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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 <>

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)


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