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* Copyright IBM, Corp. 2011
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* Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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#include "fsdev/qemu-fsdev.h"
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#include "qemu-thread.h"
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#include "qemu-coroutine.h"
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#include "virtio-9p-coth.h"
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int v9fs_co_readdir_r(V9fsPDU *pdu, V9fsFidState *fidp, struct dirent *dent,
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struct dirent **result)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_co_run_in_worker(
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err = s->ops->readdir_r(&s->ctx, &fidp->fs, dent, result);
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if (!*result && errno) {
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off_t v9fs_co_telldir(V9fsPDU *pdu, V9fsFidState *fidp)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_co_run_in_worker(
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err = s->ops->telldir(&s->ctx, &fidp->fs);
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void v9fs_co_seekdir(V9fsPDU *pdu, V9fsFidState *fidp, off_t offset)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_co_run_in_worker(
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s->ops->seekdir(&s->ctx, &fidp->fs, offset);
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void v9fs_co_rewinddir(V9fsPDU *pdu, V9fsFidState *fidp)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_co_run_in_worker(
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s->ops->rewinddir(&s->ctx, &fidp->fs);
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int v9fs_co_mkdir(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name,
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mode_t mode, uid_t uid, gid_t gid, struct stat *stbuf)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_path_read_lock(s);
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v9fs_co_run_in_worker(
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err = s->ops->mkdir(&s->ctx, &fidp->path, name->data, &cred);
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v9fs_path_init(&path);
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err = v9fs_name_to_path(s, &fidp->path, name->data, &path);
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err = s->ops->lstat(&s->ctx, &path, stbuf);
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v9fs_path_free(&path);
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int v9fs_co_opendir(V9fsPDU *pdu, V9fsFidState *fidp)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_path_read_lock(s);
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v9fs_co_run_in_worker(
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err = s->ops->opendir(&s->ctx, &fidp->path, &fidp->fs);
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if (total_open_fd > open_fd_hw) {
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v9fs_reclaim_fd(pdu);
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int v9fs_co_closedir(V9fsPDU *pdu, V9fsFidOpenState *fs)
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V9fsState *s = pdu->s;
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if (v9fs_request_cancelled(pdu)) {
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v9fs_co_run_in_worker(
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err = s->ops->closedir(&s->ctx, fs);