Patchwork [03/29] hw/9pfs: Add yeild support for fstat coroutine

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Submitter jvrao
Date May 25, 2011, 11:52 p.m.
Message ID <1306367597-797-4-git-send-email-jvrao@linux.vnet.ibm.com>
Download mbox | patch
Permalink /patch/97448/
State New
Headers show

Comments

jvrao - May 25, 2011, 11:52 p.m.
From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri "<jvrao@linux.vnet.ibm.com>
---
 hw/9pfs/cofile.c         |   14 ++++++++++++++
 hw/9pfs/virtio-9p-coth.h |    1 +
 2 files changed, 15 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
index a4c0ae7..e400b86 100644
--- a/hw/9pfs/cofile.c
+++ b/hw/9pfs/cofile.c
@@ -30,3 +30,17 @@  int v9fs_co_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf)
         });
     return err;
 }
+
+int v9fs_co_fstat(V9fsState *s, int fd, struct stat *stbuf)
+{
+    int err;
+
+    v9fs_co_run_in_worker(
+        {
+            err = s->ops->fstat(&s->ctx, fd, stbuf);
+            if (err < 0) {
+                err = -errno;
+            }
+        });
+    return err;
+}
diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h
index 11272d3..88070d3 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -76,4 +76,5 @@  extern int v9fs_co_mknod(V9fsState *, V9fsString *, uid_t,
 extern int v9fs_co_mkdir(V9fsState *, char *, mode_t, uid_t, gid_t);
 extern int v9fs_co_remove(V9fsState *, V9fsString *);
 extern int v9fs_co_rename(V9fsState *, V9fsString *, V9fsString *);
+extern int v9fs_co_fstat(V9fsState *, int, struct stat *);
 #endif