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[XFS] Resolve an issue with xfsbufd not getting along with swsusp. 

SGI Modid: xfs-linux:xfs-kern:22342a

Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Christoph Hellwig <hch@sgi.com>
wifi-calibration
Nathan Scott 2005-05-05 13:30:13 -07:00 committed by Christoph Hellwig
parent 764433b7f1
commit abd0cf7aea
1 changed files with 9 additions and 2 deletions
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11
fs/xfs/linux-2.6/xfs_buf.c
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@ -1746,13 +1746,15 @@ STATIC DECLARE_COMPLETION(pagebuf_daemon_done);
STATIC struct task_struct *pagebuf_daemon_task; STATIC struct task_struct *pagebuf_daemon_task;
STATIC int pagebuf_daemon_active; STATIC int pagebuf_daemon_active;
STATIC int force_flush; STATIC int force_flush;
STATIC int force_sleep;
STATIC int STATIC int
pagebuf_daemon_wakeup( pagebuf_daemon_wakeup(
int priority, int priority,
unsigned int mask) unsigned int mask)
{ {
if (force_sleep)
return 0;
force_flush = 1; force_flush = 1;
barrier(); barrier();
wake_up_process(pagebuf_daemon_task); wake_up_process(pagebuf_daemon_task);
@ -1778,7 +1780,12 @@ pagebuf_daemon(
INIT_LIST_HEAD(&tmp); INIT_LIST_HEAD(&tmp);
do { do {
try_to_freeze(PF_FREEZE); if (unlikely(current->flags & PF_FREEZE)) {
force_sleep = 1;
refrigerator(PF_FREEZE);
} else {
force_sleep = 0;
}
set_current_state(TASK_INTERRUPTIBLE); set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout((xfs_buf_timer_centisecs * HZ) / 100); schedule_timeout((xfs_buf_timer_centisecs * HZ) / 100);