A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 10:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block

Browse source
This commit is contained in:
Linus Torvalds 2005-10-28 08:53:00 -07:00
commit 0ee40c6628
4 changed files with 24 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

24
drivers/block/elevator.c
View file

@ -97,7 +97,6 @@ static struct elevator_type *elevator_find(const char *name)
struct elevator_type *e = NULL;
struct list_head *entry;
spin_lock_irq(&elv_list_lock);
list_for_each(entry, &elv_list) {
struct elevator_type *__e;
@ -108,7 +107,6 @@ static struct elevator_type *elevator_find(const char *name)
break;
}
}
spin_unlock_irq(&elv_list_lock);
return e;
}
@ -120,12 +118,15 @@ static void elevator_put(struct elevator_type *e)
static struct elevator_type *elevator_get(const char *name)
{
struct elevator_type *e = elevator_find(name);
struct elevator_type *e;
if (!e)
return NULL;
if (!try_module_get(e->elevator_owner))
return NULL;
spin_lock_irq(&elv_list_lock);
e = elevator_find(name);
if (e && !try_module_get(e->elevator_owner))
e = NULL;
spin_unlock_irq(&elv_list_lock);
return e;
}
@ -153,11 +154,15 @@ static char chosen_elevator[16];
static void elevator_setup_default(void)
{
struct elevator_type *e;
/*
* check if default is set and exists
*/
if (chosen_elevator[0] && elevator_find(chosen_elevator))
if (chosen_elevator[0] && (e = elevator_get(chosen_elevator))) {
elevator_put(e);
return;
}
#if defined(CONFIG_IOSCHED_AS)
strcpy(chosen_elevator, "anticipatory");
@ -555,10 +560,9 @@ void elv_unregister_queue(struct request_queue *q)
int elv_register(struct elevator_type *e)
{
spin_lock_irq(&elv_list_lock);
if (elevator_find(e->elevator_name))
BUG();
spin_lock_irq(&elv_list_lock);
list_add_tail(&e->list, &elv_list);
spin_unlock_irq(&elv_list_lock);

14
drivers/block/ll_rw_blk.c
View file

@ -2433,13 +2433,15 @@ void disk_round_stats(struct gendisk *disk)
{
unsigned long now = jiffies;
__disk_stat_add(disk, time_in_queue,
disk->in_flight * (now - disk->stamp));
disk->stamp = now;
if (now == disk->stamp)
return;
if (disk->in_flight)
__disk_stat_add(disk, io_ticks, (now - disk->stamp_idle));
disk->stamp_idle = now;
if (disk->in_flight) {
__disk_stat_add(disk, time_in_queue,
disk->in_flight * (now - disk->stamp));
__disk_stat_add(disk, io_ticks, (now - disk->stamp));
}
disk->stamp = now;
}
/*