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Subject[PATCH 36/79] block: make /proc/diskstats only build if CONFIG_PROC_FS is enabled
Date
From: Randy Dunlap <randy.dunlap@oracle.com>

These functions are only needed if CONFIG_PROC_FS is enabled, so save
the space when it is not.

This also makes it easier for a patch later in this series to work
properly if CONFIG_PROC_FS is not enabled.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
block/genhd.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index e8c42bf..68a5f28 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -544,6 +544,7 @@ static struct device_type disk_type = {
.release = disk_release,
};

+#ifdef CONFIG_PROC_FS
/*
* aggregate disk stat collector. Uses the same stats that the sysfs
* entries do, above, but makes them available through one seq_file.
@@ -653,6 +654,7 @@ const struct seq_operations diskstats_op = {
.stop = diskstats_stop,
.show = diskstats_show
};
+#endif /* CONFIG_PROC_FS */

static void media_change_notify_thread(struct work_struct *work)
{
--
1.5.6.3


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