root / hw / 9pfs / coxattr.c @ 1de7afc9
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/*
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* Virtio 9p backend
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*
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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*
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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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*
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*/
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#include "fsdev/qemu-fsdev.h" |
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#include "qemu/thread.h" |
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#include "block/coroutine.h" |
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#include "virtio-9p-coth.h" |
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int v9fs_co_llistxattr(V9fsPDU *pdu, V9fsPath *path, void *value, size_t size) |
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{
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int err;
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V9fsState *s = pdu->s; |
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if (v9fs_request_cancelled(pdu)) {
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return -EINTR;
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} |
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v9fs_path_read_lock(s); |
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v9fs_co_run_in_worker( |
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{
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err = s->ops->llistxattr(&s->ctx, path, value, size); |
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if (err < 0) { |
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err = -errno; |
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} |
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}); |
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v9fs_path_unlock(s); |
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return err;
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} |
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int v9fs_co_lgetxattr(V9fsPDU *pdu, V9fsPath *path,
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V9fsString *xattr_name, |
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void *value, size_t size)
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{
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int err;
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V9fsState *s = pdu->s; |
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if (v9fs_request_cancelled(pdu)) {
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return -EINTR;
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} |
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v9fs_path_read_lock(s); |
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v9fs_co_run_in_worker( |
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{
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err = s->ops->lgetxattr(&s->ctx, path, |
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xattr_name->data, |
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value, size); |
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if (err < 0) { |
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err = -errno; |
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} |
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}); |
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v9fs_path_unlock(s); |
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return err;
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} |
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int v9fs_co_lsetxattr(V9fsPDU *pdu, V9fsPath *path,
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V9fsString *xattr_name, void *value,
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size_t size, int flags)
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{
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int err;
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V9fsState *s = pdu->s; |
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if (v9fs_request_cancelled(pdu)) {
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return -EINTR;
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} |
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v9fs_path_read_lock(s); |
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v9fs_co_run_in_worker( |
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{
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err = s->ops->lsetxattr(&s->ctx, path, |
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xattr_name->data, value, |
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size, flags); |
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if (err < 0) { |
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err = -errno; |
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} |
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}); |
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v9fs_path_unlock(s); |
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return err;
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} |
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int v9fs_co_lremovexattr(V9fsPDU *pdu, V9fsPath *path,
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V9fsString *xattr_name) |
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{
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int err;
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V9fsState *s = pdu->s; |
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if (v9fs_request_cancelled(pdu)) {
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return -EINTR;
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} |
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v9fs_path_read_lock(s); |
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v9fs_co_run_in_worker( |
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{
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err = s->ops->lremovexattr(&s->ctx, path, xattr_name->data); |
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if (err < 0) { |
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err = -errno; |
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} |
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}); |
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v9fs_path_unlock(s); |
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return err;
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} |