* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
unsigned long dummy;
};
-static cfs_mem_cache_t *echo_page_kmem;
static cfs_mem_cache_t *echo_lock_kmem;
static cfs_mem_cache_t *echo_object_kmem;
static cfs_mem_cache_t *echo_thread_kmem;
static struct lu_kmem_descr echo_caches[] = {
{
- .ckd_cache = &echo_page_kmem,
- .ckd_name = "echo_page_kmem",
- .ckd_size = sizeof (struct echo_page)
- },
- {
.ckd_cache = &echo_lock_kmem,
.ckd_name = "echo_lock_kmem",
.ckd_size = sizeof (struct echo_lock)
cfs_atomic_dec(&eco->eo_npages);
page_cache_release(vmpage);
- OBD_SLAB_FREE_PTR(ep, echo_page_kmem);
EXIT;
}
*
* @{
*/
-static struct cl_page *echo_page_init(const struct lu_env *env,
- struct cl_object *obj,
- struct cl_page *page, cfs_page_t *vmpage)
+static int echo_page_init(const struct lu_env *env, struct cl_object *obj,
+ struct cl_page *page, cfs_page_t *vmpage)
{
- struct echo_page *ep;
+ struct echo_page *ep = cl_object_page_slice(obj, page);
+ struct echo_object *eco = cl2echo_obj(obj);
ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(ep, echo_page_kmem, CFS_ALLOC_IO);
- if (ep != NULL) {
- struct echo_object *eco = cl2echo_obj(obj);
- ep->ep_vmpage = vmpage;
- page_cache_get(vmpage);
- mutex_init(&ep->ep_lock);
- cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops);
- cfs_atomic_inc(&eco->eo_npages);
- }
- RETURN(ERR_PTR(ep ? 0 : -ENOMEM));
+ ep->ep_vmpage = vmpage;
+ page_cache_get(vmpage);
+ mutex_init(&ep->ep_lock);
+ cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops);
+ cfs_atomic_inc(&eco->eo_npages);
+ RETURN(0);
}
static int echo_io_init(const struct lu_env *env, struct cl_object *obj,
eco->eo_dev = ed;
cfs_atomic_set(&eco->eo_npages, 0);
+ cl_object_page_init(lu2cl(obj), sizeof(struct echo_page));
spin_lock(&ec->ec_lock);
cfs_list_add_tail(&eco->eo_obj_chain, &ec->ec_objects);
#define ECHO_SEQ_WIDTH 0xffffffff
static int echo_fid_init(struct echo_device *ed, char *obd_name,
- struct md_site *ms)
+ struct seq_server_site *ss)
{
char *prefix;
int rc;
snprintf(prefix, MAX_OBD_NAME + 5, "srv-%s", obd_name);
- /* Init client side sequence-manager */
- rc = seq_client_init(ed->ed_cl_seq, NULL,
- LUSTRE_SEQ_METADATA,
- prefix, ms->ms_server_seq);
+ /* Init client side sequence-manager */
+ rc = seq_client_init(ed->ed_cl_seq, NULL,
+ LUSTRE_SEQ_METADATA,
+ prefix, ss->ss_server_seq);
ed->ed_cl_seq->lcs_width = ECHO_SEQ_WIDTH;
OBD_FREE(prefix, MAX_OBD_NAME + 5);
if (rc)
ed->ed_site_myself.cs_lu = *ls;
ed->ed_site = &ed->ed_site_myself;
ed->ed_cl.cd_lu_dev.ld_site = &ed->ed_site_myself.cs_lu;
- rc = echo_fid_init(ed, obd->obd_name, lu_site2md(ls));
- if (rc) {
- CERROR("echo fid init error %d\n", rc);
- GOTO(out, rc);
- }
+ rc = echo_fid_init(ed, obd->obd_name, lu_site2seq(ls));
+ if (rc) {
+ CERROR("echo fid init error %d\n", rc);
+ GOTO(out, rc);
+ }
} else {
/* if echo client is to be stacked upon ost device, the next is
* NULL since ost is not a clio device so far */
ENTRY;
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
if (parent == NULL)
RETURN(-ENXIO);
ENTRY;
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
if (parent == NULL)
RETURN(-ENXIO);
ENTRY;
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
if (parent == NULL)
RETURN(-ENXIO);
int rc = 0;
int i;
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
if (parent == NULL)
return -ENXIO;
RETURN(parent);
}
+static void echo_ucred_init(struct lu_env *env)
+{
+ struct lu_ucred *ucred = lu_ucred(env);
+
+ ucred->uc_valid = UCRED_INVALID;
+
+ ucred->uc_suppgids[0] = -1;
+ ucred->uc_suppgids[1] = -1;
+
+ ucred->uc_uid = ucred->uc_o_uid = cfs_curproc_uid();
+ ucred->uc_gid = ucred->uc_o_gid = cfs_curproc_gid();
+ ucred->uc_fsuid = ucred->uc_o_fsuid = cfs_curproc_fsuid();
+ ucred->uc_fsgid = ucred->uc_o_fsgid = cfs_curproc_fsgid();
+ ucred->uc_cap = cfs_curproc_cap_pack();
+
+ /* remove fs privilege for non-root user. */
+ if (ucred->uc_fsuid)
+ ucred->uc_cap &= ~CFS_CAP_FS_MASK;
+ ucred->uc_valid = UCRED_NEW;
+}
+
+static void echo_ucred_fini(struct lu_env *env)
+{
+ struct lu_ucred *ucred = lu_ucred(env);
+ ucred->uc_valid = UCRED_INIT;
+}
+
#define ECHO_MD_CTX_TAG (LCT_REMEMBER | LCT_MD_THREAD)
#define ECHO_MD_SES_TAG (LCT_REMEMBER | LCT_SESSION)
static int echo_md_handler(struct echo_device *ed, int command,
GOTO(out_name, rc = -EFAULT);
}
+ echo_ucred_init(env);
+
switch (command) {
case ECHO_MD_CREATE:
case ECHO_MD_MKDIR: {
rc = -EINVAL;
break;
}
+ echo_ucred_fini(env);
+
out_name:
if (name != NULL)
OBD_FREE(name, namelen + 1);
if (cfs_copy_to_user(data->ioc_pbuf1, &seq, data->ioc_plen1))
return -EFAULT;
- max_count = LUSTRE_SEQ_MAX_WIDTH;
- if (cfs_copy_to_user(data->ioc_pbuf2, &max_count,
- data->ioc_plen2))
- return -EFAULT;
- GOTO(out, rc);
+ max_count = LUSTRE_METADATA_SEQ_MAX_WIDTH;
+ if (cfs_copy_to_user(data->ioc_pbuf2, &max_count,
+ data->ioc_plen2))
+ return -EFAULT;
+ GOTO(out, rc);
}
case OBD_IOC_DESTROY:
if (!cfs_capable(CFS_CAP_SYS_ADMIN))
git://git.whamcloud.com / fs / lustre-release.git / blobdiff