diff options
| author | Chandra Seetharaman <sekharan@us.ibm.com> | 2006-06-27 02:54:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-27 17:32:41 -0700 |
| commit | 5a67e4c5b6faaccf31740a07d93704166405d880 (patch) | |
| tree | a302ac0dae12f3e430ff485242bc0a85ddfbc00d /fs | |
| parent | 39f4885c56073ecafd482d7e10dd7b17900fa312 (diff) | |
[PATCH] cpu hotplug: use hotplug version of cpu notifier in appropriate places
Make use the of newly defined hotplug version of cpu_notifier functionality
wherever appropriate.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 10dbf203c62..ed7579beb6b 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1721,15 +1721,14 @@ xfs_mount_log_sbunit( * is present to prevent thrashing). */ +#ifdef CONFIG_HOTPLUG_CPU /* * hot-plug CPU notifier support. * - * We cannot use the hotcpu_register() function because it does - * not allow notifier instances. We need a notifier per filesystem - * as we need to be able to identify the filesystem to balance - * the counters out. This is achieved by having a notifier block - * embedded in the xfs_mount_t and doing pointer magic to get the - * mount pointer from the notifier block address. + * We need a notifier per filesystem as we need to be able to identify + * the filesystem to balance the counters out. This is achieved by + * having a notifier block embedded in the xfs_mount_t and doing pointer + * magic to get the mount pointer from the notifier block address. */ STATIC int xfs_icsb_cpu_notify( @@ -1779,6 +1778,7 @@ xfs_icsb_cpu_notify( return NOTIFY_OK; } +#endif /* CONFIG_HOTPLUG_CPU */ int xfs_icsb_init_counters( @@ -1791,9 +1791,11 @@ xfs_icsb_init_counters( if (mp->m_sb_cnts == NULL) return -ENOMEM; +#ifdef CONFIG_HOTPLUG_CPU mp->m_icsb_notifier.notifier_call = xfs_icsb_cpu_notify; mp->m_icsb_notifier.priority = 0; - register_cpu_notifier(&mp->m_icsb_notifier); + register_hotcpu_notifier(&mp->m_icsb_notifier); +#endif /* CONFIG_HOTPLUG_CPU */ for_each_online_cpu(i) { cntp = (xfs_icsb_cnts_t *)per_cpu_ptr(mp->m_sb_cnts, i); @@ -1812,7 +1814,7 @@ xfs_icsb_destroy_counters( xfs_mount_t *mp) { if (mp->m_sb_cnts) { - unregister_cpu_notifier(&mp->m_icsb_notifier); + unregister_hotcpu_notifier(&mp->m_icsb_notifier); free_percpu(mp->m_sb_cnts); } } |