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authorChristoph Hellwig <hch@lst.de>2006-02-15 21:49:04 +0300
committerDave Kleikamp <shaggy@austin.ibm.com>2006-02-15 21:49:04 +0300
commit91dbb4deb30e817efc8d6bed89b1190a489ca776 (patch)
treed3742a35be49da1ab785ac398459d7a71a64a765 /fs/jfs/jfs_logmgr.c
parent4837c672fd4d43c519d6b53308ee68d45b91b872 (diff)
downloadlinux-91dbb4deb30e817efc8d6bed89b1190a489ca776.tar.xz
JFS: Use the kthread_ API
Use the kthread_ API instead of opencoding lots of hairy code for kernel thread creation and teardown. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'fs/jfs/jfs_logmgr.c')
-rw-r--r--fs/jfs/jfs_logmgr.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 06bded6c12b9..3113ff53bd55 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -64,6 +64,7 @@
#include <linux/interrupt.h>
#include <linux/smp_lock.h>
#include <linux/completion.h>
+#include <linux/kthread.h>
#include <linux/buffer_head.h> /* for sync_blockdev() */
#include <linux/bio.h>
#include <linux/suspend.h>
@@ -81,7 +82,6 @@
*/
static struct lbuf *log_redrive_list;
static DEFINE_SPINLOCK(log_redrive_lock);
-DECLARE_WAIT_QUEUE_HEAD(jfs_IO_thread_wait);
/*
@@ -1980,7 +1980,7 @@ static inline void lbmRedrive(struct lbuf *bp)
log_redrive_list = bp;
spin_unlock_irqrestore(&log_redrive_lock, flags);
- wake_up(&jfs_IO_thread_wait);
+ wake_up_process(jfsIOthread);
}
@@ -2347,13 +2347,7 @@ int jfsIOWait(void *arg)
{
struct lbuf *bp;
- daemonize("jfsIO");
-
- complete(&jfsIOwait);
-
do {
- DECLARE_WAITQUEUE(wq, current);
-
spin_lock_irq(&log_redrive_lock);
while ((bp = log_redrive_list) != 0) {
log_redrive_list = bp->l_redrive_next;
@@ -2362,21 +2356,19 @@ int jfsIOWait(void *arg)
lbmStartIO(bp);
spin_lock_irq(&log_redrive_lock);
}
+ spin_unlock_irq(&log_redrive_lock);
+
if (freezing(current)) {
- spin_unlock_irq(&log_redrive_lock);
refrigerator();
} else {
- add_wait_queue(&jfs_IO_thread_wait, &wq);
set_current_state(TASK_INTERRUPTIBLE);
- spin_unlock_irq(&log_redrive_lock);
schedule();
current->state = TASK_RUNNING;
- remove_wait_queue(&jfs_IO_thread_wait, &wq);
}
- } while (!jfs_stop_threads);
+ } while (!kthread_should_stop());
jfs_info("jfsIOWait being killed!");
- complete_and_exit(&jfsIOwait, 0);
+ return 0;
}
/*