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/*
* Virtio 9p backend
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#include "fsdev/qemu-fsdev.h"
#include "qemu-thread.h"
#include "qemu-coroutine.h"
#include "virtio-9p-coth.h"
int v9fs_co_readdir(V9fsState *s, V9fsFidState *fidp, struct dirent **dent)
{
int err;
v9fs_co_run_in_worker(
{
errno = 0;
/*FIXME!! need to switch to readdir_r */
*dent = s->ops->readdir(&s->ctx, fidp->fs.dir);
if (!*dent && errno) {
err = -errno;
} else {
err = 0;
}
});
return err;
}
off_t v9fs_co_telldir(V9fsState *s, V9fsFidState *fidp)
{
off_t err;
v9fs_co_run_in_worker(
{
err = s->ops->telldir(&s->ctx, fidp->fs.dir);
if (err < 0) {
err = -errno;
}
});
return err;
}
void v9fs_co_seekdir(V9fsState *s, V9fsFidState *fidp, off_t offset)
{
v9fs_co_run_in_worker(
{
s->ops->seekdir(&s->ctx, fidp->fs.dir, offset);
});
}
void v9fs_co_rewinddir(V9fsState *s, V9fsFidState *fidp)
{
v9fs_co_run_in_worker(
{
s->ops->rewinddir(&s->ctx, fidp->fs.dir);
});
}
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