aboutsummaryrefslogtreecommitdiffstats
path: root/block/as-iosched.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/as-iosched.c')
-rw-r--r--block/as-iosched.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c
index 7a12cf6ee1d3..ce8ba57c6557 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -146,7 +146,7 @@ enum arq_state {
146#define RQ_STATE(rq) ((enum arq_state)(rq)->elevator_private2) 146#define RQ_STATE(rq) ((enum arq_state)(rq)->elevator_private2)
147#define RQ_SET_STATE(rq, state) ((rq)->elevator_private2 = (void *) state) 147#define RQ_SET_STATE(rq, state) ((rq)->elevator_private2 = (void *) state)
148 148
149static DEFINE_PER_CPU(unsigned long, ioc_count); 149static DEFINE_PER_CPU(unsigned long, as_ioc_count);
150static struct completion *ioc_gone; 150static struct completion *ioc_gone;
151static DEFINE_SPINLOCK(ioc_gone_lock); 151static DEFINE_SPINLOCK(ioc_gone_lock);
152 152
@@ -161,7 +161,7 @@ static void as_antic_stop(struct as_data *ad);
161static void free_as_io_context(struct as_io_context *aic) 161static void free_as_io_context(struct as_io_context *aic)
162{ 162{
163 kfree(aic); 163 kfree(aic);
164 elv_ioc_count_dec(ioc_count); 164 elv_ioc_count_dec(as_ioc_count);
165 if (ioc_gone) { 165 if (ioc_gone) {
166 /* 166 /*
167 * AS scheduler is exiting, grab exit lock and check 167 * AS scheduler is exiting, grab exit lock and check
@@ -169,7 +169,7 @@ static void free_as_io_context(struct as_io_context *aic)
169 * complete ioc_gone and set it back to NULL. 169 * complete ioc_gone and set it back to NULL.
170 */ 170 */
171 spin_lock(&ioc_gone_lock); 171 spin_lock(&ioc_gone_lock);
172 if (ioc_gone && !elv_ioc_count_read(ioc_count)) { 172 if (ioc_gone && !elv_ioc_count_read(as_ioc_count)) {
173 complete(ioc_gone); 173 complete(ioc_gone);
174 ioc_gone = NULL; 174 ioc_gone = NULL;
175 } 175 }
@@ -211,7 +211,7 @@ static struct as_io_context *alloc_as_io_context(void)
211 ret->seek_total = 0; 211 ret->seek_total = 0;
212 ret->seek_samples = 0; 212 ret->seek_samples = 0;
213 ret->seek_mean = 0; 213 ret->seek_mean = 0;
214 elv_ioc_count_inc(ioc_count); 214 elv_ioc_count_inc(as_ioc_count);
215 } 215 }
216 216
217 return ret; 217 return ret;
@@ -1507,7 +1507,7 @@ static void __exit as_exit(void)
1507 ioc_gone = &all_gone; 1507 ioc_gone = &all_gone;
1508 /* ioc_gone's update must be visible before reading ioc_count */ 1508 /* ioc_gone's update must be visible before reading ioc_count */
1509 smp_wmb(); 1509 smp_wmb();
1510 if (elv_ioc_count_read(ioc_count)) 1510 if (elv_ioc_count_read(as_ioc_count))
1511 wait_for_completion(&all_gone); 1511 wait_for_completion(&all_gone);
1512 synchronize_rcu(); 1512 synchronize_rcu();
1513} 1513}