summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_mount.h
diff options
context:
space:
mode:
authorDavid Chinner <dgc@sgi.com>2006-03-14 13:23:52 +1100
committerNathan Scott <nathans@sgi.com>2006-03-14 13:23:52 +1100
commite8234a6871aa0de1ed0aeeecb5230ecf3ab414e2 (patch)
treeb88093459262dcae16a237faf45200052629d19b /fs/xfs/xfs_mount.h
parent2d0f864be3266eb0a8b4b48f36e2f777eace00b3 (diff)
[XFS] Add support for hotplug CPUs to the per-CPU superblock counters by
registering a notifier callback that listens to CPU up/down events to modify the counters appropriately. SGI-PV: 949726 SGI-Modid: xfs-linux-melb:xfs-kern:25214a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
-rw-r--r--fs/xfs/xfs_mount.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 7cca5110ca4..9d2ffbdc37a 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -401,6 +401,7 @@ typedef struct xfs_mount {
#ifdef HAVE_PERCPU_SB
xfs_icsb_cnts_t *m_sb_cnts; /* per-cpu superblock counters */
unsigned long m_icsb_counters; /* disabled per-cpu counters */
+ struct notifier_block m_icsb_notifier; /* hotplug cpu notifier */
#endif
} xfs_mount_t;