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[Qemu-devel] [PATCH -V4 10/28] hw/9pfs: Update v9fs_stat to use coroutin
From: |
Aneesh Kumar K.V |
Subject: |
[Qemu-devel] [PATCH -V4 10/28] hw/9pfs: Update v9fs_stat to use coroutines |
Date: |
Mon, 8 Aug 2011 22:36:37 +0530 |
Signed-off-by: Aneesh Kumar K.V <address@hidden>
---
hw/9pfs/virtio-9p.c | 61 +++++++++++++++++---------------------------------
1 files changed, 21 insertions(+), 40 deletions(-)
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 43f5503..cc28161 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -1169,56 +1169,37 @@ out:
v9fs_string_free(&aname);
}
-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(void *opaque)
{
- V9fsPDU *pdu = opaque;
- V9fsState *s = pdu->s;
int32_t fid;
- V9fsStatState *vs;
+ V9fsStat v9stat;
ssize_t err = 0;
+ size_t offset = 7;
+ struct stat stbuf;
+ V9fsFidState *fidp;
+ V9fsPDU *pdu = opaque;
+ V9fsState *s = pdu->s;
- 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);
+ pdu_unmarshal(pdu, offset, "d", &fid);
- vs->fidp = lookup_fid(s, fid);
- if (vs->fidp == NULL) {
+ fidp = lookup_fid(s, fid);
+ if (fidp == NULL) {
err = -ENOENT;
goto out;
}
-
- err = v9fs_do_lstat(s, &vs->fidp->path, &vs->stbuf);
- v9fs_stat_post_lstat(s, vs, err);
- return;
-
+ err = v9fs_co_lstat(s, &fidp->path, &stbuf);
+ if (err < 0) {
+ goto out;
+ }
+ err = stat_to_v9stat(s, &fidp->path, &stbuf, &v9stat);
+ if (err < 0) {
+ goto out;
+ }
+ offset += pdu_marshal(pdu, offset, "wS", 0, &v9stat);
+ err = offset;
+ v9fs_stat_free(&v9stat);
out:
- complete_pdu(s, vs->pdu, err);
- v9fs_stat_free(&vs->v9stat);
- qemu_free(vs);
+ complete_pdu(s, pdu, err);
}
static void v9fs_getattr(void *opaque)
--
1.7.4.1
- [Qemu-devel] [PATCHSET 2] VirtFS coroutine changes, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 07/28] [virtio-9p] Remove post functions for v9fs_lcreate, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 18/28] [virtio-9p] Remove post functions for v9fs_symlink, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 26/28] hw/9pfs: Add yield support for preadv coroutine, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 27/28] hw/9pfs: Update v9fs_read to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 09/28] [virtio-9p] coroutine and threading for open2, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 11/28] hw/9pfs: Update v9fs_walk to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 10/28] hw/9pfs: Update v9fs_stat to use coroutines,
Aneesh Kumar K.V <=
- [Qemu-devel] [PATCH -V4 02/28] hw/9pfs: Add yeild support for fstat coroutine, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 06/28] hw/9pfs: Update v9fs_open to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 25/28] hw/9pfs: Update v9fs_attach to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 15/28] hw/9pfs: Update v9fs_fsync to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 19/28] [virtio-9p] clean up v9fs_symlink, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 04/28] hw/9pfs: Update v9fs_getlock to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 13/28] hw/9pfs: Update v9fs_clunk to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 05/28] hw/9pfs: Add yield support for open and opendir coroutine, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 17/28] [virtio-9p] clean up v9fs_create Rearrange the code, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 12/28] hw/9pfs: Add yeild support for clunk related coroutine, Aneesh Kumar K.V, 2011/08/08