| |
| /* |
| * 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_llistxattr(V9fsPDU *pdu, V9fsPath *path, void *value, size_t size) |
| { |
| 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->llistxattr(&s->ctx, path, value, size); |
| if (err < 0) { |
| err = -errno; |
| } |
| }); |
| v9fs_path_unlock(s); |
| return err; |
| } |
| |
| int v9fs_co_lgetxattr(V9fsPDU *pdu, V9fsPath *path, |
| V9fsString *xattr_name, |
| void *value, size_t size) |
| { |
| 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->lgetxattr(&s->ctx, path, |
| xattr_name->data, |
| value, size); |
| if (err < 0) { |
| err = -errno; |
| } |
| }); |
| v9fs_path_unlock(s); |
| return err; |
| } |
| |
| int v9fs_co_lsetxattr(V9fsPDU *pdu, V9fsPath *path, |
| V9fsString *xattr_name, void *value, |
| size_t size, int flags) |
| { |
| 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->lsetxattr(&s->ctx, path, |
| xattr_name->data, value, |
| size, flags); |
| if (err < 0) { |
| err = -errno; |
| } |
| }); |
| v9fs_path_unlock(s); |
| return err; |
| } |
| |
| int v9fs_co_lremovexattr(V9fsPDU *pdu, V9fsPath *path, |
| V9fsString *xattr_name) |
| { |
| 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->lremovexattr(&s->ctx, path, xattr_name->data); |
| if (err < 0) { |
| err = -errno; |
| } |
| }); |
| v9fs_path_unlock(s); |
| return err; |
| } |