#ifndef __OBD_H
#define __OBD_H
-#include "linux/obd.h"
+#include <linux/spinlock.h>
#define IOC_OSC_TYPE 'h'
#define IOC_OSC_MIN_NR 20
#include "lustre_export.h"
#include "lustre_fid.h"
#include "lustre_fld.h"
+#include "lustre_intent.h"
#define MAX_OBD_DEVICES 8192
obd_enqueue_update_f oi_cb_up;
};
-void lov_stripe_lock(struct lov_stripe_md *md);
-void lov_stripe_unlock(struct lov_stripe_md *md);
-
struct obd_type {
struct list_head typ_chain;
struct obd_ops *typ_dt_ops;
* blocking everywhere, but we don't want to slow down fast-path of
* our main platform.)
*
- * Exact type of ->cl_loi_list_lock is defined in arch/obd.h together
- * with client_obd_list_{un,}lock() and
- * client_obd_list_lock_{init,done}() functions.
- *
* NB by Jinshan: though field names are still _loi_, but actually
* osc_object{}s are in the list.
*/
- struct client_obd_lock cl_loi_list_lock;
+ spinlock_t cl_loi_list_lock;
struct list_head cl_loi_ready_list;
struct list_head cl_loi_hp_ready_list;
struct list_head cl_loi_write_list;
atomic_t cl_lru_shrinkers;
atomic_t cl_lru_in_list;
struct list_head cl_lru_list; /* lru page list */
- struct client_obd_lock cl_lru_list_lock; /* page list protector */
+ spinlock_t cl_lru_list_lock; /* page list protector */
+ atomic_t cl_unstable_count;
/* number of in flight destroy rpcs is limited to max_rpcs_in_flight */
atomic_t cl_destroy_in_flight;
/* ptlrpc work for writeback in ptlrpcd context */
void *cl_writeback_work;
+ void *cl_lru_work;
/* hash tables for osc_quota_info */
struct cfs_hash *cl_quota_hash[MAXQUOTAS];
};
struct rw_semaphore op_rw_sem; /* to protect ost_pool use */
};
-/* Round-robin allocator data */
-struct lov_qos_rr {
- __u32 lqr_start_idx; /* start index of new inode */
- __u32 lqr_offset_idx; /* aliasing for start_idx */
- int lqr_start_count; /* reseed counter */
- struct ost_pool lqr_pool; /* round-robin optimized list */
- unsigned long lqr_dirty:1; /* recalc round-robin list */
-};
-
/* allow statfs data caching for 1 second */
#define OBD_STATFS_CACHE_SECONDS 1
-struct lov_statfs_data {
- struct obd_info lsd_oi;
- struct obd_statfs lsd_statfs;
-};
-
-/* Stripe placement optimization */
-struct lov_qos {
- struct list_head lq_oss_list; /* list of OSSs that targets use */
- struct rw_semaphore lq_rw_sem;
- __u32 lq_active_oss_count;
- unsigned int lq_prio_free; /* priority for free space */
- unsigned int lq_threshold_rr;/* priority for rr */
- struct lov_qos_rr lq_rr; /* round robin qos data */
- unsigned long lq_dirty:1, /* recalc qos data */
- lq_same_space:1,/* the ost's all have approx.
- * the same space avail
- */
- lq_reset:1, /* zero current penalties */
- lq_statfs_in_progress:1; /* statfs op in
- progress */
- /* qos statfs data */
- struct lov_statfs_data *lq_statfs_data;
- wait_queue_head_t lq_statfs_waitq; /* waitqueue to notify statfs
- * requests completion
- */
-};
-
struct lov_tgt_desc {
struct list_head ltd_kill;
struct obd_uuid ltd_uuid;
ltd_reap:1; /* should this target be deleted */
};
-/* Pool metadata */
-#define pool_tgt_size(_p) _p->pool_obds.op_size
-#define pool_tgt_count(_p) _p->pool_obds.op_count
-#define pool_tgt_array(_p) _p->pool_obds.op_array
-#define pool_tgt_rw_sem(_p) _p->pool_obds.op_rw_sem
-
-struct pool_desc {
- char pool_name[LOV_MAXPOOLNAME + 1]; /* name of pool */
- struct ost_pool pool_obds; /* pool members */
- atomic_t pool_refcount; /* pool ref. counter */
- struct lov_qos_rr pool_rr; /* round robin qos */
- struct hlist_node pool_hash; /* access by poolname */
- struct list_head pool_list; /* serial access */
- struct dentry *pool_debugfs_entry; /* file in debugfs */
- struct obd_device *pool_lobd; /* obd of the lov/lod to which
- * this pool belongs
- */
-};
-
struct lov_obd {
struct lov_desc desc;
struct lov_tgt_desc **lov_tgts; /* sparse array */
struct mutex lov_lock;
struct obd_connect_data lov_ocd;
atomic_t lov_refcount;
- __u32 lov_tgt_count; /* how many OBD's */
- __u32 lov_active_tgt_count; /* how many active */
__u32 lov_death_row;/* tgts scheduled to be deleted */
__u32 lov_tgt_size; /* size of tgts array */
int lov_connects;
struct dentry *lov_pool_debugfs_entry;
enum lustre_sec_part lov_sp_me;
- /* Cached LRU pages from upper layer */
+ /* Cached LRU and unstable data from upper layer */
void *lov_cache;
struct rw_semaphore lov_notify_lock;
struct obd_uuid cluuid;
struct obd_export *exp;
- struct mutex init_mutex;
+ struct mutex lmv_init_mutex;
int connected;
int max_easize;
int max_def_easize;
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