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authorLen Brown <len.brown@intel.com>2006-06-30 03:57:46 +0400
committerLen Brown <len.brown@intel.com>2006-06-30 03:57:46 +0400
commitd120cfb544ed6161b9d32fb6c4648c471807ee6b (patch)
tree7757ad0198d8df76ff5c60f939a687687c41da00 /fs/xfs/xfs_mount.c
parent9dce0e950dbfab4148f35ac6f297d8638cdc63c4 (diff)
parentbf7e8511088963078484132636839b59e25cf14f (diff)
downloadlinux-d120cfb544ed6161b9d32fb6c4648c471807ee6b.tar.xz
merge linus into release branch
Conflicts: drivers/acpi/acpi_memhotplug.c
Diffstat (limited to 'fs/xfs/xfs_mount.c')
-rw-r--r--fs/xfs/xfs_mount.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 10dbf203c62f..4be5c0b2d296 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);
}
}
@@ -2026,7 +2028,7 @@ xfs_icsb_balance_counter(
xfs_sb_field_t field,
int flags)
{
- uint64_t count, resid = 0;
+ uint64_t count, resid;
int weight = num_online_cpus();
int s;
@@ -2058,6 +2060,7 @@ xfs_icsb_balance_counter(
break;
default:
BUG();
+ count = resid = 0; /* quiet, gcc */
break;
}