4 * Copyright IBM, Corp. 2011
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
14 #include "qemu/osdep.h"
15 #include "fsdev/qemu-fsdev.h"
16 #include "qemu/thread.h"
17 #include "qemu/coroutine.h"
18 #include "qemu/main-loop.h"
21 int coroutine_fn v9fs_co_readdir(V9fsPDU *pdu, V9fsFidState *fidp,
25 V9fsState *s = pdu->s;
27 if (v9fs_request_cancelled(pdu)) {
30 v9fs_co_run_in_worker(
35 entry = s->ops->readdir(&s->ctx, &fidp->fs);
36 if (!entry && errno) {
46 off_t v9fs_co_telldir(V9fsPDU *pdu, V9fsFidState *fidp)
49 V9fsState *s = pdu->s;
51 if (v9fs_request_cancelled(pdu)) {
54 v9fs_co_run_in_worker(
56 err = s->ops->telldir(&s->ctx, &fidp->fs);
64 void coroutine_fn v9fs_co_seekdir(V9fsPDU *pdu, V9fsFidState *fidp,
67 V9fsState *s = pdu->s;
68 if (v9fs_request_cancelled(pdu)) {
71 v9fs_co_run_in_worker(
73 s->ops->seekdir(&s->ctx, &fidp->fs, offset);
77 void coroutine_fn v9fs_co_rewinddir(V9fsPDU *pdu, V9fsFidState *fidp)
79 V9fsState *s = pdu->s;
80 if (v9fs_request_cancelled(pdu)) {
83 v9fs_co_run_in_worker(
85 s->ops->rewinddir(&s->ctx, &fidp->fs);
89 int coroutine_fn v9fs_co_mkdir(V9fsPDU *pdu, V9fsFidState *fidp,
90 V9fsString *name, mode_t mode, uid_t uid,
91 gid_t gid, struct stat *stbuf)
96 V9fsState *s = pdu->s;
98 if (v9fs_request_cancelled(pdu)) {
105 v9fs_path_read_lock(s);
106 v9fs_co_run_in_worker(
108 err = s->ops->mkdir(&s->ctx, &fidp->path, name->data, &cred);
112 v9fs_path_init(&path);
113 err = v9fs_name_to_path(s, &fidp->path, name->data, &path);
115 err = s->ops->lstat(&s->ctx, &path, stbuf);
120 v9fs_path_free(&path);
127 int coroutine_fn v9fs_co_opendir(V9fsPDU *pdu, V9fsFidState *fidp)
130 V9fsState *s = pdu->s;
132 if (v9fs_request_cancelled(pdu)) {
135 v9fs_path_read_lock(s);
136 v9fs_co_run_in_worker(
138 err = s->ops->opendir(&s->ctx, &fidp->path, &fidp->fs);
148 if (total_open_fd > open_fd_hw) {
149 v9fs_reclaim_fd(pdu);
155 int coroutine_fn v9fs_co_closedir(V9fsPDU *pdu, V9fsFidOpenState *fs)
158 V9fsState *s = pdu->s;
160 if (v9fs_request_cancelled(pdu)) {
163 v9fs_co_run_in_worker(
165 err = s->ops->closedir(&s->ctx, fs);