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[XFS] Switch kernel thread handling to the kthread_ API

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SGI-PV: 942063
SGI-Modid: xfs-linux:xfs-kern:198388a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig
2005-09-05 08:34:18 +10:00
committed by Nathan Scott
parent 2f92658751
commit 4df08c5258
4 changed files with 17 additions and 46 deletions
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36
fs/xfs/linux-2.6/xfs_super.c
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@@ -72,6 +72,7 @@
#include <linux/mount.h>
#include <linux/mempool.h>
#include <linux/writeback.h>
#include <linux/kthread.h>
STATIC struct quotactl_ops linvfs_qops;
STATIC struct super_operations linvfs_sops;
@@ -516,25 +517,16 @@ xfssyncd(
{
long timeleft;
vfs_t *vfsp = (vfs_t *) arg;
struct list_head tmp;
struct vfs_sync_work *work, *n;
LIST_HEAD (tmp);
daemonize("xfssyncd");
vfsp->vfs_sync_work.w_vfs = vfsp;
vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
vfsp->vfs_sync_task = current;
wmb();
wake_up(&vfsp->vfs_wait_sync_task);
INIT_LIST_HEAD(&tmp);
timeleft = (xfs_syncd_centisecs * HZ) / 100;
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
timeleft = schedule_timeout(timeleft);
/* swsusp */
try_to_freeze();
if (vfsp->vfs_flag & VFS_UMOUNT)
if (kthread_should_stop())
break;
spin_lock(&vfsp->vfs_sync_lock);
@@ -563,10 +555,6 @@ xfssyncd(
}
}
vfsp->vfs_sync_task = NULL;
wmb();
wake_up(&vfsp->vfs_wait_sync_task);
return 0;
}
@@ -574,13 +562,11 @@ STATIC int
linvfs_start_syncd(
vfs_t *vfsp)
{
int pid;
pid = kernel_thread(xfssyncd, (void *) vfsp,
CLONE_VM | CLONE_FS | CLONE_FILES);
if (pid < 0)
return -pid;
wait_event(vfsp->vfs_wait_sync_task, vfsp->vfs_sync_task);
vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
vfsp->vfs_sync_work.w_vfs = vfsp;
vfsp->vfs_sync_task = kthread_run(xfssyncd, vfsp, "xfssyncd");
if (IS_ERR(vfsp->vfs_sync_task))
return -PTR_ERR(vfsp->vfs_sync_task);
return 0;
}
@@ -588,11 +574,7 @@ STATIC void
linvfs_stop_syncd(
vfs_t *vfsp)
{
vfsp->vfs_flag |= VFS_UMOUNT;
wmb();
wake_up_process(vfsp->vfs_sync_task);
wait_event(vfsp->vfs_wait_sync_task, !vfsp->vfs_sync_task);
kthread_stop(vfsp->vfs_sync_task);
}
STATIC void