diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 24 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 36 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vfs.c | 1 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vfs.h | 2 |
4 files changed, 17 insertions, 46 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index e6340906342c..655bf4a78afe 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -54,6 +54,7 @@ #include <linux/percpu.h> #include <linux/blkdev.h> #include <linux/hash.h> +#include <linux/kthread.h> #include "xfs_linux.h" @@ -1742,9 +1743,7 @@ pagebuf_runall_queues( } /* Defines for pagebuf daemon */ -STATIC DECLARE_COMPLETION(xfsbufd_done); STATIC struct task_struct *xfsbufd_task; -STATIC int xfsbufd_active; STATIC int xfsbufd_force_flush; STATIC int xfsbufd_force_sleep; @@ -1770,14 +1769,8 @@ xfsbufd( xfs_buftarg_t *target; xfs_buf_t *pb, *n; - /* Set up the thread */ - daemonize("xfsbufd"); current->flags |= PF_MEMALLOC; - xfsbufd_task = current; - xfsbufd_active = 1; - barrier(); - INIT_LIST_HEAD(&tmp); do { if (unlikely(freezing(current))) { @@ -1825,9 +1818,9 @@ xfsbufd( purge_addresses(); xfsbufd_force_flush = 0; - } while (xfsbufd_active); + } while (!kthread_should_stop()); - complete_and_exit(&xfsbufd_done, 0); + return 0; } /* @@ -1910,9 +1903,11 @@ xfs_buf_daemons_start(void) if (!xfsdatad_workqueue) goto out_destroy_xfslogd_workqueue; - error = kernel_thread(xfsbufd, NULL, CLONE_FS|CLONE_FILES); - if (error < 0) + xfsbufd_task = kthread_run(xfsbufd, NULL, "xfsbufd"); + if (IS_ERR(xfsbufd_task)) { + error = PTR_ERR(xfsbufd_task); goto out_destroy_xfsdatad_workqueue; + } return 0; out_destroy_xfsdatad_workqueue: @@ -1929,10 +1924,7 @@ xfs_buf_daemons_start(void) STATIC void xfs_buf_daemons_stop(void) { - xfsbufd_active = 0; - barrier(); - wait_for_completion(&xfsbufd_done); - + kthread_stop(xfsbufd_task); destroy_workqueue(xfslogd_workqueue); destroy_workqueue(xfsdatad_workqueue); } diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 910e43bfc95b..0da87bfc9999 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -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 diff --git a/fs/xfs/linux-2.6/xfs_vfs.c b/fs/xfs/linux-2.6/xfs_vfs.c index 669c61644959..34cc902ec119 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.c +++ b/fs/xfs/linux-2.6/xfs_vfs.c @@ -251,7 +251,6 @@ vfs_allocate( void ) bhv_head_init(VFS_BHVHEAD(vfsp), "vfs"); INIT_LIST_HEAD(&vfsp->vfs_sync_list); spin_lock_init(&vfsp->vfs_sync_lock); - init_waitqueue_head(&vfsp->vfs_wait_sync_task); init_waitqueue_head(&vfsp->vfs_wait_single_sync_task); return vfsp; } diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index 7ee1f714e9ba..f0ab574fb47a 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -65,7 +65,6 @@ typedef struct vfs { spinlock_t vfs_sync_lock; /* work item list lock */ int vfs_sync_seq; /* sync thread generation no. */ wait_queue_head_t vfs_wait_single_sync_task; - wait_queue_head_t vfs_wait_sync_task; } vfs_t; #define vfs_fbhv vfs_bh.bh_first /* 1st on vfs behavior chain */ @@ -96,7 +95,6 @@ typedef enum { #define VFS_RDONLY 0x0001 /* read-only vfs */ #define VFS_GRPID 0x0002 /* group-ID assigned from directory */ #define VFS_DMI 0x0004 /* filesystem has the DMI enabled */ -#define VFS_UMOUNT 0x0008 /* unmount in progress */ #define VFS_END 0x0008 /* max flag */ #define SYNC_ATTR 0x0001 /* sync attributes */ |