vmscan: change shrinker API by passing shrink_control struct
[pandora-kernel.git] / fs / gfs2 / quota.c
index e23d986..42e8d23 100644 (file)
@@ -38,6 +38,7 @@
 
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/mm.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
 #include <linux/buffer_head.h>
@@ -77,19 +78,20 @@ static LIST_HEAD(qd_lru_list);
 static atomic_t qd_lru_count = ATOMIC_INIT(0);
 static DEFINE_SPINLOCK(qd_lru_lock);
 
-int gfs2_shrink_qd_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask)
+int gfs2_shrink_qd_memory(struct shrinker *shrink, struct shrink_control *sc)
 {
        struct gfs2_quota_data *qd;
        struct gfs2_sbd *sdp;
+       int nr_to_scan = sc->nr_to_scan;
 
-       if (nr == 0)
+       if (nr_to_scan == 0)
                goto out;
 
-       if (!(gfp_mask & __GFP_FS))
+       if (!(sc->gfp_mask & __GFP_FS))
                return -1;
 
        spin_lock(&qd_lru_lock);
-       while (nr && !list_empty(&qd_lru_list)) {
+       while (nr_to_scan && !list_empty(&qd_lru_list)) {
                qd = list_entry(qd_lru_list.next,
                                struct gfs2_quota_data, qd_reclaim);
                sdp = qd->qd_gl->gl_sbd;
@@ -110,7 +112,7 @@ int gfs2_shrink_qd_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask)
                spin_unlock(&qd_lru_lock);
                kmem_cache_free(gfs2_quotad_cachep, qd);
                spin_lock(&qd_lru_lock);
-               nr--;
+               nr_to_scan--;
        }
        spin_unlock(&qd_lru_lock);