sunrpc/nfsd: Remove redundant code by exports seq_operations functions
Nfsd has implement a site of seq_operations functions as sunrpc's cache.
Just exports sunrpc's codes, and remove nfsd's redundant codes.
v8, same as v6
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index edec603..673c2fa 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1270,7 +1270,7 @@
* get a header, then pass each real item in the cache
*/
-static void *c_start(struct seq_file *m, loff_t *pos)
+void *cache_seq_start(struct seq_file *m, loff_t *pos)
__acquires(cd->hash_lock)
{
loff_t n = *pos;
@@ -1298,8 +1298,9 @@
*pos = n+1;
return cd->hash_table[hash];
}
+EXPORT_SYMBOL_GPL(cache_seq_start);
-static void *c_next(struct seq_file *m, void *p, loff_t *pos)
+void *cache_seq_next(struct seq_file *m, void *p, loff_t *pos)
{
struct cache_head *ch = p;
int hash = (*pos >> 32);
@@ -1325,13 +1326,15 @@
++*pos;
return cd->hash_table[hash];
}
+EXPORT_SYMBOL_GPL(cache_seq_next);
-static void c_stop(struct seq_file *m, void *p)
+void cache_seq_stop(struct seq_file *m, void *p)
__releases(cd->hash_lock)
{
struct cache_detail *cd = m->private;
read_unlock(&cd->hash_lock);
}
+EXPORT_SYMBOL_GPL(cache_seq_stop);
static int c_show(struct seq_file *m, void *p)
{
@@ -1359,9 +1362,9 @@
}
static const struct seq_operations cache_content_op = {
- .start = c_start,
- .next = c_next,
- .stop = c_stop,
+ .start = cache_seq_start,
+ .next = cache_seq_next,
+ .stop = cache_seq_stop,
.show = c_show,
};