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block: make /proc/diskstats only build if CONFIG_PROC_FS is enabled

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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>
This commit is contained in:
Randy Dunlap 2008-05-23 09:44:11 -07:00 committed by Greg Kroah-Hartman
parent a142be856f
commit a6e2ba8877
1 changed files with 2 additions and 0 deletions
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2
block/genhd.c
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@ -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)
{