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samba-mirror/source3/modules/vfs_gpfs.c

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/*
Unix SMB/CIFS implementation.
Wrap gpfs calls in vfs functions.
Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
and Gomati Mohanan <gomati.mohanan@in.ibm.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
#include <gpfs_gpl.h>
#include "nfs4_acls.h"
static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
int fd, uint32 share_mode)
{
START_PROFILE(syscall_kernel_flock);
kernel_flock(fsp->fh->fd, share_mode);
if (!set_gpfs_sharemode(fsp, fsp->access_mask, fsp->share_access)) {
return -1;
}
END_PROFILE(syscall_kernel_flock);
return 0;
}
static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
int fd, int leasetype)
{
int ret;
START_PROFILE(syscall_linux_setlease);
if ( linux_set_lease_sighandler(fd) == -1)
return -1;
ret = set_gpfs_lease(fd,leasetype);
if ( ret < 0 ) {
/* This must have come from GPFS not being available */
/* or some other error, hence call the default */
ret = linux_setlease(fd, leasetype);
}
END_PROFILE(syscall_linux_setlease);
return ret;
}
static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
{
int i;
if (gacl==NULL)
{
DEBUG(0, ("gpfs acl is NULL\n"));
return;
}
DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
for(i=0; i<gacl->acl_nace; i++)
{
struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
i, gace->aceType, gace->aceFlags, gace->aceMask,
gace->aceIFlags, gace->aceWho));
}
}
static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
{
struct gpfs_acl *acl;
size_t len = 200;
int ret;
TALLOC_CTX *mem_ctx = talloc_tos();
acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
if (acl == NULL) {
errno = ENOMEM;
return NULL;
}
acl->acl_len = len;
acl->acl_level = 0;
acl->acl_version = 0;
acl->acl_type = type;
ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
if ((ret != 0) && (errno == ENOSPC)) {
struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
if (new_acl == NULL) {
errno = ENOMEM;
return NULL;
}
new_acl->acl_len = acl->acl_len;
new_acl->acl_level = acl->acl_level;
new_acl->acl_version = acl->acl_version;
new_acl->acl_type = acl->acl_type;
acl = new_acl;
ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
}
if (ret != 0)
{
DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
return NULL;
}
return acl;
}
/* Tries to get nfs4 acls and returns SMB ACL allocated.
* On failure returns 1 if it got non-NFSv4 ACL to prompt
* retry with POSIX ACL checks.
* On failure returns -1 if there is system (GPFS) error, check errno.
* Returns 0 on success
*/
static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
{
int i;
struct gpfs_acl *gacl = NULL;
DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
/* First get the real acl length */
gacl = gpfs_getacl_alloc(fname, GPFS_ACL_TYPE_NFS4);
if (gacl == NULL) {
DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
fname, strerror(errno)));
return -1;
}
if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
DEBUG(10, ("Got non-nfsv4 acl\n"));
/* Retry with POSIX ACLs check */
return 1;
}
*ppacl = smb_create_smb4acl();
DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
gacl->acl_len, gacl->acl_level, gacl->acl_version,
gacl->acl_nace));
for (i=0; i<gacl->acl_nace; i++) {
struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
SMB_ACE4PROP_T smbace;
DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
"who: %d\n", gace->aceType, gace->aceIFlags,
gace->aceFlags, gace->aceMask, gace->aceWho));
memset(&smbace, 0, sizeof(SMB4ACE_T));
if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
smbace.flags |= SMB_ACE4_ID_SPECIAL;
switch (gace->aceWho) {
case ACE4_SPECIAL_OWNER:
smbace.who.special_id = SMB_ACE4_WHO_OWNER;
break;
case ACE4_SPECIAL_GROUP:
smbace.who.special_id = SMB_ACE4_WHO_GROUP;
break;
case ACE4_SPECIAL_EVERYONE:
smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
break;
default:
DEBUG(8, ("invalid special gpfs id %d "
"ignored\n", gace->aceWho));
continue; /* don't add it */
}
} else {
if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
smbace.who.gid = gace->aceWho;
else
smbace.who.uid = gace->aceWho;
}
/* remove redundent deny entries */
if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
prev->aceFlags == gace->aceFlags &&
prev->aceIFlags == gace->aceIFlags &&
(gace->aceMask & prev->aceMask) == 0 &&
gace->aceWho == prev->aceWho) {
/* its redundent - skip it */
continue;
}
}
smbace.aceType = gace->aceType;
smbace.aceFlags = gace->aceFlags;
smbace.aceMask = gace->aceMask;
smb_add_ace4(*ppacl, &smbace);
}
return 0;
}
static size_t gpfsacl_get_nt_acl_common(files_struct *fsp,
uint32 security_info, SEC_DESC **ppdesc)
{
SMB4ACL_T *pacl = NULL;
int result;
*ppdesc = NULL;
result = gpfs_get_nfs4_acl(fsp->fsp_name, &pacl);
if (result == 0)
return smb_get_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
if (result > 0) {
DEBUG(10, ("retrying with posix acl...\n"));
return get_nt_acl(fsp, security_info, ppdesc);
}
/* GPFS ACL was not read, something wrong happened, error code is set in errno */
return 0;
}
size_t gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
files_struct *fsp, int fd, uint32 security_info,
SEC_DESC **ppdesc)
{
return gpfsacl_get_nt_acl_common(fsp, security_info, ppdesc);
}
size_t gpfsacl_get_nt_acl(vfs_handle_struct *handle,
files_struct *fsp, const char *name,
uint32 security_info, SEC_DESC **ppdesc)
{
return gpfsacl_get_nt_acl_common(fsp, security_info, ppdesc);
}
static BOOL gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
{
int ret;
gpfs_aclLen_t gacl_len;
SMB4ACE_T *smbace;
struct gpfs_acl *gacl;
TALLOC_CTX *mem_ctx = talloc_tos();
gacl_len = sizeof(struct gpfs_acl) +
(smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
gacl = TALLOC_SIZE(mem_ctx, gacl_len);
if (gacl == NULL) {
DEBUG(0, ("talloc failed\n"));
errno = ENOMEM;
return False;
}
gacl->acl_len = gacl_len;
gacl->acl_level = 0;
gacl->acl_version = GPFS_ACL_VERSION_NFS4;
gacl->acl_type = GPFS_ACL_TYPE_NFS4;
gacl->acl_nace = 0; /* change later... */
for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
gace->aceType = aceprop->aceType;
gace->aceFlags = aceprop->aceFlags;
gace->aceMask = aceprop->aceMask;
gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
{
switch(aceprop->who.special_id)
{
case SMB_ACE4_WHO_EVERYONE:
gace->aceWho = ACE4_SPECIAL_EVERYONE;
break;
case SMB_ACE4_WHO_OWNER:
gace->aceWho = ACE4_SPECIAL_OWNER;
break;
case SMB_ACE4_WHO_GROUP:
gace->aceWho = ACE4_SPECIAL_GROUP;
break;
default:
DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
continue; /* don't add it !!! */
}
} else {
/* just only for the type safety... */
if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
gace->aceWho = aceprop->who.gid;
else
gace->aceWho = aceprop->who.uid;
}
gacl->acl_nace++;
}
ret = smbd_gpfs_putacl(fsp->fsp_name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
if (ret != 0) {
DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
gpfs_dumpacl(8, gacl);
return False;
}
DEBUG(10, ("gpfs_putacl succeeded\n"));
return True;
}
static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
{
struct gpfs_acl *acl;
NTSTATUS result = NT_STATUS_ACCESS_DENIED;
acl = gpfs_getacl_alloc(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS);
if (acl == NULL)
return result;
if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
{
result = smb_set_nt_acl_nfs4(
fsp, security_info_sent, psd,
gpfsacl_process_smbacl);
} else { /* assume POSIX ACL - by default... */
result = set_nt_acl(fsp, security_info_sent, psd);
}
return result;
}
static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
{
return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
}
static NTSTATUS gpfsacl_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, char *name, uint32 security_info_sent, SEC_DESC *psd)
{
return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
}
static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
{
SMB_ACL_T result;
int i;
result = sys_acl_init(pacl->acl_nace);
if (result == NULL) {
errno = ENOMEM;
return NULL;
}
result->count = pacl->acl_nace;
for (i=0; i<pacl->acl_nace; i++) {
struct smb_acl_entry *ace = &result->acl[i];
const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
DEBUG(10, ("Converting type %d id %lu perm %x\n",
(int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
(int)g_ace->ace_perm));
switch (g_ace->ace_type) {
case GPFS_ACL_USER:
ace->a_type = SMB_ACL_USER;
ace->uid = (uid_t)g_ace->ace_who;
break;
case GPFS_ACL_USER_OBJ:
ace->a_type = SMB_ACL_USER_OBJ;
break;
case GPFS_ACL_GROUP:
ace->a_type = SMB_ACL_GROUP;
ace->gid = (gid_t)g_ace->ace_who;
break;
case GPFS_ACL_GROUP_OBJ:
ace->a_type = SMB_ACL_GROUP_OBJ;
break;
case GPFS_ACL_OTHER:
ace->a_type = SMB_ACL_OTHER;
break;
case GPFS_ACL_MASK:
ace->a_type = SMB_ACL_MASK;
break;
default:
DEBUG(10, ("Got invalid ace_type: %d\n",
g_ace->ace_type));
errno = EINVAL;
SAFE_FREE(result);
return NULL;
}
ace->a_perm = 0;
ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
SMB_ACL_READ : 0;
ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
SMB_ACL_WRITE : 0;
ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
SMB_ACL_EXECUTE : 0;
DEBUGADD(10, ("Converted to %d perm %x\n",
ace->a_type, ace->a_perm));
}
return result;
}
static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
{
struct gpfs_acl *pacl;
SMB_ACL_T result = NULL;
pacl = gpfs_getacl_alloc(path, type);
if (pacl == NULL) {
DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
path, strerror(errno)));
if (errno == 0) {
errno = EINVAL;
}
goto done;
}
if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
DEBUG(10, ("Got acl version %d, expected %d\n",
pacl->acl_version, GPFS_ACL_VERSION_POSIX));
errno = EINVAL;
goto done;
}
DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
pacl->acl_len, pacl->acl_level, pacl->acl_version,
pacl->acl_nace));
result = gpfs2smb_acl(pacl);
if (result == NULL) {
goto done;
}
done:
if (errno != 0) {
SAFE_FREE(result);
}
return result;
}
SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
const char *path_p,
SMB_ACL_TYPE_T type)
{
gpfs_aclType_t gpfs_type;
switch(type) {
case SMB_ACL_TYPE_ACCESS:
gpfs_type = GPFS_ACL_TYPE_ACCESS;
break;
case SMB_ACL_TYPE_DEFAULT:
gpfs_type = GPFS_ACL_TYPE_DEFAULT;
break;
default:
DEBUG(0, ("Got invalid type: %d\n", type));
smb_panic("exiting");
}
return gpfsacl_get_posix_acl(path_p, gpfs_type);
}
SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
files_struct *fsp,
int fd)
{
return gpfsacl_get_posix_acl(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS);
}
static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
SMB_ACL_TYPE_T type)
{
gpfs_aclLen_t len;
struct gpfs_acl *result;
int i;
union gpfs_ace_union
{
gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
};
DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
(pacl->count)*sizeof(gpfs_ace_v1_t);
result = SMB_MALLOC(len);
if (result == NULL) {
errno = ENOMEM;
return result;
}
result->acl_len = len;
result->acl_level = 0;
result->acl_version = GPFS_ACL_VERSION_POSIX;
result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
result->acl_nace = pacl->count;
for (i=0; i<pacl->count; i++) {
const struct smb_acl_entry *ace = &pacl->acl[i];
struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
DEBUG(10, ("Converting type %d perm %x\n",
(int)ace->a_type, (int)ace->a_perm));
g_ace->ace_perm = 0;
switch(ace->a_type) {
case SMB_ACL_USER:
g_ace->ace_type = GPFS_ACL_USER;
g_ace->ace_who = (gpfs_uid_t)ace->uid;
break;
case SMB_ACL_USER_OBJ:
g_ace->ace_type = GPFS_ACL_USER_OBJ;
g_ace->ace_perm |= ACL_PERM_CONTROL;
g_ace->ace_who = 0;
break;
case SMB_ACL_GROUP:
g_ace->ace_type = GPFS_ACL_GROUP;
g_ace->ace_who = (gpfs_uid_t)ace->gid;
break;
case SMB_ACL_GROUP_OBJ:
g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
g_ace->ace_who = 0;
break;
case SMB_ACL_MASK:
g_ace->ace_type = GPFS_ACL_MASK;
g_ace->ace_perm = 0x8f;
g_ace->ace_who = 0;
break;
case SMB_ACL_OTHER:
g_ace->ace_type = GPFS_ACL_OTHER;
g_ace->ace_who = 0;
break;
default:
DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
errno = EINVAL;
SAFE_FREE(result);
return NULL;
}
g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
ACL_PERM_READ : 0;
g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
ACL_PERM_WRITE : 0;
g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
ACL_PERM_EXECUTE : 0;
DEBUGADD(10, ("Converted to %d id %d perm %x\n",
g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
}
return result;
}
int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
const char *name,
SMB_ACL_TYPE_T type,
SMB_ACL_T theacl)
{
struct gpfs_acl *gpfs_acl;
int result;
gpfs_acl = smb2gpfs_acl(theacl, type);
if (gpfs_acl == NULL) {
return -1;
}
result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
SAFE_FREE(gpfs_acl);
return result;
}
int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
files_struct *fsp,
int fd, SMB_ACL_T theacl)
{
return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name, SMB_ACL_TYPE_ACCESS, theacl);
}
int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
const char *path)
{
errno = ENOTSUP;
return -1;
}
static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
{
SMB_STRUCT_STAT st;
if (SMB_VFS_NEXT_STAT(handle, path, &st) != 0) {
return -1;
}
/* avoid chmod() if possible, to preserve acls */
if ((st.st_mode & ~S_IFMT) == mode) {
return 0;
}
return SMB_VFS_NEXT_CHMOD(handle, path, mode);
}
static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
{
SMB_STRUCT_STAT st;
if (SMB_VFS_NEXT_FSTAT(handle, fsp, fd, &st) != 0) {
return -1;
}
/* avoid chmod() if possible, to preserve acls */
if ((st.st_mode & ~S_IFMT) == mode) {
return 0;
}
return SMB_VFS_NEXT_FCHMOD(handle, fsp, fd, mode);
}
/* VFS operations structure */
static vfs_op_tuple gpfs_op_tuples[] = {
{ SMB_VFS_OP(vfs_gpfs_kernel_flock), SMB_VFS_OP_KERNEL_FLOCK,
SMB_VFS_LAYER_OPAQUE },
{ SMB_VFS_OP(vfs_gpfs_setlease), SMB_VFS_OP_LINUX_SETLEASE,
SMB_VFS_LAYER_OPAQUE },
{ SMB_VFS_OP(gpfsacl_fget_nt_acl), SMB_VFS_OP_FGET_NT_ACL,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_get_nt_acl), SMB_VFS_OP_GET_NT_ACL,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_fset_nt_acl), SMB_VFS_OP_FSET_NT_ACL,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_set_nt_acl), SMB_VFS_OP_SET_NT_ACL,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_sys_acl_get_fd), SMB_VFS_OP_SYS_ACL_GET_FD,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_sys_acl_set_fd), SMB_VFS_OP_SYS_ACL_SET_FD,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file),
SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(vfs_gpfs_chmod), SMB_VFS_OP_CHMOD,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(vfs_gpfs_fchmod), SMB_VFS_OP_FCHMOD,
SMB_VFS_LAYER_TRANSPARENT },
{ SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP }
};
NTSTATUS vfs_gpfs_init(void);
NTSTATUS vfs_gpfs_init(void)
{
init_gpfs();
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
gpfs_op_tuples);
}