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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/9pfs/coxattr.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/9pfs/coxattr.c')
-rw-r--r--qemu/hw/9pfs/coxattr.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/qemu/hw/9pfs/coxattr.c b/qemu/hw/9pfs/coxattr.c
new file mode 100644
index 000000000..18ee08df0
--- /dev/null
+++ b/qemu/hw/9pfs/coxattr.c
@@ -0,0 +1,107 @@
+
+/*
+ * 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 "block/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;
+}