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virtio-9p: Add minimal set of FileOperations

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Add minimal set of FileOperations and the corresponding implementations for
local fstype. These will be required for the FID management patches later on.

[aneesh.kumar@linux.vnet.ibm.com: rpath fix ]
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2010-04-29 17:44:47 +05:30
parent a03f787439
commit 131dcb2521
3 changed files with 124 additions and 2 deletions
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43
hw/virtio-9p.c
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@ -21,6 +21,41 @@
int dotu = 1;
int debug_9p_pdu;
static int v9fs_do_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf)
{
return s->ops->lstat(&s->ctx, path->data, stbuf);
}
static int v9fs_do_setuid(V9fsState *s, uid_t uid)
{
return s->ops->setuid(&s->ctx, uid);
}
static ssize_t v9fs_do_readlink(V9fsState *s, V9fsString *path, V9fsString *buf)
{
ssize_t len;
buf->data = qemu_malloc(1024);
len = s->ops->readlink(&s->ctx, path->data, buf->data, 1024 - 1);
if (len > -1) {
buf->size = len;
buf->data[len] = 0;
}
return len;
}
static int v9fs_do_close(V9fsState *s, int fd)
{
return s->ops->close(&s->ctx, fd);
}
static int v9fs_do_closedir(V9fsState *s, DIR *dir)
{
return s->ops->closedir(&s->ctx, dir);
}
static void v9fs_string_init(V9fsString *str)
{
str->data = NULL;
@ -437,9 +472,13 @@ static void v9fs_dummy(V9fsState *s, V9fsPDU *pdu)
(void) v9fs_string_sprintf;
(void) v9fs_string_copy;
(void) v9fs_string_size;
(void) v9fs_do_lstat;
(void) v9fs_do_setuid;
(void) v9fs_do_readlink;
(void) v9fs_do_close;
(void) v9fs_do_closedir;
}
static void v9fs_version(V9fsState *s, V9fsPDU *pdu)
{
if (debug_9p_pdu) {