-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define LOV_INTERNAL_H
#include <obd_class.h>
+#include <obd_lov.h>
#include <lustre/lustre_user.h>
struct lov_lock_handles {
struct portals_handle llh_handle;
- atomic_t llh_refcount;
+ cfs_atomic_t llh_refcount;
int llh_stripe_count;
struct lustre_handle llh_handles[0];
};
struct obd_info rq_oi;
struct lov_request_set *rq_rqset;
- struct list_head rq_link;
+ cfs_list_t rq_link;
int rq_idx; /* index in lov->tgts array */
int rq_stripe; /* stripe number */
struct lov_request_set {
struct ldlm_enqueue_info*set_ei;
struct obd_info *set_oi;
- atomic_t set_refcount;
+ cfs_atomic_t set_refcount;
struct obd_export *set_exp;
/* XXX: There is @set_exp already, however obd_statfs gets obd_device
only. */
struct obd_device *set_obd;
int set_count;
- int set_completes;
- int set_success;
+ cfs_atomic_t set_completes;
+ cfs_atomic_t set_success;
struct llog_cookie *set_cookies;
int set_cookie_sent;
struct obd_trans_info *set_oti;
obd_count set_oabufs;
struct brw_page *set_pga;
struct lov_lock_handles *set_lockh;
- struct list_head set_list;
+ cfs_list_t set_list;
cfs_waitq_t set_waitq;
- spinlock_t set_lock;
+ cfs_spinlock_t set_lock;
};
extern cfs_mem_cache_t *lov_oinfo_slab;
-static inline void lov_llh_addref(void *llhp)
+void lov_finish_set(struct lov_request_set *set);
+
+static inline void lov_get_reqset(struct lov_request_set *set)
{
- struct lov_lock_handles *llh = llhp;
- atomic_inc(&llh->llh_refcount);
- CDEBUG(D_INFO, "GETting llh %p : new refcount %d\n", llh,
- atomic_read(&llh->llh_refcount));
+ LASSERT(set != NULL);
+ LASSERT(cfs_atomic_read(&set->set_refcount) > 0);
+ cfs_atomic_inc(&set->set_refcount);
}
-static inline struct lov_lock_handles *lov_llh_new(struct lov_stripe_md *lsm)
+static inline void lov_put_reqset(struct lov_request_set *set)
{
- struct lov_lock_handles *llh;
-
- OBD_ALLOC(llh, sizeof *llh +
- sizeof(*llh->llh_handles) * lsm->lsm_stripe_count);
- if (llh == NULL)
- return NULL;
- atomic_set(&llh->llh_refcount, 2);
- llh->llh_stripe_count = lsm->lsm_stripe_count;
- CFS_INIT_LIST_HEAD(&llh->llh_handle.h_link);
- class_handle_hash(&llh->llh_handle, lov_llh_addref);
- return llh;
+ if (cfs_atomic_dec_and_test(&set->set_refcount))
+ lov_finish_set(set);
}
static inline struct lov_lock_handles *
static inline void lov_llh_put(struct lov_lock_handles *llh)
{
CDEBUG(D_INFO, "PUTting llh %p : new refcount %d\n", llh,
- atomic_read(&llh->llh_refcount) - 1);
- LASSERT(atomic_read(&llh->llh_refcount) > 0 &&
- atomic_read(&llh->llh_refcount) < 0x5a5a);
- if (atomic_dec_and_test(&llh->llh_refcount)) {
+ cfs_atomic_read(&llh->llh_refcount) - 1);
+ LASSERT(cfs_atomic_read(&llh->llh_refcount) > 0 &&
+ cfs_atomic_read(&llh->llh_refcount) < 0x5a5a);
+ if (cfs_atomic_dec_and_test(&llh->llh_refcount)) {
class_handle_unhash(&llh->llh_handle);
/* The structure may be held by other threads because RCU.
* -jxiong */
- if (atomic_read(&llh->llh_refcount))
+ if (cfs_atomic_read(&llh->llh_refcount))
return;
OBD_FREE_RCU(llh, sizeof *llh +
(char *)((lv)->lov_tgts[index]->ltd_uuid.uuid)
/* lov_merge.c */
-void lov_merge_attrs(struct obdo *tgt, struct obdo *src, obd_flag valid,
+void lov_merge_attrs(struct obdo *tgt, struct obdo *src, obd_valid valid,
struct lov_stripe_md *lsm, int stripeno, int *set);
int lov_merge_lvb(struct obd_export *exp, struct lov_stripe_md *lsm,
struct ost_lvb *lvb, int kms_only);
struct obd_trans_info *oti,
struct lov_request_set **reqset);
int cb_create_update(void *cookie, int rc);
-int lov_update_create_set(struct lov_request_set *set,
- struct lov_request *req, int rc);
int lov_fini_create_set(struct lov_request_set *set, struct lov_stripe_md **ea);
int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
obd_count oa_bufs, struct brw_page *pga,
struct lov_request_set **reqset);
int lov_fini_punch_set(struct lov_request_set *set);
int lov_prep_sync_set(struct obd_export *exp, struct obd_info *obd_info,
- struct obdo *src_oa,
- struct lov_stripe_md *lsm, obd_off start,
- obd_off end, struct lov_request_set **reqset);
+ obd_off start, obd_off end,
+ struct lov_request_set **reqset);
int lov_fini_sync_set(struct lov_request_set *set);
int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
struct ldlm_enqueue_info *einfo,
ldlm_policy_data_t *policy, __u32 mode,
struct lustre_handle *lockh,
struct lov_request_set **reqset);
-int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
- int rc);
int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags);
int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_stripe_md *lsm,
void lov_fix_desc_stripe_count(__u32 *val);
void lov_fix_desc_pattern(__u32 *val);
void lov_fix_desc_qos_maxage(__u32 *val);
-int lov_get_stripecnt(struct lov_obd *lov, __u32 stripe_count);
+__u16 lov_get_stripecnt(struct lov_obd *lov, __u32 magic, __u16 stripe_count);
int lov_connect_obd(struct obd_device *obd, __u32 index, int activate,
struct obd_connect_data *data);
int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
struct lov_user_md *lump);
int lov_getstripe(struct obd_export *exp,
struct lov_stripe_md *lsm, struct lov_user_md *lump);
-int lov_alloc_memmd(struct lov_stripe_md **lsmp, int stripe_count,
- int pattern, int magic);
+int lov_alloc_memmd(struct lov_stripe_md **lsmp, __u16 stripe_count,
+ int pattern, int magic);
void lov_free_memmd(struct lov_stripe_md **lsmp);
void lov_dump_lmm_v1(int level, struct lov_mds_md_v1 *lmm);
void lov_dump_lmm(int level, void *lmm);
/* lov_ea.c */
-struct lov_stripe_md *lsm_alloc_plain(int stripe_count, int *size);
+struct lov_stripe_md *lsm_alloc_plain(__u16 stripe_count, int *size);
void lsm_free_plain(struct lov_stripe_md *lsm);
int lovea_destroy_object(struct lov_obd *lov, struct lov_stripe_md *lsm,
int lov_check_index_in_pool(__u32 idx, struct pool_desc *pool);
void lov_pool_putref(struct pool_desc *pool);
-#if BITS_PER_LONG == 64
-# define ll_do_div64(n,base) ({ \
- uint64_t __base = (base); \
- uint64_t __rem; \
- __rem = ((uint64_t)(n)) % __base; \
- (n) = ((uint64_t)(n)) / __base; \
- __rem; \
- })
-#elif BITS_PER_LONG == 32
-# define ll_do_div64(n,base) ({ \
- uint64_t __rem; \
- if ((sizeof(base) > 4) && (((base)&0xffffffff00000000ULL) != 0)) { \
- int __remainder; \
- LASSERTF(!((base) & (LOV_MIN_STRIPE_SIZE - 1)), "64 bit lov "\
- "division %llu / %llu\n", (n), (base)); \
- __remainder = (n) & (LOV_MIN_STRIPE_SIZE - 1); \
- (n) >>= LOV_MIN_STRIPE_BITS; \
- (base) >>= LOV_MIN_STRIPE_BITS; \
- __rem = do_div(n, base); \
- __rem <<= LOV_MIN_STRIPE_BITS; \
- __rem += __remainder; \
- } else { \
- __rem = do_div(n, base); \
- } \
- __rem; \
- })
-#else
-#error Unsupported architecture.
-#endif
-
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff