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-rw-r--r--fs/fscache/internal.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 1c341304621f..edd7434ab6e5 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -17,6 +17,7 @@
17 * - cache->object_list_lock 17 * - cache->object_list_lock
18 * - object->lock 18 * - object->lock
19 * - object->parent->lock 19 * - object->parent->lock
20 * - cookie->stores_lock
20 * - fscache_thread_lock 21 * - fscache_thread_lock
21 * 22 *
22 */ 23 */
@@ -88,17 +89,31 @@ extern int fscache_wait_bit_interruptible(void *);
88/* 89/*
89 * object.c 90 * object.c
90 */ 91 */
92extern const char fscache_object_states_short[FSCACHE_OBJECT__NSTATES][5];
93
91extern void fscache_withdrawing_object(struct fscache_cache *, 94extern void fscache_withdrawing_object(struct fscache_cache *,
92 struct fscache_object *); 95 struct fscache_object *);
93extern void fscache_enqueue_object(struct fscache_object *); 96extern void fscache_enqueue_object(struct fscache_object *);
94 97
95/* 98/*
99 * object-list.c
100 */
101#ifdef CONFIG_FSCACHE_OBJECT_LIST
102extern const struct file_operations fscache_objlist_fops;
103
104extern void fscache_objlist_add(struct fscache_object *);
105#else
106#define fscache_objlist_add(object) do {} while(0)
107#endif
108
109/*
96 * operation.c 110 * operation.c
97 */ 111 */
98extern int fscache_submit_exclusive_op(struct fscache_object *, 112extern int fscache_submit_exclusive_op(struct fscache_object *,
99 struct fscache_operation *); 113 struct fscache_operation *);
100extern int fscache_submit_op(struct fscache_object *, 114extern int fscache_submit_op(struct fscache_object *,
101 struct fscache_operation *); 115 struct fscache_operation *);
116extern int fscache_cancel_op(struct fscache_operation *);
102extern void fscache_abort_object(struct fscache_object *); 117extern void fscache_abort_object(struct fscache_object *);
103extern void fscache_start_operations(struct fscache_object *); 118extern void fscache_start_operations(struct fscache_object *);
104extern void fscache_operation_gc(struct work_struct *); 119extern void fscache_operation_gc(struct work_struct *);
@@ -127,6 +142,8 @@ extern atomic_t fscache_n_op_enqueue;
127extern atomic_t fscache_n_op_deferred_release; 142extern atomic_t fscache_n_op_deferred_release;
128extern atomic_t fscache_n_op_release; 143extern atomic_t fscache_n_op_release;
129extern atomic_t fscache_n_op_gc; 144extern atomic_t fscache_n_op_gc;
145extern atomic_t fscache_n_op_cancelled;
146extern atomic_t fscache_n_op_rejected;
130 147
131extern atomic_t fscache_n_attr_changed; 148extern atomic_t fscache_n_attr_changed;
132extern atomic_t fscache_n_attr_changed_ok; 149extern atomic_t fscache_n_attr_changed_ok;
@@ -138,6 +155,8 @@ extern atomic_t fscache_n_allocs;
138extern atomic_t fscache_n_allocs_ok; 155extern atomic_t fscache_n_allocs_ok;
139extern atomic_t fscache_n_allocs_wait; 156extern atomic_t fscache_n_allocs_wait;
140extern atomic_t fscache_n_allocs_nobufs; 157extern atomic_t fscache_n_allocs_nobufs;
158extern atomic_t fscache_n_allocs_intr;
159extern atomic_t fscache_n_allocs_object_dead;
141extern atomic_t fscache_n_alloc_ops; 160extern atomic_t fscache_n_alloc_ops;
142extern atomic_t fscache_n_alloc_op_waits; 161extern atomic_t fscache_n_alloc_op_waits;
143 162
@@ -148,6 +167,7 @@ extern atomic_t fscache_n_retrievals_nodata;
148extern atomic_t fscache_n_retrievals_nobufs; 167extern atomic_t fscache_n_retrievals_nobufs;
149extern atomic_t fscache_n_retrievals_intr; 168extern atomic_t fscache_n_retrievals_intr;
150extern atomic_t fscache_n_retrievals_nomem; 169extern atomic_t fscache_n_retrievals_nomem;
170extern atomic_t fscache_n_retrievals_object_dead;
151extern atomic_t fscache_n_retrieval_ops; 171extern atomic_t fscache_n_retrieval_ops;
152extern atomic_t fscache_n_retrieval_op_waits; 172extern atomic_t fscache_n_retrieval_op_waits;
153 173
@@ -158,6 +178,14 @@ extern atomic_t fscache_n_stores_nobufs;
158extern atomic_t fscache_n_stores_oom; 178extern atomic_t fscache_n_stores_oom;
159extern atomic_t fscache_n_store_ops; 179extern atomic_t fscache_n_store_ops;
160extern atomic_t fscache_n_store_calls; 180extern atomic_t fscache_n_store_calls;
181extern atomic_t fscache_n_store_pages;
182extern atomic_t fscache_n_store_radix_deletes;
183extern atomic_t fscache_n_store_pages_over_limit;
184
185extern atomic_t fscache_n_store_vmscan_not_storing;
186extern atomic_t fscache_n_store_vmscan_gone;
187extern atomic_t fscache_n_store_vmscan_busy;
188extern atomic_t fscache_n_store_vmscan_cancelled;
161 189
162extern atomic_t fscache_n_marks; 190extern atomic_t fscache_n_marks;
163extern atomic_t fscache_n_uncaches; 191extern atomic_t fscache_n_uncaches;
@@ -176,6 +204,7 @@ extern atomic_t fscache_n_updates_run;
176extern atomic_t fscache_n_relinquishes; 204extern atomic_t fscache_n_relinquishes;
177extern atomic_t fscache_n_relinquishes_null; 205extern atomic_t fscache_n_relinquishes_null;
178extern atomic_t fscache_n_relinquishes_waitcrt; 206extern atomic_t fscache_n_relinquishes_waitcrt;
207extern atomic_t fscache_n_relinquishes_retire;
179 208
180extern atomic_t fscache_n_cookie_index; 209extern atomic_t fscache_n_cookie_index;
181extern atomic_t fscache_n_cookie_data; 210extern atomic_t fscache_n_cookie_data;
@@ -186,6 +215,7 @@ extern atomic_t fscache_n_object_no_alloc;
186extern atomic_t fscache_n_object_lookups; 215extern atomic_t fscache_n_object_lookups;
187extern atomic_t fscache_n_object_lookups_negative; 216extern atomic_t fscache_n_object_lookups_negative;
188extern atomic_t fscache_n_object_lookups_positive; 217extern atomic_t fscache_n_object_lookups_positive;
218extern atomic_t fscache_n_object_lookups_timed_out;
189extern atomic_t fscache_n_object_created; 219extern atomic_t fscache_n_object_created;
190extern atomic_t fscache_n_object_avail; 220extern atomic_t fscache_n_object_avail;
191extern atomic_t fscache_n_object_dead; 221extern atomic_t fscache_n_object_dead;
@@ -195,15 +225,41 @@ extern atomic_t fscache_n_checkaux_okay;
195extern atomic_t fscache_n_checkaux_update; 225extern atomic_t fscache_n_checkaux_update;
196extern atomic_t fscache_n_checkaux_obsolete; 226extern atomic_t fscache_n_checkaux_obsolete;
197 227
228extern atomic_t fscache_n_cop_alloc_object;
229extern atomic_t fscache_n_cop_lookup_object;
230extern atomic_t fscache_n_cop_lookup_complete;
231extern atomic_t fscache_n_cop_grab_object;
232extern atomic_t fscache_n_cop_update_object;
233extern atomic_t fscache_n_cop_drop_object;
234extern atomic_t fscache_n_cop_put_object;
235extern atomic_t fscache_n_cop_sync_cache;
236extern atomic_t fscache_n_cop_attr_changed;
237extern atomic_t fscache_n_cop_read_or_alloc_page;
238extern atomic_t fscache_n_cop_read_or_alloc_pages;
239extern atomic_t fscache_n_cop_allocate_page;
240extern atomic_t fscache_n_cop_allocate_pages;
241extern atomic_t fscache_n_cop_write_page;
242extern atomic_t fscache_n_cop_uncache_page;
243extern atomic_t fscache_n_cop_dissociate_pages;
244
198static inline void fscache_stat(atomic_t *stat) 245static inline void fscache_stat(atomic_t *stat)
199{ 246{
200 atomic_inc(stat); 247 atomic_inc(stat);
201} 248}
202 249
250static inline void fscache_stat_d(atomic_t *stat)
251{
252 atomic_dec(stat);
253}
254
255#define __fscache_stat(stat) (stat)
256
203extern const struct file_operations fscache_stats_fops; 257extern const struct file_operations fscache_stats_fops;
204#else 258#else
205 259
260#define __fscache_stat(stat) (NULL)
206#define fscache_stat(stat) do {} while (0) 261#define fscache_stat(stat) do {} while (0)
262#define fscache_stat_d(stat) do {} while (0)
207#endif 263#endif
208 264
209/* 265/*