Differential D21280 Diff 60869 head/sys/fs/fuse/fuse_vnops.c

Changeset View

Standalone View

head/sys/fs/fuse/fuse_vnops.c

Show First 20 Lines • Show All 2,240 Lines • ▼ Show 20 Lines	fuse_vnop_listextattr(struct vop_listextattr_args *ap)
struct vnode *vp = ap->a_vp;		struct vnode *vp = ap->a_vp;
struct uio *uio = ap->a_uio;		struct uio *uio = ap->a_uio;
struct fuse_dispatcher fdi;		struct fuse_dispatcher fdi;
struct fuse_listxattr_in *list_xattr_in;		struct fuse_listxattr_in *list_xattr_in;
struct fuse_listxattr_out *list_xattr_out;		struct fuse_listxattr_out *list_xattr_out;
struct mount *mp = vnode_mount(vp);		struct mount *mp = vnode_mount(vp);
struct thread *td = ap->a_td;		struct thread *td = ap->a_td;
struct ucred *cred = ap->a_cred;		struct ucred *cred = ap->a_cred;
size_t len;
char *prefix;		char *prefix;
char *attr_str;
char *bsd_list = NULL;		char *bsd_list = NULL;
char *linux_list;		char *linux_list;
int bsd_list_len;		int bsd_list_len;
int linux_list_len;		int linux_list_len;
int err;		int err;

if (fuse_isdeadfs(vp))		if (fuse_isdeadfs(vp))
return (ENXIO);		return (ENXIO);
Show All 9 Lines	fuse_vnop_listextattr(struct vop_listextattr_args *ap)
* Add space for a NUL and the period separator if enabled.		* Add space for a NUL and the period separator if enabled.
* Default to looking for user attributes.		* Default to looking for user attributes.
*/		*/
if (ap->a_attrnamespace == EXTATTR_NAMESPACE_SYSTEM)		if (ap->a_attrnamespace == EXTATTR_NAMESPACE_SYSTEM)
prefix = EXTATTR_NAMESPACE_SYSTEM_STRING;		prefix = EXTATTR_NAMESPACE_SYSTEM_STRING;
else		else
prefix = EXTATTR_NAMESPACE_USER_STRING;		prefix = EXTATTR_NAMESPACE_USER_STRING;

len = strlen(prefix) + sizeof(extattr_namespace_separator) + 1;		fdisp_init(&fdi, sizeof(*list_xattr_in));

fdisp_init(&fdi, sizeof(*list_xattr_in) + len);
fdisp_make_vp(&fdi, FUSE_LISTXATTR, vp, td, cred);		fdisp_make_vp(&fdi, FUSE_LISTXATTR, vp, td, cred);

/*		/*
* Retrieve Linux / FUSE compatible list size.		* Retrieve Linux / FUSE compatible list size.
*/		*/
list_xattr_in = fdi.indata;		list_xattr_in = fdi.indata;
list_xattr_in->size = 0;		list_xattr_in->size = 0;
attr_str = (char )fdi.indata + sizeof(list_xattr_in);
snprintf(attr_str, len, "%s%c", prefix, extattr_namespace_separator);

err = fdisp_wait_answ(&fdi);		err = fdisp_wait_answ(&fdi);
if (err != 0) {		if (err != 0) {
if (err == ENOSYS) {		if (err == ENOSYS) {
fsess_set_notimpl(mp, FUSE_LISTXATTR);		fsess_set_notimpl(mp, FUSE_LISTXATTR);
err = EOPNOTSUPP;		err = EOPNOTSUPP;
}		}
goto out;		goto out;
}		}

list_xattr_out = fdi.answ;		list_xattr_out = fdi.answ;
linux_list_len = list_xattr_out->size;		linux_list_len = list_xattr_out->size;
if (linux_list_len == 0) {		if (linux_list_len == 0) {
if (ap->a_size != NULL)		if (ap->a_size != NULL)
*ap->a_size = linux_list_len;		*ap->a_size = linux_list_len;
goto out;		goto out;
}		}

/*		/*
* Retrieve Linux / FUSE compatible list values.		* Retrieve Linux / FUSE compatible list values.
*/		*/
fdisp_refresh_vp(&fdi, FUSE_LISTXATTR, vp, td, cred);		fdisp_refresh_vp(&fdi, FUSE_LISTXATTR, vp, td, cred);
list_xattr_in = fdi.indata;		list_xattr_in = fdi.indata;
list_xattr_in->size = linux_list_len + sizeof(*list_xattr_out);		list_xattr_in->size = linux_list_len + sizeof(*list_xattr_out);
attr_str = (char )fdi.indata + sizeof(list_xattr_in);
snprintf(attr_str, len, "%s%c", prefix, extattr_namespace_separator);

err = fdisp_wait_answ(&fdi);		err = fdisp_wait_answ(&fdi);
if (err != 0)		if (err != 0)
goto out;		goto out;

linux_list = fdi.answ;		linux_list = fdi.answ;
linux_list_len = fdi.iosize;		linux_list_len = fdi.iosize;

▲ Show 20 Lines • Show All 149 Lines • Show Last 20 Lines