From: Behan Webster <beh...@converseincode.com>

Replace the use of nested functions where a normal function will
suffice.

Nested functions are not liked by upstream kernel developers in
general. Their use breaks the use of clang as a compiler, and
doesn't make the code any better.

This code now works for both gcc and clang.

From: Behan Webster <beh...@converseincode.com>
Signed-off-by: Behan Webster <beh...@converseincode.com>
Reviewed-by: Mark Charlebois <charl...@gmail.com>
Suggested-by: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Matthias Kaehlcke <m...@chromium.org>
---
 drivers/md/bcache/sysfs.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 104c57cd666c..440c3906f852 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -745,6 +745,11 @@ static struct attribute *bch_cache_set_internal_files[] = {
 };
 KTYPE(bch_cache_set_internal);
 
+static int __bch_cache_cmp(const void *l, const void *r)
+{
+       return *((uint16_t *) r) - *((uint16_t *) l);
+}
+
 SHOW(__bch_cache)
 {
        struct cache *ca = container_of(kobj, struct cache, kobj);
@@ -769,9 +774,6 @@ SHOW(__bch_cache)
                                               CACHE_REPLACEMENT(&ca->sb));
 
        if (attr == &sysfs_priority_stats) {
-               int cmp(const void *l, const void *r)
-               {       return *((uint16_t *) r) - *((uint16_t *) l); }
-
                struct bucket *b;
                size_t n = ca->sb.nbuckets, i;
                size_t unused = 0, available = 0, dirty = 0, meta = 0;
@@ -800,7 +802,7 @@ SHOW(__bch_cache)
                        p[i] = ca->buckets[i].prio;
                mutex_unlock(&ca->set->bucket_lock);
 
-               sort(p, n, sizeof(uint16_t), cmp, NULL);
+               sort(p, n, sizeof(uint16_t), __bch_cache_cmp, NULL);
 
                while (n &&
                       !cached[n - 1])
-- 
2.14.2.920.gcf0c67979c-goog

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