diff options
Diffstat (limited to 'qemu/hw/9pfs/codir.c')
-rw-r--r-- | qemu/hw/9pfs/codir.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/qemu/hw/9pfs/codir.c b/qemu/hw/9pfs/codir.c deleted file mode 100644 index 91df7f7a7..000000000 --- a/qemu/hw/9pfs/codir.c +++ /dev/null @@ -1,169 +0,0 @@ - -/* - * 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 "qemu/osdep.h" -#include "fsdev/qemu-fsdev.h" -#include "qemu/thread.h" -#include "qemu/coroutine.h" -#include "coth.h" - -int v9fs_co_readdir_r(V9fsPDU *pdu, V9fsFidState *fidp, struct dirent *dent, - struct dirent **result) -{ - int err; - V9fsState *s = pdu->s; - - if (v9fs_request_cancelled(pdu)) { - return -EINTR; - } - v9fs_co_run_in_worker( - { - errno = 0; - err = s->ops->readdir_r(&s->ctx, &fidp->fs, dent, result); - if (!*result && errno) { - err = -errno; - } else { - err = 0; - } - }); - return err; -} - -off_t v9fs_co_telldir(V9fsPDU *pdu, V9fsFidState *fidp) -{ - off_t err; - V9fsState *s = pdu->s; - - if (v9fs_request_cancelled(pdu)) { - return -EINTR; - } - v9fs_co_run_in_worker( - { - err = s->ops->telldir(&s->ctx, &fidp->fs); - if (err < 0) { - err = -errno; - } - }); - return err; -} - -void v9fs_co_seekdir(V9fsPDU *pdu, V9fsFidState *fidp, off_t offset) -{ - V9fsState *s = pdu->s; - if (v9fs_request_cancelled(pdu)) { - return; - } - v9fs_co_run_in_worker( - { - s->ops->seekdir(&s->ctx, &fidp->fs, offset); - }); -} - -void v9fs_co_rewinddir(V9fsPDU *pdu, V9fsFidState *fidp) -{ - V9fsState *s = pdu->s; - if (v9fs_request_cancelled(pdu)) { - return; - } - v9fs_co_run_in_worker( - { - s->ops->rewinddir(&s->ctx, &fidp->fs); - }); -} - -int v9fs_co_mkdir(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name, - mode_t mode, uid_t uid, gid_t gid, struct stat *stbuf) -{ - int err; - FsCred cred; - V9fsPath path; - V9fsState *s = pdu->s; - - if (v9fs_request_cancelled(pdu)) { - return -EINTR; - } - cred_init(&cred); - cred.fc_mode = mode; - cred.fc_uid = uid; - cred.fc_gid = gid; - v9fs_path_read_lock(s); - v9fs_co_run_in_worker( - { - err = s->ops->mkdir(&s->ctx, &fidp->path, name->data, &cred); - if (err < 0) { - err = -errno; - } else { - v9fs_path_init(&path); - err = v9fs_name_to_path(s, &fidp->path, name->data, &path); - if (!err) { - err = s->ops->lstat(&s->ctx, &path, stbuf); - if (err < 0) { - err = -errno; - } - } - v9fs_path_free(&path); - } - }); - v9fs_path_unlock(s); - return err; -} - -int v9fs_co_opendir(V9fsPDU *pdu, V9fsFidState *fidp) -{ - int err; - V9fsState *s = pdu->s; - - if (v9fs_request_cancelled(pdu)) { - return -EINTR; - } - v9fs_path_read_lock(s); - v9fs_co_run_in_worker( - { - err = s->ops->opendir(&s->ctx, &fidp->path, &fidp->fs); - if (err < 0) { - err = -errno; - } else { - err = 0; - } - }); - v9fs_path_unlock(s); - if (!err) { - total_open_fd++; - if (total_open_fd > open_fd_hw) { - v9fs_reclaim_fd(pdu); - } - } - return err; -} - -int v9fs_co_closedir(V9fsPDU *pdu, V9fsFidOpenState *fs) -{ - int err; - V9fsState *s = pdu->s; - - if (v9fs_request_cancelled(pdu)) { - return -EINTR; - } - v9fs_co_run_in_worker( - { - err = s->ops->closedir(&s->ctx, fs); - if (err < 0) { - err = -errno; - } - }); - if (!err) { - total_open_fd--; - } - return err; -} |