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"
20 int v9fs_co_readdir(V9fsPDU *pdu, V9fsFidState *fidp, struct dirent **dent)
23 V9fsState *s = pdu->s;
25 if (v9fs_request_cancelled(pdu)) {
28 v9fs_co_run_in_worker(
33 entry = s->ops->readdir(&s->ctx, &fidp->fs);
34 if (!entry && errno) {
44 off_t v9fs_co_telldir(V9fsPDU *pdu, V9fsFidState *fidp)
47 V9fsState *s = pdu->s;
49 if (v9fs_request_cancelled(pdu)) {
52 v9fs_co_run_in_worker(
54 err = s->ops->telldir(&s->ctx, &fidp->fs);
62 void v9fs_co_seekdir(V9fsPDU *pdu, V9fsFidState *fidp, off_t offset)
64 V9fsState *s = pdu->s;
65 if (v9fs_request_cancelled(pdu)) {
68 v9fs_co_run_in_worker(
70 s->ops->seekdir(&s->ctx, &fidp->fs, offset);
74 void v9fs_co_rewinddir(V9fsPDU *pdu, V9fsFidState *fidp)
76 V9fsState *s = pdu->s;
77 if (v9fs_request_cancelled(pdu)) {
80 v9fs_co_run_in_worker(
82 s->ops->rewinddir(&s->ctx, &fidp->fs);
86 int v9fs_co_mkdir(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name,
87 mode_t mode, uid_t uid, gid_t gid, struct stat *stbuf)
92 V9fsState *s = pdu->s;
94 if (v9fs_request_cancelled(pdu)) {
101 v9fs_path_read_lock(s);
102 v9fs_co_run_in_worker(
104 err = s->ops->mkdir(&s->ctx, &fidp->path, name->data, &cred);
108 v9fs_path_init(&path);
109 err = v9fs_name_to_path(s, &fidp->path, name->data, &path);
111 err = s->ops->lstat(&s->ctx, &path, stbuf);
116 v9fs_path_free(&path);
123 int v9fs_co_opendir(V9fsPDU *pdu, V9fsFidState *fidp)
126 V9fsState *s = pdu->s;
128 if (v9fs_request_cancelled(pdu)) {
131 v9fs_path_read_lock(s);
132 v9fs_co_run_in_worker(
134 err = s->ops->opendir(&s->ctx, &fidp->path, &fidp->fs);
144 if (total_open_fd > open_fd_hw) {
145 v9fs_reclaim_fd(pdu);
151 int v9fs_co_closedir(V9fsPDU *pdu, V9fsFidOpenState *fs)
154 V9fsState *s = pdu->s;
156 if (v9fs_request_cancelled(pdu)) {
159 v9fs_co_run_in_worker(
161 err = s->ops->closedir(&s->ctx, fs);