p.c @@ -1978,6 +1978,36 @@ static void v9fs_fsync(V9fsState *s, V9fsPDU *pdu) v9fs_post_do_fsync(s, pdu, err); } +static void v9fs_post_do_syncfs(V9fsState *s, V9fsPDU *pdu, int err) +{ + if (err == -1) { + err = -errno; + } + complete_pdu(s, pdu, err); +} + +static void v9fs_syncfs(V9fsState *s, V9fsPDU *pdu) +{ + int err; + int32_t fid; + size_t offset = 7; + V9fsFidState *fidp; + + pdu_unmarshal(pdu, offset, "d", &fid); + fidp = lookup_fid(s, fid); + if (fidp == NULL) { + err = -ENOENT; + v9fs_post_do_syncfs(s, pdu, err); + return; + } + /* + * We don't have per file system syncfs + * So just return success + */ + err = 0; + v9fs_post_do_syncfs(s, pdu, err); +} + static void v9fs_clunk(V9fsState *s, V9fsPDU *pdu) { int32_t fid; @@ -3676,6 +3706,7 @@ static pdu_handler_t *pdu_handlers[] = { [P9_TWALK] = v9fs_walk, [P9_TCLUNK] = v9fs_clunk, [P9_TFSYNC] = v9fs_fsync, + [P9_TSYNCFS] = v9fs_syncfs, [P9_TOPEN] = v9fs_open, [P9_TREAD] = v9fs_read, #if 0 diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h index 82b4252..b2cd24b 100644 --- a/hw/9pfs/virtio-9p.h +++ b/hw/9pfs/virtio-9p.h @@ -13,6 +13,8 @@ #define VIRTIO_9P_MOUNT_TAG 0 enum { + P9_TSYNCFS = 0, + P9_RSYNCFS, P9_TLERROR = 6, P9_RLERROR, P9_TSTATFS = 8, -- 1.7.1