[Qemu-devel] [V3 24/24] [virtio-9p] coroutine and threading for remove/unlink

["Venkateswararao Jujjuri (JV)" <jvrao@linux.vnet.ibm.com>]

Signed-off-by: Venkateswararao Jujjuri "<jvrao@linux.vnet.ibm.com>
---
 hw/9pfs/cofs.c           |   14 ++++++++++++++
 hw/9pfs/virtio-9p-coth.h |    1 +
 hw/9pfs/virtio-9p.c      |   11 ++---------
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c
index 293e377..70d1273 100644
--- a/hw/9pfs/cofs.c
+++ b/hw/9pfs/cofs.c
@@ -140,3 +140,17 @@ int v9fs_co_mknod(V9fsState *s, V9fsString *path, uid_t uid,
         });
     return err;
 }
+
+int v9fs_co_remove(V9fsState *s, V9fsString *path)
+{
+    int err;
+
+    v9fs_co_run_in_worker(
+        {
+            err = s->ops->remove(&s->ctx, path->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 96e88d8..60795c4 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -74,4 +74,5 @@ extern int v9fs_co_lgetxattr(V9fsState *, V9fsString *,
 extern int v9fs_co_mknod(V9fsState *, V9fsString *, uid_t,
                          gid_t, dev_t, mode_t);
 extern int v9fs_co_mkdir(V9fsState *, char *, mode_t, uid_t, gid_t);
+extern int v9fs_co_remove(V9fsState *, V9fsString *);
 #endif
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 7327b3b..a5f0590 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -212,11 +212,6 @@ static int v9fs_do_utimensat(V9fsState *s, V9fsString *path,
     return s->ops->utimensat(&s->ctx, path->data, times);
 }
 
-static int v9fs_do_remove(V9fsState *s, V9fsString *path)
-{
-    return s->ops->remove(&s->ctx, path->data);
-}
-
 static int v9fs_do_fsync(V9fsState *s, int fd, int datasync)
 {
     return s->ops->fsync(&s->ctx, fd, datasync);
@@ -2595,10 +2590,8 @@ static void v9fs_remove(void *opaque)
         err = -EINVAL;
         goto out;
     }
-    err = v9fs_do_remove(pdu->s, &fidp->path);
-    if (err < 0) {
-        err = -errno;
-    } else {
+    err = v9fs_co_remove(pdu->s, &fidp->path);
+    if (!err) {
         err = offset;
     }
 
-- 
1.7.1