shrinker: convert superblock shrinkers to new API

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / inode.c

diff --git a/fs/inode.c b/fs/inode.c
index 2a3c37e..021d647 100644 (file)
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -706,10 +706,11 @@ static int can_unuse(struct inode *inode)
  * LRU does not have strict ordering. Hence we don't want to reclaim inodes
  * with this flag set because they are the inodes that are out of order.
  */
-void prune_icache_sb(struct super_block *sb, int nr_to_scan)
+long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan)
 {
        LIST_HEAD(freeable);
-       int nr_scanned;
+       long nr_scanned;
+       long freed = 0;
        unsigned long reap = 0;
 
        spin_lock(&sb->s_inode_lru_lock);
@@ -779,6 +780,7 @@ void prune_icache_sb(struct super_block *sb, int nr_to_scan)
                list_move(&inode->i_lru, &freeable);
                sb->s_nr_inodes_unused--;
                this_cpu_dec(nr_unused);
+               freed++;
        }
        if (current_is_kswapd())
                __count_vm_events(KSWAPD_INODESTEAL, reap);
@@ -789,6 +791,7 @@ void prune_icache_sb(struct super_block *sb, int nr_to_scan)
                current->reclaim_state->reclaimed_slab += reap;
 
        dispose_list(&freeable);
+       return freed;
 }
 
 static void __wait_on_freeing_inode(struct inode *inode);