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kernel: remove PF_FLUSHER

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PF_FLUSHER is only ever set, not tested, remove it.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Peter Zijlstra 2010-10-26 14:22:45 -07:00 committed by Linus Torvalds
parent 4ce6494dbd
commit 766f916419
3 changed files with 2 additions and 3 deletions
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2
fs/fs-writeback.c
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@ -794,7 +794,7 @@ int bdi_writeback_thread(void *data)
struct backing_dev_info *bdi = wb->bdi;
long pages_written;
current->flags |= PF_FLUSHER | PF_SWAPWRITE;
current->flags |= PF_SWAPWRITE;
set_freezable();
wb->last_active = jiffies;

1
include/linux/sched.h
View file

@ -1706,7 +1706,6 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
#define PF_DUMPCORE 0x00000200 /* dumped core */
#define PF_SIGNALED 0x00000400 /* killed by a signal */
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
#define PF_FLUSHER 0x00001000 /* responsible for disk writeback */
#define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */
#define PF_FREEZING 0x00004000 /* freeze in progress. do not account to load */
#define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */

2
mm/backing-dev.c
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@ -362,7 +362,7 @@ static int bdi_forker_thread(void *ptr)
{
struct bdi_writeback *me = ptr;
current->flags |= PF_FLUSHER | PF_SWAPWRITE;
current->flags |= PF_SWAPWRITE;
set_freezable();
/*