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[Qemu-devel] [PATCH -V4 11/21] virtio-9p: Add P9_TSTAT support
From: |
Aneesh Kumar K.V |
Subject: |
[Qemu-devel] [PATCH -V4 11/21] virtio-9p: Add P9_TSTAT support |
Date: |
Fri, 9 Apr 2010 17:13:14 +0530 |
From: Anthony Liguori <address@hidden>
Implement P9_TSTAT support. This get the mount to work on the guest.
address@hidden: malloc to qemu_malloc conversion]
Signed-off-by: Anthony Liguori <address@hidden>
Signed-off-by: Aneesh Kumar K.V <address@hidden>
---
hw/virtio-9p.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 53 insertions(+), 2 deletions(-)
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index 4ab4f9a..342eb5e 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -897,11 +897,62 @@ out:
v9fs_string_free(&aname);
}
+typedef struct V9fsStatState {
+ V9fsPDU *pdu;
+ size_t offset;
+ V9fsStat v9stat;
+ V9fsFidState *fidp;
+ struct stat stbuf;
+} V9fsStatState;
+
+static void v9fs_stat_post_lstat(V9fsState *s, V9fsStatState *vs, int err)
+{
+ if (err == -1) {
+ err = -errno;
+ goto out;
+ }
+
+ err = stat_to_v9stat(s, &vs->fidp->path, &vs->stbuf, &vs->v9stat);
+ if (err) {
+ goto out;
+ }
+ vs->offset += pdu_marshal(vs->pdu, vs->offset, "wS", 0, &vs->v9stat);
+ err = vs->offset;
+
+out:
+ complete_pdu(s, vs->pdu, err);
+ v9fs_stat_free(&vs->v9stat);
+ qemu_free(vs);
+}
+
static void v9fs_stat(V9fsState *s, V9fsPDU *pdu)
{
- if (debug_9p_pdu) {
- pprint_pdu(pdu);
+ int32_t fid;
+ V9fsStatState *vs;
+ ssize_t err = 0;
+
+ vs = qemu_malloc(sizeof(*vs));
+ vs->pdu = pdu;
+ vs->offset = 7;
+
+ memset(&vs->v9stat, 0, sizeof(vs->v9stat));
+
+ pdu_unmarshal(vs->pdu, vs->offset, "d", &fid);
+
+ vs->fidp = lookup_fid(s, fid);
+ if (vs->fidp == NULL) {
+ err = -ENOENT;
+ goto out;
}
+
+ err = v9fs_do_lstat(s, &vs->fidp->path, &vs->stbuf);
+ v9fs_stat_post_lstat(s, vs, err);
+ return;
+
+out:
+ complete_pdu(s, vs->pdu, err);
+ v9fs_stat_free(&vs->v9stat);
+ qemu_free(vs);
}
static void v9fs_walk(V9fsState *s, V9fsPDU *pdu)
--
1.7.0.4.360.g11766c
- [Qemu-devel] [PATCH -V4 00/21] virtio-9p: paravirtual file system passthrough, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 05/21] virtio-9p: Add minimal set of FileOperations, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 01/21] virtio-9p: Create a commandline option -fsdev, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 03/21] virtio-9p: pdu processing support., Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 02/21] virtio-9p: Add a virtio 9p device to qemu, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 04/21] virtio-9p: Add string manipulation support., Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 10/21] virtio-9p: Add P9_TATTACH support., Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 07/21] virtio-9p: Add stat and mode related helper functions., Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 06/21] virtio-9p: Add fid and qid management support., Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 11/21] virtio-9p: Add P9_TSTAT support,
Aneesh Kumar K.V <=
- [Qemu-devel] [PATCH -V4 08/21] virtio-9p: Add sg helper functions, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 09/21] virtio-9p: Add P9_TVERSION support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 14/21] virtio-9p: Add P9_TREAD support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 12/21] virtio-9p: Add P9_TWALK support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 15/21] virtio-9p: Add P9_TCLUNK support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 17/21] virtio-9p: Add P9_TCREATE support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 16/21] virtio-9p: Add P9_TWRITE support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 19/21] virtio-9p: Add P9_TREMOVE support., Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 20/21] virtio-9p: Add P9_TFLUSH support, Aneesh Kumar K.V, 2010/04/09
- [Qemu-devel] [PATCH -V4 13/21] virtio-9p: Add P9_TOPEN support., Aneesh Kumar K.V, 2010/04/09