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[Qemu-devel] [PATCH -V4 21/28] [virtio-9p] coroutine and threading for v
From: |
Aneesh Kumar K.V |
Subject: |
[Qemu-devel] [PATCH -V4 21/28] [virtio-9p] coroutine and threading for v9fs_do_link |
Date: |
Mon, 8 Aug 2011 22:36:48 +0530 |
From: Venkateswararao Jujjuri (JV) <address@hidden>
Signed-off-by: Venkateswararao Jujjuri "<address@hidden>
Signed-off-by: Aneesh Kumar K.V <address@hidden>
---
hw/9pfs/cofile.c | 14 ++++++++++++++
hw/9pfs/virtio-9p-coth.h | 1 +
hw/9pfs/virtio-9p.c | 19 ++++++-------------
3 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
index 26dd636..52eec2a 100644
--- a/hw/9pfs/cofile.c
+++ b/hw/9pfs/cofile.c
@@ -113,3 +113,17 @@ int v9fs_co_fsync(V9fsState *s, V9fsFidState *fidp, int
datasync)
});
return err;
}
+
+int v9fs_co_link(V9fsState *s, V9fsString *oldpath, V9fsString *newpath)
+{
+ int err;
+
+ v9fs_co_run_in_worker(
+ {
+ err = s->ops->link(&s->ctx, oldpath->data, newpath->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 e394933..17ffd76 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -88,4 +88,5 @@ extern int v9fs_co_close(V9fsState *, V9fsFidState *);
extern int v9fs_co_fsync(V9fsState *, V9fsFidState *, int);
extern int v9fs_co_symlink(V9fsState *, V9fsFidState *, const char *,
const char *, gid_t);
+extern int v9fs_co_link(V9fsState *, V9fsString *, V9fsString *);
#endif
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 1760cdb..2985770 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -117,11 +117,6 @@ static int v9fs_do_chmod(V9fsState *s, V9fsString *path,
mode_t mode)
return s->ops->chmod(&s->ctx, path->data, &cred);
}
-static int v9fs_do_link(V9fsState *s, V9fsString *oldpath, V9fsString *newpath)
-{
- return s->ops->link(&s->ctx, oldpath->data, newpath->data);
-}
-
static int v9fs_do_truncate(V9fsState *s, V9fsString *path, off_t size)
{
return s->ops->truncate(&s->ctx, path->data, size);
@@ -2032,9 +2027,8 @@ static void v9fs_create(void *opaque)
err = -EINVAL;
goto out;
}
- err = v9fs_do_link(pdu->s, &nfidp->path, &fullname);
+ err = v9fs_co_link(pdu->s, &nfidp->path, &fullname);
if (err < 0) {
- err = -errno;
goto out;
}
} else if (perm & P9_STAT_MODE_DEVICE) {
@@ -2174,21 +2168,20 @@ static void v9fs_link(void *opaque)
dfidp = lookup_fid(s, dfid);
if (dfidp == NULL) {
- err = -errno;
+ err = -ENOENT;
goto out;
}
oldfidp = lookup_fid(s, oldfid);
if (oldfidp == NULL) {
- err = -errno;
+ err = -ENOENT;
goto out;
}
v9fs_string_sprintf(&fullname, "%s/%s", dfidp->path.data, name.data);
- err = offset;
- err = v9fs_do_link(s, &oldfidp->path, &fullname);
- if (err) {
- err = -errno;
+ err = v9fs_co_link(s, &oldfidp->path, &fullname);
+ if (!err) {
+ err = offset;
}
v9fs_string_free(&fullname);
--
1.7.4.1
- [Qemu-devel] [PATCH -V4 02/28] hw/9pfs: Add yeild support for fstat coroutine, (continued)
- [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
- [Qemu-devel] [PATCH -V4 21/28] [virtio-9p] coroutine and threading for v9fs_do_link,
Aneesh Kumar K.V <=
- [Qemu-devel] [PATCH -V4 20/28] [virtio-9p] coroutine and threading for v9fs_do_symlink, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 28/28] use readdir_r instead of readdir for reentrancy, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 24/28] hw/9pfs: Update v9fs_wstat to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 01/28] hw/9pfs: Update vfs_rename to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 08/28] [virtio-9p] clean up v9fs_lcreate, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 23/28] hw/9pfs: Update v9fs_write to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 14/28] hw/9pfs: Add yield support for fsync coroutine, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 22/28] hw/9pfs: Add yield support for pwritev coroutine, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 03/28] hw/9pfs: Update v9fs_lock to use coroutines, Aneesh Kumar K.V, 2011/08/08
- [Qemu-devel] [PATCH -V4 16/28] [virtio-9p] Remove post functions for v9fs_create, Aneesh Kumar K.V, 2011/08/08