]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
#
-# LC_CAPA_CRYPTO
-#
-AC_DEFUN([LC_CAPA_CRYPTO], [
-LB_CHECK_CONFIG_IM([CRYPTO], [],
- [AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])])
-LB_CHECK_CONFIG_IM([CRYPTO_HMAC], [],
- [AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])])
-LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
- [AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])])
-]) # LC_CAPA_CRYPTO
-
-#
# LC_CONFIG_RMTCLIENT
#
dnl FIXME
LC_LLITE_LLOOP_MODULE
LC_GLIBC_SUPPORT_FHANDLES
- LC_CAPA_CRYPTO
LC_CONFIG_RMTCLIENT
LC_CONFIG_GSS
#include <libcfs/libcfs.h>
#include <dt_object.h>
#include <obd_support.h>
-#include <lustre_capa.h>
#include <lustre_fid.h>
#include <lustre_fld.h>
#include "fid_internal.h"
lu_object.h \
lu_ref.h \
lustre_acl.h \
- lustre_capa.h \
lustre_cfg.h \
lustre_compat.h \
lustre_debug.h \
#define CAPA_OPC_MDS_DEFAULT ~CAPA_OPC_OSS_ONLY
#define CAPA_OPC_OSS_DEFAULT ~(CAPA_OPC_MDS_ONLY | CAPA_OPC_OSS_ONLY)
-/* MDS capability covers object capability for operations of body r/w
- * (dir readpage/sendpage), index lookup/insert/delete and meta data r/w,
- * while OSS capability only covers object capability for operations of
- * oss data(file content) r/w/truncate.
- */
-static inline int capa_for_mds(struct lustre_capa *c)
-{
- return (c->lc_opc & CAPA_OPC_INDEX_LOOKUP) != 0;
-}
-
-static inline int capa_for_oss(struct lustre_capa *c)
-{
- return (c->lc_opc & CAPA_OPC_INDEX_LOOKUP) == 0;
-}
-
static inline bool lovea_slot_is_dummy(const struct lov_ost_data_v1 *obj)
{
/* zero area does not care about the bytes-order. */
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, 2013, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/include/lustre_capa.h
- *
- * Author: Lai Siyao <lsy@clusterfs.com>
- */
-
-#ifndef __LINUX_CAPA_H_
-#define __LINUX_CAPA_H_
-
-/** \defgroup capa capa
- *
- * @{
- */
-
-/*
- * capability
- */
-#include <linux/crypto.h>
-#include <lustre/lustre_idl.h>
-
-#define CAPA_TIMEOUT 1800 /* sec, == 30 min */
-#define CAPA_KEY_TIMEOUT (24 * 60 * 60) /* sec, == 1 days */
-
-struct capa_hmac_alg {
- const char *ha_name;
- int ha_len;
- int ha_keylen;
-};
-
-#define DEF_CAPA_HMAC_ALG(name, type, len, keylen) \
-[CAPA_HMAC_ALG_ ## type] = { \
- .ha_name = name, \
- .ha_len = len, \
- .ha_keylen = keylen, \
-}
-
-struct client_capa {
- struct inode *inode;
- struct list_head lli_list; /* link to lli_oss_capas */
-};
-
-struct target_capa {
- struct hlist_node c_hash; /* link to capa hash */
-};
-
-struct obd_capa {
- struct list_head c_list; /* link to capa_list */
-
- struct lustre_capa c_capa; /* capa */
- atomic_t c_refc; /* ref count */
- cfs_time_t c_expiry; /* jiffies */
- spinlock_t c_lock; /* protect capa content */
- int c_site;
-
- union {
- struct client_capa cli;
- struct target_capa tgt;
- } u;
-};
-
-enum {
- CAPA_SITE_CLIENT = 0,
- CAPA_SITE_SERVER,
- CAPA_SITE_MAX
-};
-
-static inline struct lu_fid *capa_fid(struct lustre_capa *capa)
-{
- return &capa->lc_fid;
-}
-
-static inline __u64 capa_opc(struct lustre_capa *capa)
-{
- return capa->lc_opc;
-}
-
-static inline __u64 capa_uid(struct lustre_capa *capa)
-{
- return capa->lc_uid;
-}
-
-static inline __u64 capa_gid(struct lustre_capa *capa)
-{
- return capa->lc_gid;
-}
-
-static inline __u32 capa_flags(struct lustre_capa *capa)
-{
- return capa->lc_flags & 0xffffff;
-}
-
-static inline __u32 capa_alg(struct lustre_capa *capa)
-{
- return (capa->lc_flags >> 24);
-}
-
-static inline __u32 capa_keyid(struct lustre_capa *capa)
-{
- return capa->lc_keyid;
-}
-
-static inline __u64 capa_key_seq(struct lustre_capa_key *key)
-{
- return key->lk_seq;
-}
-
-static inline __u32 capa_key_keyid(struct lustre_capa_key *key)
-{
- return key->lk_keyid;
-}
-
-static inline __u32 capa_timeout(struct lustre_capa *capa)
-{
- return capa->lc_timeout;
-}
-
-static inline __u32 capa_expiry(struct lustre_capa *capa)
-{
- return capa->lc_expiry;
-}
-
-void _debug_capa(struct lustre_capa *, struct libcfs_debug_msg_data *,
- const char *fmt, ... );
-#define DEBUG_CAPA(level, capa, fmt, args...) \
-do { \
- if (((level) & D_CANTMASK) != 0 || \
- ((libcfs_debug & (level)) != 0 && \
- (libcfs_subsystem_debug & DEBUG_SUBSYSTEM) != 0)) { \
- LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, NULL); \
- _debug_capa((capa), &msgdata, fmt, ##args); \
- } \
-} while (0)
-
-#define DEBUG_CAPA_KEY(level, k, fmt, args...) \
-do { \
-CDEBUG(level, fmt " capability key@%p seq "LPU64" keyid %u\n", \
- ##args, k, capa_key_seq(k), capa_key_keyid(k)); \
-} while (0)
-
-typedef int (* renew_capa_cb_t)(struct obd_capa *, struct lustre_capa *);
-
-/* obdclass/capa.c */
-extern struct list_head capa_list[];
-extern spinlock_t capa_lock;
-extern int capa_count[];
-extern struct kmem_cache *capa_cachep;
-
-struct hlist_head *init_capa_hash(void);
-void cleanup_capa_hash(struct hlist_head *hash);
-
-struct obd_capa *capa_add(struct hlist_head *hash,
- struct lustre_capa *capa);
-struct obd_capa *capa_lookup(struct hlist_head *hash,
- struct lustre_capa *capa, int alive);
-
-int capa_hmac(__u8 *hmac, struct lustre_capa *capa, __u8 *key);
-int capa_encrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen);
-int capa_decrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen);
-void capa_cpy(void *dst, struct obd_capa *ocapa);
-static inline struct obd_capa *alloc_capa(int site)
-{
- struct obd_capa *ocapa;
-
- if (unlikely(site != CAPA_SITE_CLIENT && site != CAPA_SITE_SERVER))
- return ERR_PTR(-EINVAL);
-
- OBD_SLAB_ALLOC_PTR(ocapa, capa_cachep);
- if (unlikely(!ocapa))
- return ERR_PTR(-ENOMEM);
-
- INIT_LIST_HEAD(&ocapa->c_list);
- atomic_set(&ocapa->c_refc, 1);
- spin_lock_init(&ocapa->c_lock);
- ocapa->c_site = site;
- if (ocapa->c_site == CAPA_SITE_CLIENT)
- INIT_LIST_HEAD(&ocapa->u.cli.lli_list);
- else
- INIT_HLIST_NODE(&ocapa->u.tgt.c_hash);
-
- return ocapa;
-}
-
-static inline struct obd_capa *capa_get(struct obd_capa *ocapa)
-{
- if (!ocapa)
- return NULL;
-
- atomic_inc(&ocapa->c_refc);
- return ocapa;
-}
-
-static inline void capa_put(struct obd_capa *ocapa)
-{
- if (!ocapa)
- return;
-
- if (atomic_read(&ocapa->c_refc) == 0) {
- DEBUG_CAPA(D_ERROR, &ocapa->c_capa, "refc is 0 for");
- LBUG();
- }
-
- if (atomic_dec_and_test(&ocapa->c_refc)) {
- LASSERT(list_empty(&ocapa->c_list));
- if (ocapa->c_site == CAPA_SITE_CLIENT) {
- LASSERT(list_empty(&ocapa->u.cli.lli_list));
- } else {
- struct hlist_node *hnode;
-
- hnode = &ocapa->u.tgt.c_hash;
- LASSERT(!hnode->next && !hnode->pprev);
- }
- OBD_SLAB_FREE(ocapa, capa_cachep, sizeof(*ocapa));
- }
-}
-
-static inline int open_flags_to_accmode(int flags)
-{
- int mode = flags;
-
- if ((mode + 1) & O_ACCMODE)
- mode++;
- if (mode & O_TRUNC)
- mode |= 2;
-
- return mode;
-}
-
-static inline __u64 capa_open_opc(int mode)
-{
- return mode & FMODE_WRITE ? CAPA_OPC_OSS_WRITE : CAPA_OPC_OSS_READ;
-}
-
-static inline void set_capa_expiry(struct obd_capa *ocapa)
-{
- cfs_time_t expiry = cfs_time_sub((cfs_time_t)ocapa->c_capa.lc_expiry,
- cfs_time_current_sec());
- ocapa->c_expiry = cfs_time_add(cfs_time_current(),
- cfs_time_seconds(expiry));
-}
-
-static inline int capa_is_expired_sec(struct lustre_capa *capa)
-{
- return (capa->lc_expiry - cfs_time_current_sec() <= 0);
-}
-
-static inline int capa_is_expired(struct obd_capa *ocapa)
-{
- return cfs_time_beforeq(ocapa->c_expiry, cfs_time_current());
-}
-
-static inline int capa_opc_supported(struct lustre_capa *capa, __u64 opc)
-{
- return (capa_opc(capa) & opc) == opc;
-}
-
-struct filter_capa_key {
- struct list_head k_list;
- struct lustre_capa_key k_key;
-};
-
-enum lc_auth_id {
- LC_ID_NONE = 0,
- LC_ID_PLAIN = 1,
- LC_ID_CONVERT = 2
-};
-
-enum {
- LU_CAPAINFO_MAX = 5
-};
-
-/** there are at most 5 FIDs in one operation, see rename,
- * NOTE the last one is a temporary one used for is_subdir() */
-struct lu_capainfo {
- enum lc_auth_id lci_auth;
- __u32 lci_padding;
- struct lu_fid lci_fid[LU_CAPAINFO_MAX];
- struct lustre_capa *lci_capa[LU_CAPAINFO_MAX];
-};
-
-int lu_capainfo_init(void);
-void lu_capainfo_fini(void);
-struct lu_capainfo *lu_capainfo_get(const struct lu_env *env);
-
-/** @} capa */
-
-#endif /* __LINUX_CAPA_H_ */
#include <lustre_fld.h>
#include <lustre_handles.h>
#include <lustre_intent.h>
-#include <lustre_capa.h>
#include <lvfs.h>
#define MAX_OBD_DEVICES 8192
/* get/set_info keys */
#define KEY_ASYNC "async"
-#define KEY_CAPA_KEY "capa_key"
#define KEY_CHANGELOG_CLEAR "changelog_clear"
#define KEY_FID2PATH "fid2path"
#define KEY_CHECKSUM "checksum"
enum md_op_flags op_flags;
- /* Capa fields */
- struct obd_capa *op_capa1;
- struct obd_capa *op_capa2;
-
/* Various operation flags. */
enum mds_op_bias op_bias;
struct posix_acl *posix_acl;
#endif
struct mdt_remote_perm *remote_perm;
- struct obd_capa *mds_capa;
- struct obd_capa *oss_capa;
};
struct md_open_data {
size_t , struct ptlrpc_request **);
int (*m_fsync)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, struct ptlrpc_request **);
+ struct ptlrpc_request **);
int (*m_read_page)(struct obd_export *, struct md_op_data *,
struct md_callback *cb_op, __u64 hash_offset,
struct ptlrpc_request **);
int (*m_setxattr)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, u64, const char *,
- const char *, int, int, int, __u32,
+ u64, const char *, const char *, int, int, int, u32,
struct ptlrpc_request **);
int (*m_getxattr)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, u64, const char *,
- const char *, int, int, int,
+ u64, const char *, const char *, int, int, int,
struct ptlrpc_request **);
int (*m_intent_getattr_async)(struct obd_export *,
#define MD_STATS_LAST_OP m_revalidate_lock
- int (*m_getstatus)(struct obd_export *, struct lu_fid *,
- struct obd_capa **);
-
+ int (*m_getstatus)(struct obd_export *, struct lu_fid *);
int (*m_null_inode)(struct obd_export *, const struct lu_fid *);
int (*m_find_cbdata)(struct obd_export *, const struct lu_fid *,
ldlm_policy_data_t *, ldlm_mode_t,
ldlm_cancel_flags_t flags, void *opaque);
- int (*m_renew_capa)(struct obd_export *, struct obd_capa *oc,
- renew_capa_cb_t cb);
-
- int (*m_unpack_capa)(struct obd_export *, struct ptlrpc_request *,
- const struct req_msg_field *, struct obd_capa **);
-
int (*m_get_remote_perm)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, __u32,
- struct ptlrpc_request **);
+ u32, struct ptlrpc_request **);
int (*m_get_fid_from_lsm)(struct obd_export *,
const struct lmv_stripe_md *,
}
/* metadata helpers */
-static inline int md_getstatus(struct obd_export *exp,
- struct lu_fid *fid, struct obd_capa **pc)
+static inline int md_getstatus(struct obd_export *exp, struct lu_fid *fid)
{
- int rc;
- ENTRY;
+ int rc;
- EXP_CHECK_MD_OP(exp, getstatus);
- EXP_MD_COUNTER_INCREMENT(exp, getstatus);
- rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
- RETURN(rc);
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, getstatus);
+ EXP_MD_COUNTER_INCREMENT(exp, getstatus);
+ rc = MDP(exp->exp_obd, getstatus)(exp, fid);
+
+ RETURN(rc);
}
static inline int md_getattr(struct obd_export *exp, struct md_op_data *op_data,
}
static inline int md_fsync(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, struct ptlrpc_request **request)
+ struct ptlrpc_request **request)
{
int rc;
+
ENTRY;
EXP_CHECK_MD_OP(exp, fsync);
EXP_MD_COUNTER_INCREMENT(exp, fsync);
- rc = MDP(exp->exp_obd, fsync)(exp, fid, oc, request);
+ rc = MDP(exp->exp_obd, fsync)(exp, fid, request);
+
RETURN(rc);
}
RETURN(MDP(exp->exp_obd, merge_attr)(exp, lsm, attr, cb));
}
-static inline int md_setxattr(struct obd_export *exp,
- const struct lu_fid *fid, struct obd_capa *oc,
+static inline int md_setxattr(struct obd_export *exp, const struct lu_fid *fid,
u64 valid, const char *name,
const char *input, int input_size,
int output_size, int flags, __u32 suppgid,
struct ptlrpc_request **request)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, setxattr);
- EXP_MD_COUNTER_INCREMENT(exp, setxattr);
- RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
- input_size, output_size, flags,
- suppgid, request));
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, setxattr);
+ EXP_MD_COUNTER_INCREMENT(exp, setxattr);
+ RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, valid, name, input,
+ input_size, output_size, flags,
+ suppgid, request));
}
-static inline int md_getxattr(struct obd_export *exp,
- const struct lu_fid *fid, struct obd_capa *oc,
+static inline int md_getxattr(struct obd_export *exp, const struct lu_fid *fid,
u64 valid, const char *name,
const char *input, int input_size,
int output_size, int flags,
struct ptlrpc_request **request)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, getxattr);
- EXP_MD_COUNTER_INCREMENT(exp, getxattr);
- RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
- input_size, output_size, flags,
- request));
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, getxattr);
+ EXP_MD_COUNTER_INCREMENT(exp, getxattr);
+ RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, valid, name, input,
+ input_size, output_size, flags,
+ request));
}
static inline int md_set_open_replay_data(struct obd_export *exp,
}
static inline int md_get_remote_perm(struct obd_export *exp,
- const struct lu_fid *fid,
- struct obd_capa *oc, __u32 suppgid,
- struct ptlrpc_request **request)
+ const struct lu_fid *fid, u32 suppgid,
+ struct ptlrpc_request **request)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, get_remote_perm);
- EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
- RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
- request));
-}
-
-static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
- renew_capa_cb_t cb)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, renew_capa);
- EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
- rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
- RETURN(rc);
-}
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, get_remote_perm);
+ EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
-static inline int md_unpack_capa(struct obd_export *exp,
- struct ptlrpc_request *req,
- const struct req_msg_field *field,
- struct obd_capa **oc)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, unpack_capa);
- EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
- rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
- RETURN(rc);
+ RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, suppgid, request));
}
static inline int md_intent_getattr_async(struct obd_export *exp,
@LLITE_LLOOP_TRUE@MODULES += llite_lloop
lustre-objs := dcache.o dir.o file.o llite_lib.o llite_nfs.o
lustre-objs += rw.o lproc_llite.o namei.o symlink.o llite_mmap.o
-lustre-objs += xattr.o xattr_cache.o remote_perm.o llite_rmtacl.o llite_capa.o
+lustre-objs += xattr.o xattr_cache.o remote_perm.o llite_rmtacl.o
lustre-objs += rw26.o super25.o statahead.o
lustre-objs += glimpse.o
lustre-objs += lcommon_cl.o
op_data->op_attr_flags = ll_inode_to_ext_flags(inode->i_flags);
if (fh)
op_data->op_handle = *fh;
- op_data->op_capa1 = ll_mdscapa_get(inode);
if (LLIF_DATA_MODIFIED & ll_i2info(inode)->lli_flags)
op_data->op_bias |= MDS_DATA_MODIFIED;
out:
LUSTRE_FPRIVATE(file) = NULL;
ll_file_data_put(fd);
- ll_capa_close(inode);
RETURN(rc);
}
if (!S_ISREG(inode->i_mode))
GOTO(out_och_free, rc);
- ll_capa_open(inode);
-
cl_lov_delay_create_clear(&file->f_flags);
GOTO(out_och_free, rc);
struct inode *inode = dentry->d_inode;
struct ll_inode_info *lli = ll_i2info(inode);
struct ptlrpc_request *req;
- struct obd_capa *oc;
int rc, err;
ENTRY;
rc = err;
}
- oc = ll_mdscapa_get(inode);
- err = md_fsync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), oc,
- &req);
- capa_put(oc);
+ err = md_fsync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), &req);
if (!rc)
rc = err;
if (!err)
RETURN(PTR_ERR(op_data));
op_data->op_valid = valid;
- /* Once OBD_CONNECT_ATTRFID is not supported, we can't find one
- * capa for this inode. Because we only keep capas of dirs
- * fresh. */
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
ll_finish_md_op_data(op_data);
if (rc) {
{
struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct obd_capa *oc;
struct ptlrpc_request *req;
struct mdt_body *body;
void *lvbdata;
* blocked and then granted via completion ast, we have to fetch
* layout here. Please note that we can't use the LVB buffer in
* completion AST because it doesn't have a large enough buffer */
- oc = ll_mdscapa_get(inode);
rc = ll_get_default_mdsize(sbi, &lmmsize);
if (rc == 0)
- rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode), oc,
+ rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode),
OBD_MD_FLXATTR, XATTR_NAME_LOV, NULL, 0,
lmmsize, 0, &req);
- capa_put(oc);
if (rc < 0)
RETURN(rc);
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, 2014, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/llite/llite_capa.c
- *
- * Author: Lai Siyao <lsy@clusterfs.com>
- */
-
-#define DEBUG_SUBSYSTEM S_LLITE
-
-#include <linux/fs.h>
-#include <linux/version.h>
-#include <linux/kthread.h>
-#include <asm/uaccess.h>
-#include <linux/file.h>
-#include <linux/kmod.h>
-
-#include "llite_internal.h"
-
-/* for obd_capa.c_list, client capa might stay in three places:
- * 1. ll_capa_list.
- * 2. ll_idle_capas.
- * 3. stand alone: just allocated.
- */
-
-/* capas for oss writeback and those failed to renew */
-static struct list_head ll_idle_capas = LIST_HEAD_INIT(ll_idle_capas);
-static struct ptlrpc_thread ll_capa_thread;
-static struct list_head *ll_capa_list = &capa_list[CAPA_SITE_CLIENT];
-
-/* llite capa renewal timer */
-struct timer_list ll_capa_timer;
-/* for debug: indicate whether capa on llite is enabled or not */
-static atomic_t ll_capa_debug = ATOMIC_INIT(0);
-static unsigned long long ll_capa_renewed = 0;
-static unsigned long long ll_capa_renewal_noent = 0;
-static unsigned long long ll_capa_renewal_failed = 0;
-static unsigned long long ll_capa_renewal_retries = 0;
-
-static int ll_update_capa(struct obd_capa *ocapa, struct lustre_capa *capa);
-
-static inline void update_capa_timer(struct obd_capa *ocapa, cfs_time_t expiry)
-{
- if (cfs_time_before(expiry, ll_capa_timer.expires) ||
- !timer_pending(&ll_capa_timer)) {
- mod_timer(&ll_capa_timer, expiry);
- DEBUG_CAPA(D_SEC, &ocapa->c_capa,
- "ll_capa_timer update: %lu/%lu by", expiry, jiffies);
- }
-}
-
-static inline cfs_time_t capa_renewal_time(struct obd_capa *ocapa)
-{
- return cfs_time_sub(ocapa->c_expiry,
- cfs_time_seconds(ocapa->c_capa.lc_timeout) / 2);
-}
-
-static inline int capa_is_to_expire(struct obd_capa *ocapa)
-{
- return cfs_time_beforeq(capa_renewal_time(ocapa), cfs_time_current());
-}
-
-static inline int have_expired_capa(void)
-{
- struct obd_capa *ocapa = NULL;
- int expired = 0;
-
- /* if ll_capa_list has client capa to expire or ll_idle_capas has
- * expired capa, return 1.
- */
- spin_lock(&capa_lock);
- if (!list_empty(ll_capa_list)) {
- ocapa = list_entry(ll_capa_list->next, struct obd_capa,
- c_list);
- expired = capa_is_to_expire(ocapa);
- if (!expired)
- update_capa_timer(ocapa, capa_renewal_time(ocapa));
- } else if (!list_empty(&ll_idle_capas)) {
- ocapa = list_entry(ll_idle_capas.next, struct obd_capa,
- c_list);
- expired = capa_is_expired(ocapa);
- if (!expired)
- update_capa_timer(ocapa, ocapa->c_expiry);
- }
- spin_unlock(&capa_lock);
-
- if (expired)
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "expired");
- return expired;
-}
-
-static void sort_add_capa(struct obd_capa *ocapa, struct list_head *head)
-{
- struct obd_capa *tmp;
- struct list_head *before = NULL;
-
- /* TODO: client capa is sorted by expiry, this could be optimized */
- list_for_each_entry_reverse(tmp, head, c_list) {
- if (cfs_time_aftereq(ocapa->c_expiry, tmp->c_expiry)) {
- before = &tmp->c_list;
- break;
- }
- }
-
- LASSERT(&ocapa->c_list != before);
- list_add(&ocapa->c_list, before ?: head);
-}
-
-static inline int obd_capa_open_count(struct obd_capa *oc)
-{
- struct ll_inode_info *lli = ll_i2info(oc->u.cli.inode);
- return atomic_read(&lli->lli_open_count);
-}
-
-static void ll_delete_capa(struct obd_capa *ocapa)
-{
- struct ll_inode_info *lli = ll_i2info(ocapa->u.cli.inode);
-
- if (capa_for_mds(&ocapa->c_capa)) {
- LASSERT(lli->lli_mds_capa == ocapa);
- lli->lli_mds_capa = NULL;
- } else if (capa_for_oss(&ocapa->c_capa)) {
- list_del_init(&ocapa->u.cli.lli_list);
- }
-
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "free client");
- list_del_init(&ocapa->c_list);
- capa_count[CAPA_SITE_CLIENT]--;
- /* release the ref when alloc */
- capa_put(ocapa);
-}
-
-/* three places where client capa is deleted:
- * 1. capa_thread_main(), main place to delete expired capa.
- * 2. ll_clear_inode_capas() in ll_clear_inode().
- * 3. ll_truncate_free_capa() delete truncate capa explicitly in ll_setattr_ost().
- */
-static int capa_thread_main(void *unused)
-{
- struct obd_capa *ocapa, *tmp, *next;
- struct inode *inode = NULL;
- struct l_wait_info lwi = { 0 };
- int rc;
- ENTRY;
-
- thread_set_flags(&ll_capa_thread, SVC_RUNNING);
- wake_up(&ll_capa_thread.t_ctl_waitq);
-
- while (1) {
- l_wait_event(ll_capa_thread.t_ctl_waitq,
- !thread_is_running(&ll_capa_thread) ||
- have_expired_capa(),
- &lwi);
-
- if (!thread_is_running(&ll_capa_thread))
- break;
-
- next = NULL;
-
- spin_lock(&capa_lock);
- list_for_each_entry_safe(ocapa, tmp, ll_capa_list, c_list) {
- __u64 ibits;
-
- LASSERT(ocapa->c_capa.lc_opc != CAPA_OPC_OSS_TRUNC);
-
- if (!capa_is_to_expire(ocapa)) {
- next = ocapa;
- break;
- }
-
- list_del_init(&ocapa->c_list);
-
- /* for MDS capability, only renew those which belong to
- * dir, or its inode is opened, or client holds LOOKUP
- * lock.
- */
- /* ibits may be changed by ll_have_md_lock() so we have
- * to set it each time */
- ibits = MDS_INODELOCK_LOOKUP;
- if (capa_for_mds(&ocapa->c_capa) &&
- !S_ISDIR(ocapa->u.cli.inode->i_mode) &&
- obd_capa_open_count(ocapa) == 0 &&
- !ll_have_md_lock(ocapa->u.cli.inode,
- &ibits, LCK_MINMODE)) {
- DEBUG_CAPA(D_SEC, &ocapa->c_capa,
- "skip renewal for");
- sort_add_capa(ocapa, &ll_idle_capas);
- continue;
- }
-
- /* for OSS capability, only renew those whose inode is
- * opened.
- */
- if (capa_for_oss(&ocapa->c_capa) &&
- obd_capa_open_count(ocapa) == 0) {
- /* oss capa with open count == 0 won't renew,
- * move to idle list */
- sort_add_capa(ocapa, &ll_idle_capas);
- continue;
- }
-
- /* NB iput() is in ll_update_capa() */
- inode = igrab(ocapa->u.cli.inode);
- if (inode == NULL) {
- DEBUG_CAPA(D_ERROR, &ocapa->c_capa,
- "igrab failed for");
- continue;
- }
-
- capa_get(ocapa);
- ll_capa_renewed++;
- spin_unlock(&capa_lock);
- rc = md_renew_capa(ll_i2mdexp(inode), ocapa,
- ll_update_capa);
- spin_lock(&capa_lock);
- if (rc) {
- DEBUG_CAPA(D_ERROR, &ocapa->c_capa,
- "renew failed: %d", rc);
- ll_capa_renewal_failed++;
- }
- }
-
- if (next)
- update_capa_timer(next, capa_renewal_time(next));
-
- list_for_each_entry_safe(ocapa, tmp, &ll_idle_capas,
- c_list) {
- if (!capa_is_expired(ocapa)) {
- if (!next)
- update_capa_timer(ocapa,
- ocapa->c_expiry);
- break;
- }
-
- if (atomic_read(&ocapa->c_refc) > 1) {
- DEBUG_CAPA(D_SEC, &ocapa->c_capa,
- "expired(c_refc %d), don't release",
- atomic_read(&ocapa->c_refc));
- /* don't try to renew any more */
- list_del_init(&ocapa->c_list);
- continue;
- }
-
- /* expired capa is released. */
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "release expired");
- ll_delete_capa(ocapa);
- }
-
- spin_unlock(&capa_lock);
- }
-
- thread_set_flags(&ll_capa_thread, SVC_STOPPED);
- wake_up(&ll_capa_thread.t_ctl_waitq);
- RETURN(0);
-}
-
-void ll_capa_timer_callback(unsigned long unused)
-{
- wake_up(&ll_capa_thread.t_ctl_waitq);
-}
-
-int ll_capa_thread_start(void)
-{
- struct task_struct *task;
- ENTRY;
-
- init_waitqueue_head(&ll_capa_thread.t_ctl_waitq);
-
- task = kthread_run(capa_thread_main, NULL, "ll_capa");
- if (IS_ERR(task)) {
- CERROR("cannot start expired capa thread: rc %ld\n",
- PTR_ERR(task));
- RETURN(PTR_ERR(task));
- }
- wait_event(ll_capa_thread.t_ctl_waitq,
- thread_is_running(&ll_capa_thread));
-
- RETURN(0);
-}
-
-void ll_capa_thread_stop(void)
-{
- thread_set_flags(&ll_capa_thread, SVC_STOPPING);
- wake_up(&ll_capa_thread.t_ctl_waitq);
- wait_event(ll_capa_thread.t_ctl_waitq,
- thread_is_stopped(&ll_capa_thread));
-}
-
-struct obd_capa *ll_mdscapa_get(struct inode *inode)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
- struct obd_capa *ocapa;
- ENTRY;
-
- LASSERT(inode != NULL);
-
- if ((ll_i2sbi(inode)->ll_flags & LL_SBI_MDS_CAPA) == 0)
- RETURN(NULL);
-
- spin_lock(&capa_lock);
- ocapa = capa_get(lli->lli_mds_capa);
- spin_unlock(&capa_lock);
- if (!ocapa && atomic_read(&ll_capa_debug)) {
- CERROR("no mds capability for "DFID"\n", PFID(&lli->lli_fid));
- atomic_set(&ll_capa_debug, 0);
- }
-
- RETURN(ocapa);
-}
-
-static struct obd_capa *do_add_mds_capa(struct inode *inode,
- struct obd_capa *ocapa)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
- struct obd_capa *old = lli->lli_mds_capa;
- struct lustre_capa *capa = &ocapa->c_capa;
-
- if (!old) {
- ocapa->u.cli.inode = inode;
- lli->lli_mds_capa = ocapa;
- capa_count[CAPA_SITE_CLIENT]++;
-
- DEBUG_CAPA(D_SEC, capa, "add MDS");
- } else {
- spin_lock(&old->c_lock);
- old->c_capa = *capa;
- spin_unlock(&old->c_lock);
-
- DEBUG_CAPA(D_SEC, capa, "update MDS");
-
- capa_put(ocapa);
- ocapa = old;
- }
- return ocapa;
-}
-
-static struct obd_capa *do_lookup_oss_capa(struct inode *inode, int opc)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
- struct obd_capa *ocapa;
-
- /* inside capa_lock */
- list_for_each_entry(ocapa, &lli->lli_oss_capas, u.cli.lli_list) {
- if ((capa_opc(&ocapa->c_capa) & opc) != opc)
- continue;
-
- LASSERT(lu_fid_eq(capa_fid(&ocapa->c_capa),
- ll_inode2fid(inode)));
- LASSERT(ocapa->c_site == CAPA_SITE_CLIENT);
-
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "found client");
- return ocapa;
- }
-
- return NULL;
-}
-
-static inline void inode_add_oss_capa(struct inode *inode,
- struct obd_capa *ocapa)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
- struct obd_capa *tmp;
- struct list_head *next = NULL;
-
- /* capa is sorted in lli_oss_capas so lookup can always find the
- * latest one */
- list_for_each_entry(tmp, &lli->lli_oss_capas, u.cli.lli_list) {
- if (cfs_time_after(ocapa->c_expiry, tmp->c_expiry)) {
- next = &tmp->u.cli.lli_list;
- break;
- }
- }
- LASSERT(&ocapa->u.cli.lli_list != next);
- list_move_tail(&ocapa->u.cli.lli_list, next ?: &lli->lli_oss_capas);
-}
-
-static struct obd_capa *do_add_oss_capa(struct inode *inode,
- struct obd_capa *ocapa)
-{
- struct obd_capa *old;
- struct lustre_capa *capa = &ocapa->c_capa;
-
- LASSERTF(S_ISREG(inode->i_mode),
- "inode has oss capa, but not regular file, mode: %d\n",
- inode->i_mode);
-
- /* FIXME: can't replace it so easily with fine-grained opc */
- old = do_lookup_oss_capa(inode, capa_opc(capa) & CAPA_OPC_OSS_ONLY);
- if (!old) {
- ocapa->u.cli.inode = inode;
- INIT_LIST_HEAD(&ocapa->u.cli.lli_list);
- capa_count[CAPA_SITE_CLIENT]++;
-
- DEBUG_CAPA(D_SEC, capa, "add OSS");
- } else {
- spin_lock(&old->c_lock);
- old->c_capa = *capa;
- spin_unlock(&old->c_lock);
-
- DEBUG_CAPA(D_SEC, capa, "update OSS");
-
- capa_put(ocapa);
- ocapa = old;
- }
-
- inode_add_oss_capa(inode, ocapa);
- return ocapa;
-}
-
-struct obd_capa *ll_add_capa(struct inode *inode, struct obd_capa *ocapa)
-{
- spin_lock(&capa_lock);
- ocapa = capa_for_mds(&ocapa->c_capa) ? do_add_mds_capa(inode, ocapa) :
- do_add_oss_capa(inode, ocapa);
-
- /* truncate capa won't renew */
- if (ocapa->c_capa.lc_opc != CAPA_OPC_OSS_TRUNC) {
- set_capa_expiry(ocapa);
- list_del_init(&ocapa->c_list);
- sort_add_capa(ocapa, ll_capa_list);
-
- update_capa_timer(ocapa, capa_renewal_time(ocapa));
- }
-
- spin_unlock(&capa_lock);
-
- atomic_set(&ll_capa_debug, 1);
- return ocapa;
-}
-
-static inline void delay_capa_renew(struct obd_capa *oc, cfs_time_t delay)
-{
- /* NB: set a fake expiry for this capa to prevent it renew too soon */
- oc->c_expiry = cfs_time_add(oc->c_expiry, cfs_time_seconds(delay));
-}
-
-static int ll_update_capa(struct obd_capa *ocapa, struct lustre_capa *capa)
-{
- struct inode *inode = ocapa->u.cli.inode;
- int rc = 0;
- ENTRY;
-
- LASSERT(ocapa);
-
- if (IS_ERR(capa)) {
- /* set error code */
- rc = PTR_ERR(capa);
- spin_lock(&capa_lock);
- if (rc == -ENOENT) {
- DEBUG_CAPA(D_SEC, &ocapa->c_capa,
- "renewal canceled because object removed");
- ll_capa_renewal_noent++;
- } else {
- ll_capa_renewal_failed++;
-
- /* failed capa won't be renewed any longer, but if -EIO,
- * client might be doing recovery, retry in 2 min. */
- if (rc == -EIO && !capa_is_expired(ocapa)) {
- delay_capa_renew(ocapa, 120);
- DEBUG_CAPA(D_ERROR, &ocapa->c_capa,
- "renewal failed: -EIO, "
- "retry in 2 mins");
- ll_capa_renewal_retries++;
- GOTO(retry, rc);
- } else {
- DEBUG_CAPA(D_ERROR, &ocapa->c_capa,
- "renewal failed(rc: %d) for", rc);
- }
- }
-
- list_del_init(&ocapa->c_list);
- sort_add_capa(ocapa, &ll_idle_capas);
- spin_unlock(&capa_lock);
-
- capa_put(ocapa);
- iput(inode);
- RETURN(rc);
- }
-
- spin_lock(&ocapa->c_lock);
- LASSERT(!memcmp(&ocapa->c_capa, capa,
- offsetof(struct lustre_capa, lc_opc)));
- ocapa->c_capa = *capa;
- set_capa_expiry(ocapa);
- spin_unlock(&ocapa->c_lock);
-
- spin_lock(&capa_lock);
- if (capa_for_oss(capa))
- inode_add_oss_capa(inode, ocapa);
- DEBUG_CAPA(D_SEC, capa, "renew");
- EXIT;
-retry:
- list_del_init(&ocapa->c_list);
- sort_add_capa(ocapa, ll_capa_list);
- update_capa_timer(ocapa, capa_renewal_time(ocapa));
- spin_unlock(&capa_lock);
-
- capa_put(ocapa);
- iput(inode);
- return rc;
-}
-
-void ll_capa_open(struct inode *inode)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
-
- if ((ll_i2sbi(inode)->ll_flags & (LL_SBI_MDS_CAPA | LL_SBI_OSS_CAPA))
- == 0)
- return;
-
- if (!S_ISREG(inode->i_mode))
- return;
-
- atomic_inc(&lli->lli_open_count);
-}
-
-void ll_capa_close(struct inode *inode)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
-
- if ((ll_i2sbi(inode)->ll_flags & (LL_SBI_MDS_CAPA | LL_SBI_OSS_CAPA))
- == 0)
- return;
-
- if (!S_ISREG(inode->i_mode))
- return;
-
- atomic_dec(&lli->lli_open_count);
-}
-
-/* delete CAPA_OPC_OSS_TRUNC only */
-void ll_truncate_free_capa(struct obd_capa *ocapa)
-{
- if (!ocapa)
- return;
-
- LASSERT(ocapa->c_capa.lc_opc & CAPA_OPC_OSS_TRUNC);
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "free truncate");
-
- /* release ref when find */
- capa_put(ocapa);
- if (likely(ocapa->c_capa.lc_opc == CAPA_OPC_OSS_TRUNC)) {
- spin_lock(&capa_lock);
- ll_delete_capa(ocapa);
- spin_unlock(&capa_lock);
- }
-}
-
-void ll_clear_inode_capas(struct inode *inode)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
- struct obd_capa *ocapa, *tmp;
-
- spin_lock(&capa_lock);
- ocapa = lli->lli_mds_capa;
- if (ocapa)
- ll_delete_capa(ocapa);
-
- list_for_each_entry_safe(ocapa, tmp, &lli->lli_oss_capas,
- u.cli.lli_list)
- ll_delete_capa(ocapa);
- spin_unlock(&capa_lock);
-}
-
-void ll_print_capa_stat(struct ll_sb_info *sbi)
-{
- if (sbi->ll_flags & (LL_SBI_MDS_CAPA | LL_SBI_OSS_CAPA))
- LCONSOLE_INFO("Fid capabilities renewed: %llu\n"
- "Fid capabilities renewal ENOENT: %llu\n"
- "Fid capabilities failed to renew: %llu\n"
- "Fid capabilities renewal retries: %llu\n",
- ll_capa_renewed, ll_capa_renewal_noent,
- ll_capa_renewal_failed, ll_capa_renewal_retries);
-}
/* master inode fid for stripe directory */
struct lu_fid lli_pfid;
- struct list_head lli_oss_capas;
/* open count currently used by capability only, indicate whether
* capability needs renewal */
atomic_t lli_open_count;
- struct obd_capa *lli_mds_capa;
cfs_time_t lli_rmtperm_time;
/* We need all three because every inode may be opened in different
#define LL_SBI_USER_XATTR 0x08 /* support user xattr */
#define LL_SBI_ACL 0x10 /* support ACL */
#define LL_SBI_RMT_CLIENT 0x40 /* remote client */
-#define LL_SBI_MDS_CAPA 0x80 /* support mds capa */
-#define LL_SBI_OSS_CAPA 0x100 /* support oss capa */
+#define LL_SBI_MDS_CAPA 0x80 /* support mds capa, obsolete */
+#define LL_SBI_OSS_CAPA 0x100 /* support oss capa, obsolete */
#define LL_SBI_LOCALFLOCK 0x200 /* Local flocks support by kernel */
#define LL_SBI_LRU_RESIZE 0x400 /* lru resize support */
#define LL_SBI_LAZYSTATFS 0x800 /* lazystatfs mount option */
int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm);
int lustre_check_remote_perm(struct inode *inode, int mask);
-/* llite/llite_capa.c */
-extern struct timer_list ll_capa_timer;
-
-int ll_capa_thread_start(void);
-void ll_capa_thread_stop(void);
-void ll_capa_timer_callback(unsigned long unused);
-
-struct obd_capa *ll_add_capa(struct inode *inode, struct obd_capa *ocapa);
-
-void ll_capa_open(struct inode *inode);
-void ll_capa_close(struct inode *inode);
-
-struct obd_capa *ll_mdscapa_get(struct inode *inode);
-
-void ll_truncate_free_capa(struct obd_capa *ocapa);
-void ll_clear_inode_capas(struct inode *inode);
-void ll_print_capa_stat(struct ll_sb_info *sbi);
-
/**
* Common IO arguments for various VFS I/O interfaces.
*/
struct inode *root = NULL;
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct obd_device *obd;
- struct obd_capa *oc = NULL;
struct obd_statfs *osfs = NULL;
struct ptlrpc_request *request = NULL;
struct obd_connect_data *data = NULL;
}
}
- if (data->ocd_connect_flags & OBD_CONNECT_MDS_CAPA) {
- LCONSOLE_INFO("client enabled MDS capability!\n");
- sbi->ll_flags |= LL_SBI_MDS_CAPA;
- }
-
- if (data->ocd_connect_flags & OBD_CONNECT_OSS_CAPA) {
- LCONSOLE_INFO("client enabled OSS capability!\n");
- sbi->ll_flags |= LL_SBI_OSS_CAPA;
- }
-
if (data->ocd_connect_flags & OBD_CONNECT_64BITHASH)
sbi->ll_flags |= LL_SBI_64BIT_HASH;
mutex_unlock(&sbi->ll_lco.lco_lock);
fid_zero(&sbi->ll_root_fid);
- err = md_getstatus(sbi->ll_md_exp, &sbi->ll_root_fid, &oc);
+ err = md_getstatus(sbi->ll_md_exp, &sbi->ll_root_fid);
if (err) {
CERROR("cannot mds_connect: rc = %d\n", err);
GOTO(out_lock_cn_cb, err);
/* make root inode
* XXX: move this to after cbd setup? */
- valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMDSCAPA |
- OBD_MD_FLMODEASIZE;
+ valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMODEASIZE;
if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
valid |= OBD_MD_FLRMTPERM;
else if (sbi->ll_flags & LL_SBI_ACL)
op_data->op_fid1 = sbi->ll_root_fid;
op_data->op_mode = 0;
- op_data->op_capa1 = oc;
op_data->op_valid = valid;
err = md_getattr(sbi->ll_md_exp, op_data, &request);
- if (oc)
- capa_put(oc);
+
OBD_FREE_PTR(op_data);
if (err) {
CERROR("%s: md_getattr failed for root: rc = %d\n",
mutex_init(&lli->lli_rmtperm_mutex);
/* Do not set lli_fid, it has been initialized already. */
fid_zero(&lli->lli_pfid);
- INIT_LIST_HEAD(&lli->lli_oss_capas);
atomic_set(&lli->lli_open_count, 0);
- lli->lli_mds_capa = NULL;
lli->lli_rmtperm_time = 0;
lli->lli_mds_read_och = NULL;
lli->lli_mds_write_och = NULL;
CDEBUG(D_VFSTRACE, "VFS Op: sb %p - %s\n", sb, profilenm);
- ll_print_capa_stat(sbi);
-
cfg.cfg_instance = sb;
lustre_end_log(sb, profilenm, &cfg);
#endif
lli->lli_inode_magic = LLI_INODE_DEAD;
- ll_clear_inode_capas(inode);
if (S_ISDIR(inode->i_mode))
ll_dir_clear_lsm_md(inode);
else if (S_ISREG(inode->i_mode) && !is_bad_inode(inode))
inode->i_blocks = body->mbo_blocks;
}
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- LASSERT(md->mds_capa);
- ll_add_capa(inode, md->mds_capa);
- }
-
- if (body->mbo_valid & OBD_MD_FLOSSCAPA) {
- LASSERT(md->oss_capa);
- ll_add_capa(inode, md->oss_capa);
- }
-
if (body->mbo_valid & OBD_MD_TSTATE) {
if (body->mbo_t_state & MS_RESTORE)
lli->lli_flags |= LLIF_FILE_RESTORING;
ll_i2gids(op_data->op_suppgids, i1, i2);
op_data->op_fid1 = *ll_inode2fid(i1);
- op_data->op_capa1 = ll_mdscapa_get(i1);
op_data->op_default_stripe_offset = -1;
if (S_ISDIR(i1->i_mode)) {
op_data->op_mea1 = ll_i2info(i1)->lli_lsm_md;
if (i2) {
op_data->op_fid2 = *ll_inode2fid(i2);
- op_data->op_capa2 = ll_mdscapa_get(i2);
if (S_ISDIR(i2->i_mode))
op_data->op_mea2 = ll_i2info(i2)->lli_lsm_md;
} else {
fid_zero(&op_data->op_fid2);
- op_data->op_capa2 = NULL;
}
if (ll_i2sbi(i1)->ll_flags & LL_SBI_64BIT_HASH)
void ll_finish_md_op_data(struct md_op_data *op_data)
{
- capa_put(op_data->op_capa1);
- capa_put(op_data->op_capa2);
OBD_FREE_PTR(op_data);
}
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ptlrpc_request *req = NULL;
struct mdt_remote_perm *perm;
- struct obd_capa *oc;
cfs_time_t save;
int i = 0, rc;
ENTRY;
LBUG();
}
- oc = ll_mdscapa_get(inode);
- rc = md_get_remote_perm(sbi->ll_md_exp, ll_inode2fid(inode), oc,
- ll_i2suppgid(inode), &req);
- capa_put(oc);
+ rc = md_get_remote_perm(sbi->ll_md_exp, ll_inode2fid(inode),
+ ll_i2suppgid(inode), &req);
if (rc) {
mutex_unlock(&lli->lli_rmtperm_mutex);
break;
{
LASSERT(minfo && einfo);
iput(minfo->mi_dir);
- capa_put(minfo->mi_data.op_capa1);
- capa_put(minfo->mi_data.op_capa2);
OBD_FREE_PTR(minfo);
OBD_FREE_PTR(einfo);
}
/*
* prepare arguments for async stat RPC.
- *
- * There is race condition between "capa_put" and "ll_statahead_interpret" for
- * accessing "op_data.op_capa[1,2]" as following:
- * "capa_put" releases "op_data.op_capa[1,2]"'s reference count after calling
- * "md_intent_getattr_async". But "ll_statahead_interpret" maybe run first, and
- * fill "op_data.op_capa[1,2]" as POISON, then cause "capa_put" access invalid
- * "ocapa". So here reserve "op_data.op_capa[1,2]" in "pcapa" before calling
- * "md_intent_getattr_async".
*/
static int sa_prep_data(struct inode *dir, struct inode *child,
struct sa_entry *entry, struct md_enqueue_info **pmi,
- struct ldlm_enqueue_info **pei,
- struct obd_capa **pcapa)
+ struct ldlm_enqueue_info **pei)
{
struct qstr *qstr = &entry->se_qstr;
struct md_enqueue_info *minfo;
*pmi = minfo;
*pei = einfo;
- pcapa[0] = op_data->op_capa1;
- pcapa[1] = op_data->op_capa2;
return 0;
}
{
struct md_enqueue_info *minfo;
struct ldlm_enqueue_info *einfo;
- struct obd_capa *capas[2];
int rc;
ENTRY;
- rc = sa_prep_data(dir, NULL, entry, &minfo, &einfo, capas);
+ rc = sa_prep_data(dir, NULL, entry, &minfo, &einfo);
if (rc)
RETURN(rc);
rc = md_intent_getattr_async(ll_i2mdexp(dir), minfo, einfo);
- if (!rc) {
- capa_put(capas[0]);
- capa_put(capas[1]);
- } else {
+ if (rc < 0)
sa_fini_data(minfo, einfo);
- }
RETURN(rc);
}
.d.lustre.it_lock_handle = 0 };
struct md_enqueue_info *minfo;
struct ldlm_enqueue_info *einfo;
- struct obd_capa *capas[2];
int rc;
ENTRY;
RETURN(1);
}
- rc = sa_prep_data(dir, inode, entry, &minfo, &einfo, capas);
+ rc = sa_prep_data(dir, inode, entry, &minfo, &einfo);
if (rc) {
entry->se_inode = NULL;
iput(inode);
}
rc = md_intent_getattr_async(ll_i2mdexp(dir), minfo, einfo);
- if (!rc) {
- capa_put(capas[0]);
- capa_put(capas[1]);
- } else {
+ if (rc < 0) {
entry->se_inode = NULL;
iput(inode);
sa_fini_data(minfo, einfo);
do_gettimeofday(&tv);
cfs_srand(tv.tv_sec ^ seed[0], tv.tv_usec ^ seed[1]);
- init_timer(&ll_capa_timer);
- ll_capa_timer.function = ll_capa_timer_callback;
- rc = ll_capa_thread_start();
- if (rc != 0)
- GOTO(out_proc, rc);
-
rc = vvp_global_init();
if (rc != 0)
- GOTO(out_capa, rc);
+ GOTO(out_proc, rc);
cl_inode_fini_env = cl_env_alloc(&cl_inode_fini_refcheck,
LCT_REMEMBER | LCT_NOREF);
cl_env_put(cl_inode_fini_env, &cl_inode_fini_refcheck);
out_vvp:
vvp_global_fini();
-out_capa:
- del_timer(&ll_capa_timer);
- ll_capa_thread_stop();
out_proc:
lprocfs_remove(&proc_lustre_fs_root);
out_cache:
ll_xattr_fini();
cl_env_put(cl_inode_fini_env, &cl_inode_fini_refcheck);
vvp_global_fini();
- del_timer(&ll_capa_timer);
- ll_capa_thread_stop();
- LASSERTF(capa_count[CAPA_SITE_CLIENT] == 0,
- "client remaining capa count %d\n",
- capa_count[CAPA_SITE_CLIENT]);
kmem_cache_destroy(ll_inode_cachep);
kmem_cache_destroy(ll_rmtperm_hash_cachep);
enum obd_notify_event;
struct inode;
struct lustre_md;
-struct obd_capa;
struct obd_device;
struct obd_export;
struct page;
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ptlrpc_request *req = NULL;
int xattr_type, rc;
- struct obd_capa *oc;
posix_acl_xattr_header *new_value = NULL;
struct rmtacl_ctl_entry *rce = NULL;
ext_acl_xattr_header *acl = NULL;
valid |= rce_ops2valid(rce->rce_ops);
}
#endif
- oc = ll_mdscapa_get(inode);
- rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode), oc,
- valid, name, pv, size, 0, flags,
- ll_i2suppgid(inode), &req);
- capa_put(oc);
+ rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode), valid, name, pv,
+ size, 0, flags, ll_i2suppgid(inode), &req);
+
#ifdef CONFIG_FS_POSIX_ACL
if (new_value != NULL)
lustre_posix_acl_xattr_free(new_value, size);
struct mdt_body *body;
int xattr_type, rc;
void *xdata;
- struct obd_capa *oc;
struct rmtacl_ctl_entry *rce = NULL;
struct ll_inode_info *lli = ll_i2info(inode);
ENTRY;
}
} else {
getxattr_nocache:
- oc = ll_mdscapa_get(inode);
- rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode), oc,
+ rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode),
valid | (rce ? rce_ops2valid(rce->rce_ops) : 0),
name, NULL, 0, size, 0, &req);
- capa_put(oc);
if (rc < 0)
GOTO(out_xattr, rc);
return rc;
}
-static int lmv_getstatus(struct obd_export *exp,
- struct lu_fid *fid,
- struct obd_capa **pc)
+static int lmv_getstatus(struct obd_export *exp, struct lu_fid *fid)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
if (rc)
RETURN(rc);
- rc = md_getstatus(lmv->tgts[0]->ltd_exp, fid, pc);
+ rc = md_getstatus(lmv->tgts[0]->ltd_exp, fid);
RETURN(rc);
}
static int lmv_getxattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, u64 valid, const char *name,
+ u64 valid, const char *name,
const char *input, int input_size, int output_size,
int flags, struct ptlrpc_request **request)
{
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_getxattr(tgt->ltd_exp, fid, oc, valid, name, input,
- input_size, output_size, flags, request);
+ rc = md_getxattr(tgt->ltd_exp, fid, valid, name, input,
+ input_size, output_size, flags, request);
- RETURN(rc);
+ RETURN(rc);
}
static int lmv_setxattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, u64 valid, const char *name,
+ u64 valid, const char *name,
const char *input, int input_size, int output_size,
int flags, __u32 suppgid,
struct ptlrpc_request **request)
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_setxattr(tgt->ltd_exp, fid, oc, valid, name, input,
- input_size, output_size, flags, suppgid,
- request);
+ rc = md_setxattr(tgt->ltd_exp, fid, valid, name, input,
+ input_size, output_size, flags, suppgid,
+ request);
- RETURN(rc);
+ RETURN(rc);
}
static int lmv_getattr(struct obd_export *exp, struct md_op_data *op_data,
}
static int lmv_fsync(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, struct ptlrpc_request **request)
+ struct ptlrpc_request **request)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_fsync(tgt->ltd_exp, fid, oc, request);
+ rc = md_fsync(tgt->ltd_exp, fid, request);
RETURN(rc);
}
RETURN(md_clear_open_replay_data(tgt->ltd_exp, och));
}
-static int lmv_get_remote_perm(struct obd_export *exp,
- const struct lu_fid *fid,
- struct obd_capa *oc, __u32 suppgid,
- struct ptlrpc_request **request)
+static int lmv_get_remote_perm(struct obd_export *exp, const struct lu_fid *fid,
+ u32 suppgid, struct ptlrpc_request **request)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_get_remote_perm(tgt->ltd_exp, fid, oc, suppgid, request);
- RETURN(rc);
-}
-
-static int lmv_renew_capa(struct obd_export *exp, struct obd_capa *oc,
- renew_capa_cb_t cb)
-{
- struct obd_device *obd = exp->exp_obd;
- struct lmv_obd *lmv = &obd->u.lmv;
- struct lmv_tgt_desc *tgt;
- int rc;
- ENTRY;
-
- rc = lmv_check_connect(obd);
- if (rc)
- RETURN(rc);
-
- tgt = lmv_find_target(lmv, &oc->c_capa.lc_fid);
- if (IS_ERR(tgt))
- RETURN(PTR_ERR(tgt));
-
- rc = md_renew_capa(tgt->ltd_exp, oc, cb);
- RETURN(rc);
-}
-
-int lmv_unpack_capa(struct obd_export *exp, struct ptlrpc_request *req,
- const struct req_msg_field *field, struct obd_capa **oc)
-{
- struct lmv_obd *lmv = &exp->exp_obd->u.lmv;
- struct lmv_tgt_desc *tgt = lmv->tgts[0];
-
- if (tgt == NULL || tgt->ltd_exp == NULL)
- RETURN(-EINVAL);
- return md_unpack_capa(tgt->ltd_exp, req, field, oc);
+ rc = md_get_remote_perm(tgt->ltd_exp, fid, suppgid, request);
+ RETURN(rc);
}
int lmv_intent_getattr_async(struct obd_export *exp,
.m_merge_attr = lmv_merge_attr,
.m_set_open_replay_data = lmv_set_open_replay_data,
.m_clear_open_replay_data = lmv_clear_open_replay_data,
- .m_renew_capa = lmv_renew_capa,
- .m_unpack_capa = lmv_unpack_capa,
.m_get_remote_perm = lmv_get_remote_perm,
.m_intent_getattr_async = lmv_intent_getattr_async,
.m_revalidate_lock = lmv_revalidate_lock,
#endif
void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
- struct obd_capa *oc, __u64 valid, size_t ea_size,
- __u32 suppgid, __u32 flags);
-void mdc_pack_capa(struct ptlrpc_request *req,
- const struct req_msg_field *field, struct obd_capa *oc);
+ u64 valid, size_t ea_size, u32 suppgid, u32 flags);
void mdc_swap_layouts_pack(struct ptlrpc_request *req,
struct md_op_data *op_data);
void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, size_t size,
- const struct lu_fid *fid, struct obd_capa *oc);
+ const struct lu_fid *fid);
void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, __u32 flags,
struct md_op_data *data, size_t ea_size);
void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
ldlm_policy_data_t *policy, ldlm_mode_t mode,
ldlm_cancel_flags_t flags, void *opaque);
-static inline void mdc_set_capa_size(struct ptlrpc_request *req,
- const struct req_msg_field *field,
- struct obd_capa *oc)
-{
- if (oc == NULL)
- req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
- else
- /* it is already calculated as sizeof struct obd_capa */
- ;
-}
-
int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
struct lu_fid *fid, __u64 *bits);
b->mbo_capability = cfs_curproc_cap_pack();
}
-void mdc_pack_capa(struct ptlrpc_request *req, const struct req_msg_field *field,
- struct obd_capa *oc)
-{
- struct req_capsule *pill = &req->rq_pill;
- struct lustre_capa *c;
-
- if (oc == NULL) {
- LASSERT(req_capsule_get_size(pill, field, RCL_CLIENT) == 0);
- return;
- }
-
- c = req_capsule_client_get(pill, field);
- LASSERT(c != NULL);
- capa_cpy(c, oc);
- DEBUG_CAPA(D_SEC, c, "pack");
-}
-
void mdc_swap_layouts_pack(struct ptlrpc_request *req,
struct md_op_data *op_data)
{
b->mbo_fid1 = op_data->op_fid1;
b->mbo_fid2 = op_data->op_fid2;
b->mbo_valid |= OBD_MD_FLID;
-
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2);
}
-void mdc_pack_body(struct ptlrpc_request *req,
- const struct lu_fid *fid, struct obd_capa *oc,
- __u64 valid, size_t ea_size, __u32 suppgid, __u32 flags)
+void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
+ u64 valid, size_t ea_size, u32 suppgid, u32 flags)
{
struct mdt_body *b = req_capsule_client_get(&req->rq_pill,
&RMF_MDT_BODY);
if (fid) {
b->mbo_fid1 = *fid;
b->mbo_valid |= OBD_MD_FLID;
- mdc_pack_capa(req, &RMF_CAPA1, oc);
}
}
}
void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, size_t size,
- const struct lu_fid *fid, struct obd_capa *oc)
+ const struct lu_fid *fid)
{
struct mdt_body *b = req_capsule_client_get(&req->rq_pill,
&RMF_MDT_BODY);
b->mbo_nlink = size; /* !! */
__mdc_pack_body(b, -1);
b->mbo_mode = LUDA_FID | LUDA_TYPE;
-
- mdc_pack_capa(req, &RMF_CAPA1, oc);
}
/* packing of MDS records */
rec->cr_bias = op_data->op_bias;
rec->cr_umask = current_umask();
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
-
mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen);
if (data) {
tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
rec->cr_bias = op_data->op_bias;
rec->cr_old_handle = op_data->op_handle;
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
- /* the next buffer is child capa, which is used for replay,
- * will be packed from the data in reply message. */
-
if (op_data->op_name) {
mdc_pack_name(req, &RMF_NAME, op_data->op_name,
op_data->op_namelen);
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
mdc_setattr_pack_rec(rec, op_data);
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
-
if (ealen == 0)
return;
rec->ul_time = op_data->op_mod_time;
rec->ul_bias = op_data->op_bias;
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
-
mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen);
}
rec->lk_time = op_data->op_mod_time;
rec->lk_bias = op_data->op_bias;
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2);
-
mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen);
}
rec->rn_mode = op_data->op_mode;
rec->rn_bias = op_data->op_bias;
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2);
-
mdc_pack_name(req, &RMF_NAME, old, oldlen);
if (new != NULL)
b->mbo_fid2 = op_data->op_fid2;
b->mbo_valid |= OBD_MD_FLID;
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
-
if (op_data->op_name != NULL)
mdc_pack_name(req, &RMF_NAME, op_data->op_name,
op_data->op_namelen);
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
mdc_setattr_pack_rec(rec, op_data);
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
mdc_ioepoch_pack(epoch, op_data);
mdc_intent_close_pack(req, op_data);
}
RETURN(ERR_PTR(-ENOMEM));
}
- /* parent capability */
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- /* child capability, reserve the size according to parent capa, it will
- * be filled after we get the reply */
- mdc_set_capa_size(req, &RMF_CAPA2, op_data->op_capa1);
-
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
if (req == NULL)
RETURN(ERR_PTR(-ENOMEM));
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ldlm_prep_enqueue_req(exp, req, &cancels, count);
if (rc) {
ptlrpc_request_free(req);
maxdata = class_exp2cliimp(exp)->imp_connect_data.ocd_max_easize;
/* pack the intended request */
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- op_data->op_valid, maxdata, -1, 0);
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_valid, maxdata, -1,
+ 0);
req_capsule_set_size(&req->rq_pill, &RMF_EADATA,
RCL_SERVER, maxdata);
if (req == NULL)
RETURN(ERR_PTR(-ENOMEM));
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
struct obd_device *obddev = class_exp2obd(exp);
u64 valid = OBD_MD_FLGETATTR | OBD_MD_FLEASIZE |
OBD_MD_FLMODEASIZE | OBD_MD_FLDIREA |
- OBD_MD_FLMDSCAPA | OBD_MD_MEA |
+ OBD_MD_MEA |
(client_is_remote(exp) ?
OBD_MD_FLRMTPERM : OBD_MD_FLACL);
struct ldlm_intent *lit;
if (req == NULL)
RETURN(ERR_PTR(-ENOMEM));
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
if (perm == NULL)
RETURN(-EPROTO);
}
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- struct lustre_capa *capa, *p;
-
- capa = req_capsule_server_get(pill, &RMF_CAPA1);
- if (capa == NULL)
- RETURN(-EPROTO);
-
- if (it->it_op & IT_OPEN) {
- /* client fid capa will be checked in replay */
- p = req_capsule_client_get(pill, &RMF_CAPA2);
- LASSERT(p);
- *p = *capa;
- }
- }
- if (body->mbo_valid & OBD_MD_FLOSSCAPA) {
- struct lustre_capa *capa;
-
- capa = req_capsule_server_get(pill, &RMF_CAPA2);
- if (capa == NULL)
- RETURN(-EPROTO);
- }
} else if (it->it_op & IT_LAYOUT) {
/* maybe the lock was granted right away and layout
* is packed into RMF_DLM_LVB of req */
ldlm_lock_list_put(&cancels, l_bl_ast, count);
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
req_capsule_set_size(&req->rq_pill, &RMF_MDT_EPOCH, RCL_CLIENT, 0);
req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT, ealen);
req_capsule_set_size(&req->rq_pill, &RMF_LOGCOOKIES, RCL_CLIENT, 0);
ldlm_lock_list_put(&cancels, l_bl_ast, count);
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
CDEBUG(D_HA, "resend cross eviction\n");
RETURN(-EIO);
}
- } else if (rc == 0) {
- struct mdt_body *body;
- struct lustre_capa *capa;
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- LASSERT(body);
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- capa = req_capsule_server_get(&req->rq_pill,
- &RMF_CAPA1);
- if (capa == NULL)
- rc = -EPROTO;
- }
}
*request = req;
ldlm_lock_list_put(&cancels, l_bl_ast, count);
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
ldlm_lock_list_put(&cancels, l_bl_ast, count);
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_set_capa_size(req, &RMF_CAPA2, op_data->op_capa2);
+
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_set_capa_size(req, &RMF_CAPA2, op_data->op_capa2);
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT, oldlen + 1);
req_capsule_set_size(&req->rq_pill, &RMF_SYMTGT, RCL_CLIENT, newlen+1);
#define REQUEST_MINOR 244
-struct mdc_renew_capa_args {
- struct obd_capa *ra_oc;
- renew_capa_cb_t ra_cb;
-};
-
static int mdc_cleanup(struct obd_device *obd);
-static int mdc_unpack_capa(struct obd_export *exp, struct ptlrpc_request *req,
- const struct req_msg_field *field,
- struct obd_capa **oc)
-{
- struct lustre_capa *capa;
- struct obd_capa *c;
- ENTRY;
-
- /* swabbed already in mdc_enqueue */
- capa = req_capsule_server_get(&req->rq_pill, field);
- if (capa == NULL)
- RETURN(-EPROTO);
-
- c = alloc_capa(CAPA_SITE_CLIENT);
- if (IS_ERR(c)) {
- CDEBUG(D_INFO, "alloc capa failed!\n");
- RETURN(PTR_ERR(c));
- } else {
- c->c_capa = *capa;
- *oc = c;
- RETURN(0);
- }
-}
-
static inline int mdc_queue_wait(struct ptlrpc_request *req)
{
struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
return rc;
}
-/* Helper that implements most of mdc_getstatus and signal_completed_replay. */
-/* XXX this should become mdc_get_info("key"), sending MDS_GET_INFO RPC */
-static int send_getstatus(struct obd_import *imp, struct lu_fid *rootfid,
- struct obd_capa **pc, int level, int msg_flags)
+static int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid)
{
- struct ptlrpc_request *req;
- struct mdt_body *body;
- int rc;
- ENTRY;
+ struct ptlrpc_request *req;
+ struct mdt_body *body;
+ int rc;
- req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_GETSTATUS,
- LUSTRE_MDS_VERSION, MDS_GETSTATUS);
- if (req == NULL)
- RETURN(-ENOMEM);
+ ENTRY;
- mdc_pack_body(req, NULL, NULL, 0, 0, -1, 0);
- lustre_msg_add_flags(req->rq_reqmsg, msg_flags);
- req->rq_send_state = level;
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
+ &RQF_MDS_GETSTATUS,
+ LUSTRE_MDS_VERSION, MDS_GETSTATUS);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- ptlrpc_request_set_replen(req);
+ mdc_pack_body(req, NULL, 0, 0, -1, 0);
+ req->rq_send_state = LUSTRE_IMP_FULL;
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out, rc);
+ ptlrpc_request_set_replen(req);
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- if (body == NULL)
- GOTO(out, rc = -EPROTO);
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, pc);
- if (rc)
- GOTO(out, rc);
- }
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
*rootfid = body->mbo_fid1;
CDEBUG(D_NET, "root fid="DFID", last_committed="LPU64"\n",
PFID(rootfid), lustre_msg_get_last_committed(req->rq_repmsg));
- EXIT;
+ EXIT;
out:
- ptlrpc_req_finished(req);
- return rc;
-}
+ ptlrpc_req_finished(req);
-/* This should be mdc_get_info("rootfid") */
-static int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid,
- struct obd_capa **pc)
-{
- return send_getstatus(class_exp2cliimp(exp), rootfid, pc,
- LUSTRE_IMP_FULL, 0);
+ return rc;
}
/*
RETURN(-EPROTO);
}
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- struct lustre_capa *capa;
- capa = req_capsule_server_get(pill, &RMF_CAPA1);
- if (capa == NULL)
- RETURN(-EPROTO);
- }
-
RETURN(0);
}
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- op_data->op_valid, op_data->op_mode, -1, 0);
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_valid,
+ op_data->op_mode, -1, 0);
req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
op_data->op_mode);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- op_data->op_valid, op_data->op_mode,
- op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_valid,
+ op_data->op_mode, op_data->op_suppgids[0], 0);
if (op_data->op_name) {
char *name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
}
static int mdc_xattr_common(struct obd_export *exp,const struct req_format *fmt,
- const struct lu_fid *fid,
- struct obd_capa *oc, int opcode, u64 valid,
+ const struct lu_fid *fid, int opcode, u64 valid,
const char *xattr_name, const char *input,
int input_size, int output_size, int flags,
__u32 suppgid, struct ptlrpc_request **request)
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
if (xattr_name) {
xattr_namelen = strlen(xattr_name) + 1;
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
rec->sx_time = cfs_time_current_sec();
rec->sx_size = output_size;
rec->sx_flags = flags;
-
- mdc_pack_capa(req, &RMF_CAPA1, oc);
- } else {
- mdc_pack_body(req, fid, oc, valid, output_size, suppgid, flags);
- }
+ } else {
+ mdc_pack_body(req, fid, valid, output_size, suppgid, flags);
+ }
if (xattr_name) {
tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
}
static int mdc_setxattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, u64 valid,
- const char *xattr_name,
+ u64 valid, const char *xattr_name,
const char *input, int input_size, int output_size,
int flags, __u32 suppgid,
struct ptlrpc_request **request)
{
- return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
- fid, oc, MDS_REINT, valid, xattr_name,
- input, input_size, output_size, flags,
- suppgid, request);
+ return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
+ fid, MDS_REINT, valid, xattr_name,
+ input, input_size, output_size, flags,
+ suppgid, request);
}
static int mdc_getxattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, u64 valid,
- const char *xattr_name,
+ u64 valid, const char *xattr_name,
const char *input, int input_size, int output_size,
int flags, struct ptlrpc_request **request)
{
- return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
- fid, oc, MDS_GETXATTR, valid, xattr_name,
- input, input_size, output_size, flags,
- -1, request);
+ return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
+ fid, MDS_GETXATTR, valid, xattr_name,
+ input, input_size, output_size, flags,
+ -1, request);
}
#ifdef CONFIG_FS_POSIX_ACL
#endif
}
}
- if (md->body->mbo_valid & OBD_MD_FLMDSCAPA) {
- struct obd_capa *oc = NULL;
-
- rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, &oc);
- if (rc)
- GOTO(out, rc);
- md->mds_capa = oc;
- }
-
- if (md->body->mbo_valid & OBD_MD_FLOSSCAPA) {
- struct obd_capa *oc = NULL;
-
- rc = mdc_unpack_capa(NULL, req, &RMF_CAPA2, &oc);
- if (rc)
- GOTO(out, rc);
- md->oss_capa = oc;
- }
EXIT;
out:
if (rc) {
- if (md->oss_capa) {
- capa_put(md->oss_capa);
- md->oss_capa = NULL;
- }
- if (md->mds_capa) {
- capa_put(md->mds_capa);
- md->mds_capa = NULL;
- }
#ifdef CONFIG_FS_POSIX_ACL
posix_acl_release(md->posix_acl);
#endif
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE);
if (rc) {
ptlrpc_request_free(req);
}
static int mdc_getpage(struct obd_export *exp, const struct lu_fid *fid,
- __u64 offset, struct obd_capa *oc,
- struct page **pages, int npages,
+ u64 offset, struct page **pages, int npages,
struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_READPAGE);
if (rc) {
ptlrpc_request_free(req);
desc->bd_frag_ops->add_kiov_frag(desc, pages[i], 0,
PAGE_CACHE_SIZE);
- mdc_readdir_pack(req, offset, PAGE_CACHE_SIZE * npages, fid, oc);
+ mdc_readdir_pack(req, offset, PAGE_CACHE_SIZE * npages, fid);
ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
page_pool[npages] = page;
}
- rc = mdc_getpage(rp->rp_exp, fid, rp->rp_off, op_data->op_capa1,
- page_pool, npages, &req);
+ rc = mdc_getpage(rp->rp_exp, fid, rp->rp_off, page_pool, npages, &req);
if (rc < 0) {
/* page0 is special, which was added into page cache early */
delete_from_page_cache(page0);
if (req == NULL)
GOTO(out, rc = -ENOMEM);
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
/* Copy hsm_progress struct */
req_hpk = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_PROGRESS);
if (req == NULL)
GOTO(out, rc = -ENOMEM);
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
/* Copy hsm_progress struct */
archive_mask = req_capsule_client_get(&req->rq_pill,
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_ACTION);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, OBD_MD_FLRMTPERM, 0,
+ op_data->op_suppgids[0], 0);
ptlrpc_request_set_replen(req);
if (req == NULL)
GOTO(out, rc = -ENOMEM);
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
ptlrpc_request_set_replen(req);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_STATE_GET);
if (rc != 0) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, OBD_MD_FLRMTPERM, 0,
+ op_data->op_suppgids[0], 0);
ptlrpc_request_set_replen(req);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_STATE_SET);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, OBD_MD_FLRMTPERM, 0,
+ op_data->op_suppgids[0], 0);
/* Copy states */
req_hss = req_capsule_client_get(&req->rq_pill, &RMF_HSM_STATE_SET);
RETURN(rc);
}
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
/* Copy hsm_request struct */
req_hr = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_REQUEST);
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_set_capa_size(req, &RMF_CAPA2, op_data->op_capa2);
-
rc = mdc_prep_elc_req(exp, req, MDS_SWAP_LAYOUTS, &cancels, count);
if (rc) {
ptlrpc_request_free(req);
}
static int mdc_fsync(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, struct ptlrpc_request **request)
+ struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int rc;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_SYNC);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, fid, oc, 0, 0, -1, 0);
+ mdc_pack_body(req, fid, 0, 0, -1, 0);
ptlrpc_request_set_replen(req);
/* get remote permission for current user on fid */
static int mdc_get_remote_perm(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, __u32 suppgid,
- struct ptlrpc_request **request)
+ u32 suppgid, struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int rc;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, fid, oc, OBD_MD_FLRMTPERM, 0, suppgid, 0);
+ mdc_pack_body(req, fid, OBD_MD_FLRMTPERM, 0, suppgid, 0);
req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER,
sizeof(struct mdt_remote_perm));
RETURN(rc);
}
-static int mdc_interpret_renew_capa(const struct lu_env *env,
- struct ptlrpc_request *req, void *args,
- int status)
-{
- struct mdc_renew_capa_args *ra = args;
- struct mdt_body *body = NULL;
- struct lustre_capa *capa;
- ENTRY;
-
- if (status)
- GOTO(out, capa = ERR_PTR(status));
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- if (body == NULL)
- GOTO(out, capa = ERR_PTR(-EFAULT));
-
- if ((body->mbo_valid & OBD_MD_FLOSSCAPA) == 0)
- GOTO(out, capa = ERR_PTR(-ENOENT));
-
- capa = req_capsule_server_get(&req->rq_pill, &RMF_CAPA2);
- if (!capa)
- GOTO(out, capa = ERR_PTR(-EFAULT));
- EXIT;
-out:
- ra->ra_cb(ra->ra_oc, capa);
- return 0;
-}
-
-static int mdc_renew_capa(struct obd_export *exp, struct obd_capa *oc,
- renew_capa_cb_t cb)
-{
- struct ptlrpc_request *req;
- struct mdc_renew_capa_args *ra;
- ENTRY;
-
- req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_MDS_GETATTR,
- LUSTRE_MDS_VERSION, MDS_GETATTR);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- /* NB, OBD_MD_FLOSSCAPA is set here, but it doesn't necessarily mean the
- * capa to renew is oss capa.
- */
- mdc_pack_body(req, &oc->c_capa.lc_fid, oc, OBD_MD_FLOSSCAPA, 0, -1, 0);
- ptlrpc_request_set_replen(req);
-
- CLASSERT(sizeof(*ra) <= sizeof(req->rq_async_args));
- ra = ptlrpc_req_async_args(req);
- ra->ra_oc = oc;
- ra->ra_cb = cb;
- req->rq_interpret_reply = mdc_interpret_renew_capa;
- ptlrpcd_add_req(req, PDL_POLICY_LOCAL, -1);
- RETURN(0);
-}
-
static struct obd_ops mdc_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = mdc_setup,
.m_free_lustre_md = mdc_free_lustre_md,
.m_set_open_replay_data = mdc_set_open_replay_data,
.m_clear_open_replay_data = mdc_clear_open_replay_data,
- .m_renew_capa = mdc_renew_capa,
- .m_unpack_capa = mdc_unpack_capa,
.m_get_remote_perm = mdc_get_remote_perm,
.m_intent_getattr_async = mdc_intent_getattr_async,
.m_revalidate_lock = mdc_revalidate_lock
obdclass-all-objs += lprocfs_status.o lprocfs_counters.o
obdclass-all-objs += lustre_handles.o lustre_peer.o local_storage.o
obdclass-all-objs += statfs_pack.o obdo.o obd_config.o obd_mount.o
-obdclass-all-objs += lu_object.o dt_object.o capa.o
+obdclass-all-objs += lu_object.o dt_object.o
obdclass-all-objs += cl_object.o cl_page.o cl_lock.o cl_io.o lu_ref.o
obdclass-all-objs += acl.o
obdclass-all-objs += linkea.o
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, 2014, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/obdclass/capa.c
- *
- * Lustre Capability Hash Management
- *
- * Author: Lai Siyao<lsy@clusterfs.com>
- */
-
-#define DEBUG_SUBSYSTEM S_SEC
-
-#include <linux/version.h>
-#include <linux/fs.h>
-#include <asm/unistd.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include <obd_class.h>
-#include <lustre_debug.h>
-#include <lustre/lustre_idl.h>
-
-#include <libcfs/list.h>
-#include <lustre_capa.h>
-
-#define NR_CAPAHASH 32
-#define CAPA_HASH_SIZE 3000 /* for MDS & OSS */
-
-struct kmem_cache *capa_cachep;
-
-/* lock for capa hash/capa_list/fo_capa_keys */
-DEFINE_SPINLOCK(capa_lock);
-
-struct list_head capa_list[CAPA_SITE_MAX];
-
-static struct capa_hmac_alg capa_hmac_algs[] = {
- DEF_CAPA_HMAC_ALG("sha1", SHA1, 20, 20),
-};
-/* capa count */
-int capa_count[CAPA_SITE_MAX] = { 0, };
-
-EXPORT_SYMBOL(capa_cachep);
-EXPORT_SYMBOL(capa_list);
-EXPORT_SYMBOL(capa_lock);
-EXPORT_SYMBOL(capa_count);
-
-struct hlist_head *init_capa_hash(void)
-{
- struct hlist_head *hash;
- int nr_hash, i;
-
- OBD_ALLOC(hash, PAGE_CACHE_SIZE);
- if (!hash)
- return NULL;
-
- nr_hash = PAGE_CACHE_SIZE / sizeof(struct hlist_head);
- LASSERT(nr_hash > NR_CAPAHASH);
-
- for (i = 0; i < NR_CAPAHASH; i++)
- INIT_HLIST_HEAD(hash + i);
- return hash;
-}
-EXPORT_SYMBOL(init_capa_hash);
-
-static inline int capa_on_server(struct obd_capa *ocapa)
-{
- return ocapa->c_site == CAPA_SITE_SERVER;
-}
-
-static inline void capa_delete(struct obd_capa *ocapa)
-{
- LASSERT(capa_on_server(ocapa));
- hlist_del_init(&ocapa->u.tgt.c_hash);
- list_del_init(&ocapa->c_list);
- capa_count[ocapa->c_site]--;
- /* release the ref when alloc */
- capa_put(ocapa);
-}
-
-void cleanup_capa_hash(struct hlist_head *hash)
-{
- struct hlist_node __maybe_unused *pos;
- struct hlist_node *next;
- struct obd_capa *oc;
- int i;
-
- spin_lock(&capa_lock);
- for (i = 0; i < NR_CAPAHASH; i++) {
- cfs_hlist_for_each_entry_safe(oc, pos, next, hash + i,
- u.tgt.c_hash)
- capa_delete(oc);
- }
- spin_unlock(&capa_lock);
-
- OBD_FREE(hash, PAGE_CACHE_SIZE);
-}
-EXPORT_SYMBOL(cleanup_capa_hash);
-
-static inline int capa_hashfn(struct lu_fid *fid)
-{
- return (fid_oid(fid) ^ fid_ver(fid)) *
- (unsigned long)(fid_seq(fid) + 1) % NR_CAPAHASH;
-}
-
-/* capa renewal time check is earlier than that on client, which is to prevent
- * client renew right after obtaining it. */
-static inline int capa_is_to_expire(struct obd_capa *oc)
-{
- return cfs_time_before(cfs_time_sub(oc->c_expiry,
- cfs_time_seconds(oc->c_capa.lc_timeout)*2/3),
- cfs_time_current());
-}
-
-static struct obd_capa *find_capa(struct lustre_capa *capa,
- struct hlist_head *head, int alive)
-{
- struct hlist_node __maybe_unused *pos;
- struct obd_capa *ocapa;
- int len = alive ? offsetof(struct lustre_capa, lc_keyid):sizeof(*capa);
-
- cfs_hlist_for_each_entry(ocapa, pos, head, u.tgt.c_hash) {
- if (memcmp(&ocapa->c_capa, capa, len))
- continue;
- /* don't return one that will expire soon in this case */
- if (alive && capa_is_to_expire(ocapa))
- continue;
-
- LASSERT(capa_on_server(ocapa));
-
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "found");
- return ocapa;
- }
-
- return NULL;
-}
-
-#define LRU_CAPA_DELETE_COUNT 12
-static inline void capa_delete_lru(struct list_head *head)
-{
- struct obd_capa *ocapa;
- struct list_head *node = head->next;
- int count = 0;
-
- /* free LRU_CAPA_DELETE_COUNT unused capa from head */
- while (count++ < LRU_CAPA_DELETE_COUNT) {
- ocapa = list_entry(node, struct obd_capa, c_list);
- node = node->next;
- if (atomic_read(&ocapa->c_refc))
- continue;
-
- DEBUG_CAPA(D_SEC, &ocapa->c_capa, "free lru");
- capa_delete(ocapa);
- }
-}
-
-/* add or update */
-struct obd_capa *capa_add(struct hlist_head *hash, struct lustre_capa *capa)
-{
- struct hlist_head *head = hash + capa_hashfn(&capa->lc_fid);
- struct obd_capa *ocapa, *old = NULL;
- struct list_head *list = &capa_list[CAPA_SITE_SERVER];
-
- ocapa = alloc_capa(CAPA_SITE_SERVER);
- if (IS_ERR(ocapa))
- return NULL;
-
- spin_lock(&capa_lock);
- old = find_capa(capa, head, 0);
- if (!old) {
- ocapa->c_capa = *capa;
- set_capa_expiry(ocapa);
- hlist_add_head(&ocapa->u.tgt.c_hash, head);
- list_add_tail(&ocapa->c_list, list);
- capa_get(ocapa);
- capa_count[CAPA_SITE_SERVER]++;
- if (capa_count[CAPA_SITE_SERVER] > CAPA_HASH_SIZE)
- capa_delete_lru(list);
- spin_unlock(&capa_lock);
- return ocapa;
- } else {
- capa_get(old);
- spin_unlock(&capa_lock);
- capa_put(ocapa);
- return old;
- }
-}
-EXPORT_SYMBOL(capa_add);
-
-struct obd_capa *capa_lookup(struct hlist_head *hash, struct lustre_capa *capa,
- int alive)
-{
- struct obd_capa *ocapa;
-
- spin_lock(&capa_lock);
- ocapa = find_capa(capa, hash + capa_hashfn(&capa->lc_fid), alive);
- if (ocapa) {
- list_move_tail(&ocapa->c_list, &capa_list[CAPA_SITE_SERVER]);
- capa_get(ocapa);
- }
- spin_unlock(&capa_lock);
-
- return ocapa;
-}
-EXPORT_SYMBOL(capa_lookup);
-
-int capa_hmac(__u8 *hmac, struct lustre_capa *capa, __u8 *key)
-{
- struct crypto_hash *tfm;
- struct capa_hmac_alg *alg;
- int keylen;
- struct scatterlist sl;
-
- if (capa_alg(capa) != CAPA_HMAC_ALG_SHA1) {
- CERROR("unknown capability hmac algorithm!\n");
- return -EFAULT;
- }
-
- alg = &capa_hmac_algs[capa_alg(capa)];
-
- tfm = crypto_alloc_hash(alg->ha_name, 0, 0);
- if (IS_ERR(tfm)) {
- CERROR("crypto_alloc_tfm failed, check whether your kernel"
- "has crypto support!\n");
- return PTR_ERR(tfm);
- }
- keylen = alg->ha_keylen;
-
- sg_init_table(&sl, 1);
- sg_set_page(&sl, virt_to_page(capa),
- offsetof(struct lustre_capa, lc_hmac),
- (unsigned long)(capa) % PAGE_CACHE_SIZE);
-
- ll_crypto_hmac(tfm, key, &keylen, &sl, sl.length, hmac);
- crypto_free_hash(tfm);
-
- return 0;
-}
-EXPORT_SYMBOL(capa_hmac);
-
-int capa_encrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen)
-{
- struct crypto_blkcipher *tfm;
- struct scatterlist sd;
- struct scatterlist ss;
- struct blkcipher_desc desc;
- unsigned int min;
- int rc;
- char alg[CRYPTO_MAX_ALG_NAME+1] = "aes";
- ENTRY;
-
- /* passing "aes" in a variable instead of a constant string keeps gcc
- * 4.3.2 happy */
- tfm = crypto_alloc_blkcipher(alg, 0, 0 );
- if (IS_ERR(tfm)) {
- CERROR("failed to load transform for aes\n");
- RETURN(PTR_ERR(tfm));
- }
-
- min = ll_crypto_tfm_alg_min_keysize(tfm);
- if (keylen < min) {
- CERROR("keylen at least %d bits for aes\n", min * 8);
- GOTO(out, rc = -EINVAL);
- }
-
- rc = crypto_blkcipher_setkey(tfm, key, min);
- if (rc) {
- CERROR("failed to setting key for aes\n");
- GOTO(out, rc);
- }
-
- sg_init_table(&sd, 1);
- sg_set_page(&sd, virt_to_page(d), 16,
- (unsigned long)(d) % PAGE_CACHE_SIZE);
-
- sg_init_table(&ss, 1);
- sg_set_page(&ss, virt_to_page(s), 16,
- (unsigned long)(s) % PAGE_CACHE_SIZE);
- desc.tfm = tfm;
- desc.info = NULL;
- desc.flags = 0;
- rc = crypto_blkcipher_encrypt(&desc, &sd, &ss, 16);
- if (rc) {
- CERROR("failed to encrypt for aes\n");
- GOTO(out, rc);
- }
-
- EXIT;
-
-out:
- crypto_free_blkcipher(tfm);
- return rc;
-}
-EXPORT_SYMBOL(capa_encrypt_id);
-
-int capa_decrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen)
-{
- struct crypto_blkcipher *tfm;
- struct scatterlist sd;
- struct scatterlist ss;
- struct blkcipher_desc desc;
- unsigned int min;
- int rc;
- char alg[CRYPTO_MAX_ALG_NAME+1] = "aes";
- ENTRY;
-
- /* passing "aes" in a variable instead of a constant string keeps gcc
- * 4.3.2 happy */
- tfm = crypto_alloc_blkcipher(alg, 0, 0 );
- if (IS_ERR(tfm)) {
- CERROR("failed to load transform for aes\n");
- RETURN(PTR_ERR(tfm));
- }
-
- min = ll_crypto_tfm_alg_min_keysize(tfm);
- if (keylen < min) {
- CERROR("keylen at least %d bits for aes\n", min * 8);
- GOTO(out, rc = -EINVAL);
- }
-
- rc = crypto_blkcipher_setkey(tfm, key, min);
- if (rc) {
- CERROR("failed to setting key for aes\n");
- GOTO(out, rc);
- }
-
- sg_init_table(&sd, 1);
- sg_set_page(&sd, virt_to_page(d), 16,
- (unsigned long)(d) % PAGE_CACHE_SIZE);
-
- sg_init_table(&ss, 1);
- sg_set_page(&ss, virt_to_page(s), 16,
- (unsigned long)(s) % PAGE_CACHE_SIZE);
-
- desc.tfm = tfm;
- desc.info = NULL;
- desc.flags = 0;
- rc = crypto_blkcipher_decrypt(&desc, &sd, &ss, 16);
- if (rc) {
- CERROR("failed to decrypt for aes\n");
- GOTO(out, rc);
- }
-
- EXIT;
-
-out:
- crypto_free_blkcipher(tfm);
- return rc;
-}
-
-void capa_cpy(void *capa, struct obd_capa *ocapa)
-{
- spin_lock(&ocapa->c_lock);
- *(struct lustre_capa *)capa = ocapa->c_capa;
- spin_unlock(&ocapa->c_lock);
-}
-EXPORT_SYMBOL(capa_cpy);
-
-void _debug_capa(struct lustre_capa *c,
- struct libcfs_debug_msg_data *msgdata,
- const char *fmt, ... )
-{
- va_list args;
- va_start(args, fmt);
- libcfs_debug_vmsg2(msgdata, fmt, args,
- " capability@%p fid "DFID" opc "LPX64" uid "LPU64
- " gid "LPU64" flags %u alg %d keyid %u timeout %u "
- "expiry %u\n", c, PFID(capa_fid(c)), capa_opc(c),
- capa_uid(c), capa_gid(c), capa_flags(c),
- capa_alg(c), capa_keyid(c), capa_timeout(c),
- capa_expiry(c));
- va_end(args);
-}
-EXPORT_SYMBOL(_debug_capa);
-
-/*
- * context key constructor/destructor:
- * lu_capainfo_key_init, lu_capainfo_key_fini
- */
-LU_KEY_INIT_FINI(lu_capainfo, struct lu_capainfo);
-
-static struct lu_context_key lu_capainfo_key = {
- .lct_tags = LCT_SERVER_SESSION,
- .lct_init = lu_capainfo_key_init,
- .lct_fini = lu_capainfo_key_fini
-};
-
-struct lu_capainfo *lu_capainfo_get(const struct lu_env *env)
-{
- /* NB, in mdt_init0 */
- if (env->le_ses == NULL)
- return NULL;
- return lu_context_key_get(env->le_ses, &lu_capainfo_key);
-}
-EXPORT_SYMBOL(lu_capainfo_get);
-
-/**
- * Initialization of lu_capainfo_key data.
- */
-int lu_capainfo_init(void)
-{
- int rc;
-
- LU_CONTEXT_KEY_INIT(&lu_capainfo_key);
- rc = lu_context_key_register(&lu_capainfo_key);
- return rc;
-}
-
-/**
- * Dual to lu_capainfo_init().
- */
-void lu_capainfo_fini(void)
-{
- lu_context_key_degister(&lu_capainfo_key);
-}
{
int i, err;
- for (i = CAPA_SITE_CLIENT; i < CAPA_SITE_MAX; i++)
- INIT_LIST_HEAD(&capa_list[i]);
-
LCONSOLE_INFO("Lustre: Build Version: "BUILD_VERSION"\n");
spin_lock_init(&obd_types_lock);
if (err)
return err;
- err = lu_capainfo_init();
- if (err)
- return err;
-
err = cl_global_init();
if (err != 0)
return err;
dt_global_fini();
#endif /* HAVE_SERVER_SUPPORT */
cl_global_fini();
- lu_capainfo_fini();
lu_global_fini();
obd_cleanup_caches();
kmem_cache_destroy(import_cachep);
import_cachep = NULL;
}
- if (capa_cachep) {
- kmem_cache_destroy(capa_cachep);
- capa_cachep = NULL;
- }
+
EXIT;
}
if (!import_cachep)
GOTO(out, rc = -ENOMEM);
- LASSERT(capa_cachep == NULL);
- capa_cachep = kmem_cache_create("capa_cache", sizeof(struct obd_capa),
- 0, 0, NULL);
- if (!capa_cachep)
- GOTO(out, rc = -ENOMEM);
-
RETURN(0);
out:
obd_cleanup_caches();
LPROCFS_MD_OP_INIT(num_private_stats, stats, set_lock_data);
LPROCFS_MD_OP_INIT(num_private_stats, stats, lock_match);
LPROCFS_MD_OP_INIT(num_private_stats, stats, cancel_unused);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, renew_capa);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, unpack_capa);
LPROCFS_MD_OP_INIT(num_private_stats, stats, get_remote_perm);
LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_getattr_async);
LPROCFS_MD_OP_INIT(num_private_stats, stats, revalidate_lock);
git://git.whamcloud.com / fs / lustre-release.git / commitdiff