From: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> This include llistxattr and lgetxattr.
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri "<jv...@linux.vnet.ibm.com> --- Makefile.objs | 1 + hw/9pfs/coxattr.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 3 + 3 files changed, 96 insertions(+), 0 deletions(-) create mode 100644 hw/9pfs/coxattr.c diff --git a/Makefile.objs b/Makefile.objs index 83d30bd..98a345b 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -298,6 +298,7 @@ hw-obj-$(CONFIG_SOUND) += $(sound-obj-y) 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-local.o virtio-9p-xattr.o 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-xattr-user.o virtio-9p-posix-acl.o 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-coth.o cofs.o codir.o cofile.o +9pfs-nested-$(CONFIG_VIRTFS) += coxattr.o hw-obj-$(CONFIG_REALLY_VIRTFS) += $(addprefix 9pfs/, $(9pfs-nested-y)) $(addprefix 9pfs/, $(9pfs-nested-y)): QEMU_CFLAGS+=$(GLIB_CFLAGS) diff --git a/hw/9pfs/coxattr.c b/hw/9pfs/coxattr.c new file mode 100644 index 0000000..fe8526e --- /dev/null +++ b/hw/9pfs/coxattr.c @@ -0,0 +1,92 @@ + +/* + * Virtio 9p backend + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Aneesh Kumar K.V <aneesh.ku...@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" + + +typedef struct V9fsThLlistXattrState { + int err; + void *value; + size_t size; + V9fsState *s; + V9fsString *path; + V9fsRequest request; +} V9fsThLlistXattrState; + +static void v9fs_th_do_llistxattr(V9fsRequest *request) +{ + V9fsThLlistXattrState *vsp = container_of(request, V9fsThLlistXattrState, + request); + vsp->err = vsp->s->ops->llistxattr(&vsp->s->ctx, vsp->path->data, + vsp->value, vsp->size); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_llistxattr(V9fsState *s, V9fsString *path, void *value, size_t size) +{ + V9fsThLlistXattrState vs; + vs.s = s; + vs.path = path; + vs.value = value; + vs.size = size; + vs.request.func = v9fs_th_do_llistxattr; + vs.request.coroutine = qemu_coroutine_self(); + v9fs_qemu_submit_request(&vs.request); + qemu_coroutine_yield(); + return vs.err; +} + +typedef struct V9fsThLgetXattrState { + int err; + void *value; + size_t size; + V9fsState *s; + V9fsString *path; + V9fsString *xattr_name; + V9fsRequest request; +} V9fsThLgetXattrState; + +static void v9fs_th_do_lgetxattr(V9fsRequest *request) +{ + V9fsThLgetXattrState *vsp = container_of(request, V9fsThLgetXattrState, + request); + vsp->err = vsp->s->ops->lgetxattr(&vsp->s->ctx, vsp->path->data, + vsp->xattr_name->data, + vsp->value, vsp->size); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_lgetxattr(V9fsState *s, V9fsString *path, + V9fsString *xattr_name, + void *value, size_t size) +{ + V9fsThLgetXattrState vs; + vs.s = s; + vs.path = path; + vs.value = value; + vs.size = size; + vs.xattr_name = xattr_name; + vs.request.func = v9fs_th_do_lgetxattr; + vs.request.coroutine = qemu_coroutine_self(); + v9fs_qemu_submit_request(&vs.request); + qemu_coroutine_yield(); + return vs.err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 4e2bc23..c8d37dd 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -61,4 +61,7 @@ extern int v9fs_co_chmod(V9fsState *, V9fsString *, mode_t); extern int v9fs_co_utimensat(V9fsState *, V9fsString *, struct timespec [2]); extern int v9fs_co_chown(V9fsState *, V9fsString *, uid_t, gid_t); extern int v9fs_co_truncate(V9fsState *, V9fsString *, off_t); +extern int v9fs_co_llistxattr(V9fsState *, V9fsString *, void *, size_t); +extern int v9fs_co_lgetxattr(V9fsState *, V9fsString *, + V9fsString *, void *, size_t); #endif -- 1.7.1