diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/9pfs/coxattr.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c | 107 |
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; +} |