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-rw-r--r--mm/backing-dev.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index ac78a3336181..4e9ed2a8521f 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -50,7 +50,7 @@ static struct timer_list sync_supers_timer;
50static int bdi_sync_supers(void *); 50static int bdi_sync_supers(void *);
51static void sync_supers_timer_fn(unsigned long); 51static void sync_supers_timer_fn(unsigned long);
52 52
53static void bdi_add_default_flusher_task(struct backing_dev_info *bdi); 53static void bdi_add_default_flusher_thread(struct backing_dev_info *bdi);
54 54
55#ifdef CONFIG_DEBUG_FS 55#ifdef CONFIG_DEBUG_FS
56#include <linux/debugfs.h> 56#include <linux/debugfs.h>
@@ -279,10 +279,10 @@ static void bdi_flush_io(struct backing_dev_info *bdi)
279} 279}
280 280
281/* 281/*
282 * kupdated() used to do this. We cannot do it from the bdi_forker_task() 282 * kupdated() used to do this. We cannot do it from the bdi_forker_thread()
283 * or we risk deadlocking on ->s_umount. The longer term solution would be 283 * or we risk deadlocking on ->s_umount. The longer term solution would be
284 * to implement sync_supers_bdi() or similar and simply do it from the 284 * to implement sync_supers_bdi() or similar and simply do it from the
285 * bdi writeback tasks individually. 285 * bdi writeback thread individually.
286 */ 286 */
287static int bdi_sync_supers(void *unused) 287static int bdi_sync_supers(void *unused)
288{ 288{
@@ -318,7 +318,7 @@ static void sync_supers_timer_fn(unsigned long unused)
318 bdi_arm_supers_timer(); 318 bdi_arm_supers_timer();
319} 319}
320 320
321static int bdi_forker_task(void *ptr) 321static int bdi_forker_thread(void *ptr)
322{ 322{
323 struct bdi_writeback *me = ptr; 323 struct bdi_writeback *me = ptr;
324 324
@@ -354,7 +354,7 @@ static int bdi_forker_task(void *ptr)
354 !bdi_has_dirty_io(bdi)) 354 !bdi_has_dirty_io(bdi))
355 continue; 355 continue;
356 356
357 bdi_add_default_flusher_task(bdi); 357 bdi_add_default_flusher_thread(bdi);
358 } 358 }
359 359
360 set_current_state(TASK_INTERRUPTIBLE); 360 set_current_state(TASK_INTERRUPTIBLE);
@@ -376,7 +376,7 @@ static int bdi_forker_task(void *ptr)
376 376
377 /* 377 /*
378 * This is our real job - check for pending entries in 378 * This is our real job - check for pending entries in
379 * bdi_pending_list, and create the tasks that got added 379 * bdi_pending_list, and create the threads that got added
380 */ 380 */
381 bdi = list_entry(bdi_pending_list.next, struct backing_dev_info, 381 bdi = list_entry(bdi_pending_list.next, struct backing_dev_info,
382 bdi_list); 382 bdi_list);
@@ -387,7 +387,7 @@ static int bdi_forker_task(void *ptr)
387 wb->task = kthread_run(bdi_writeback_thread, wb, "flush-%s", 387 wb->task = kthread_run(bdi_writeback_thread, wb, "flush-%s",
388 dev_name(bdi->dev)); 388 dev_name(bdi->dev));
389 /* 389 /*
390 * If task creation fails, then readd the bdi to 390 * If thread creation fails, then readd the bdi to
391 * the pending list and force writeout of the bdi 391 * the pending list and force writeout of the bdi
392 * from this forker thread. That will free some memory 392 * from this forker thread. That will free some memory
393 * and we can try again. 393 * and we can try again.
@@ -430,10 +430,10 @@ static void bdi_add_to_pending(struct rcu_head *head)
430} 430}
431 431
432/* 432/*
433 * Add the default flusher task that gets created for any bdi 433 * Add the default flusher thread that gets created for any bdi
434 * that has dirty data pending writeout 434 * that has dirty data pending writeout
435 */ 435 */
436void static bdi_add_default_flusher_task(struct backing_dev_info *bdi) 436static void bdi_add_default_flusher_thread(struct backing_dev_info *bdi)
437{ 437{
438 if (!bdi_cap_writeback_dirty(bdi)) 438 if (!bdi_cap_writeback_dirty(bdi))
439 return; 439 return;
@@ -445,10 +445,10 @@ void static bdi_add_default_flusher_task(struct backing_dev_info *bdi)
445 } 445 }
446 446
447 /* 447 /*
448 * Check with the helper whether to proceed adding a task. Will only 448 * Check with the helper whether to proceed adding a thread. Will only
449 * abort if we two or more simultanous calls to 449 * abort if we two or more simultanous calls to
450 * bdi_add_default_flusher_task() occured, further additions will block 450 * bdi_add_default_flusher_thread() occured, further additions will
451 * waiting for previous additions to finish. 451 * block waiting for previous additions to finish.
452 */ 452 */
453 if (!test_and_set_bit(BDI_pending, &bdi->state)) { 453 if (!test_and_set_bit(BDI_pending, &bdi->state)) {
454 list_del_rcu(&bdi->bdi_list); 454 list_del_rcu(&bdi->bdi_list);
@@ -506,7 +506,7 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
506 if (bdi_cap_flush_forker(bdi)) { 506 if (bdi_cap_flush_forker(bdi)) {
507 struct bdi_writeback *wb = &bdi->wb; 507 struct bdi_writeback *wb = &bdi->wb;
508 508
509 wb->task = kthread_run(bdi_forker_task, wb, "bdi-%s", 509 wb->task = kthread_run(bdi_forker_thread, wb, "bdi-%s",
510 dev_name(dev)); 510 dev_name(dev));
511 if (IS_ERR(wb->task)) { 511 if (IS_ERR(wb->task)) {
512 wb->task = NULL; 512 wb->task = NULL;