linux-kernel - [PATCH 3/3] FS-Cache: Provide nop fscache_stat_d() if CONFIG_FSCACHE

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Message-ID: <20091120215452.15448.14310.stgit@warthog.procyon.org.uk>
Date:	Fri, 20 Nov 2009 21:54:52 +0000
From:	David Howells <dhowells@...hat.com>
To:	wilhelm.meier@...kl.de, linux-cachefs@...hat.com,
	nfsv4@...ux-nfs.org, linux-kernel@...r.kernel.org
Cc:	dhowells@...hat.com, steved@...hat.com
Subject: [PATCH 3/3] FS-Cache: Provide nop fscache_stat_d() if
	CONFIG_FSCACHE_STATS=n

Provide nop fscache_stat_d() macro if CONFIG_FSCACHE_STATS=n lest errors like
the following occur:

	fs/fscache/cache.c: In function 'fscache_withdraw_cache':
	fs/fscache/cache.c:386: error: implicit declaration of function 'fscache_stat_d'
	fs/fscache/cache.c:386: error: 'fscache_n_cop_sync_cache' undeclared (first use in this function)
	fs/fscache/cache.c:386: error: (Each undeclared identifier is reported only once
	fs/fscache/cache.c:386: error: for each function it appears in.)
	fs/fscache/cache.c:392: error: 'fscache_n_cop_dissociate_pages' undeclared (first use in this function)

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/fscache/internal.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 0ca2566..edd7434 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -259,6 +259,7 @@ extern const struct file_operations fscache_stats_fops;
 
 #define __fscache_stat(stat) (NULL)
 #define fscache_stat(stat) do {} while (0)
+#define fscache_stat_d(stat) do {} while (0)
 #endif
 
 /*

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