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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_txnmgr.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_txnmgr.c')
-rw-r--r--fs/jfs/jfs_txnmgr.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index d38f605d9481..ac3d66948e8c 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -49,6 +49,7 @@
#include <linux/suspend.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/kthread.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
#include "jfs_filsys.h"
@@ -121,8 +122,7 @@ static DEFINE_SPINLOCK(jfsTxnLock);
#define LAZY_LOCK(flags) spin_lock_irqsave(&TxAnchor.LazyLock, flags)
#define LAZY_UNLOCK(flags) spin_unlock_irqrestore(&TxAnchor.LazyLock, flags)
-DECLARE_WAIT_QUEUE_HEAD(jfs_sync_thread_wait);
-DECLARE_WAIT_QUEUE_HEAD(jfs_commit_thread_wait);
+static DECLARE_WAIT_QUEUE_HEAD(jfs_commit_thread_wait);
static int jfs_commit_thread_waking;
/*
@@ -207,7 +207,7 @@ static lid_t txLockAlloc(void)
if ((++TxAnchor.tlocksInUse > TxLockHWM) && (jfs_tlocks_low == 0)) {
jfs_info("txLockAlloc tlocks low");
jfs_tlocks_low = 1;
- wake_up(&jfs_sync_thread_wait);
+ wake_up_process(jfsSyncThread);
}
return lid;
@@ -2743,10 +2743,6 @@ int jfs_lazycommit(void *arg)
unsigned long flags;
struct jfs_sb_info *sbi;
- daemonize("jfsCommit");
-
- complete(&jfsIOwait);
-
do {
LAZY_LOCK(flags);
jfs_commit_thread_waking = 0; /* OK to wake another thread */
@@ -2806,13 +2802,13 @@ int jfs_lazycommit(void *arg)
current->state = TASK_RUNNING;
remove_wait_queue(&jfs_commit_thread_wait, &wq);
}
- } while (!jfs_stop_threads);
+ } while (!kthread_should_stop());
if (!list_empty(&TxAnchor.unlock_queue))
jfs_err("jfs_lazycommit being killed w/pending transactions!");
else
jfs_info("jfs_lazycommit being killed\n");
- complete_and_exit(&jfsIOwait, 0);
+ return 0;
}
void txLazyUnlock(struct tblock * tblk)
@@ -2932,10 +2928,6 @@ int jfs_sync(void *arg)
int rc;
tid_t tid;
- daemonize("jfsSync");
-
- complete(&jfsIOwait);
-
do {
/*
* write each inode on the anonymous inode list
@@ -2996,19 +2988,15 @@ int jfs_sync(void *arg)
TXN_UNLOCK();
refrigerator();
} else {
- DECLARE_WAITQUEUE(wq, current);
-
- add_wait_queue(&jfs_sync_thread_wait, &wq);
set_current_state(TASK_INTERRUPTIBLE);
TXN_UNLOCK();
schedule();
current->state = TASK_RUNNING;
- remove_wait_queue(&jfs_sync_thread_wait, &wq);
}
- } while (!jfs_stop_threads);
+ } while (!kthread_should_stop());
jfs_info("jfs_sync being killed");
- complete_and_exit(&jfsIOwait, 0);
+ return 0;
}
#if defined(CONFIG_PROC_FS) && defined(CONFIG_JFS_DEBUG)