[XFS] Use generic shrinker interfaces in XFS.

SGI-PV: 964986
SGI-Modid: xfs-linux-melb:xfs-kern:28642a

Signed-Off-By: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

3 files changed, 6 insertions, 25 deletions

diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index 9ebabdf7829c..4b6470cf87f0 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -100,25 +100,6 @@ kmem_zone_destroy(kmem_zone_t *zone)
 extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);
 extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
 
-/*
- * Low memory cache shrinkers
- */
-
-typedef struct shrinker *kmem_shaker_t;
-typedef int (*kmem_shake_func_t)(int, gfp_t);
-
-static inline kmem_shaker_t
-kmem_shake_register(kmem_shake_func_t sfunc)
-{
-        return set_shrinker(DEFAULT_SEEKS, sfunc);
-}
-
-static inline void
-kmem_shake_deregister(kmem_shaker_t shrinker)
-{
-        remove_shrinker(shrinker);
-}
-
 static inline int
 kmem_shake_allow(gfp_t gfp_mask)
 {
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 192aa0650919..a3eff54a201c 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -35,7 +35,7 @@
 #include <linux/freezer.h>
 
 static kmem_zone_t *xfs_buf_zone;
-static kmem_shaker_t xfs_buf_shake;
+static struct shrinker *xfs_buf_shake;
 STATIC int xfsbufd(void *);
 STATIC int xfsbufd_wakeup(int, gfp_t);
 STATIC void xfs_buf_delwri_queue(xfs_buf_t *, int);
@@ -1831,7 +1831,7 @@ xfs_buf_init(void)
         if (!xfsdatad_workqueue)
                 goto out_destroy_xfslogd_workqueue;
 
-        xfs_buf_shake = kmem_shake_register(xfsbufd_wakeup);
+        xfs_buf_shake = set_shrinker(DEFAULT_SEEKS, xfsbufd_wakeup);
         if (!xfs_buf_shake)
                 goto out_destroy_xfsdatad_workqueue;
 
@@ -1853,7 +1853,7 @@ xfs_buf_init(void)
 void
 xfs_buf_terminate(void)
 {
-        kmem_shake_deregister(xfs_buf_shake);
+        remove_shrinker(xfs_buf_shake);
         destroy_workqueue(xfsdatad_workqueue);
         destroy_workqueue(xfslogd_workqueue);
         kmem_zone_destroy(xfs_buf_zone);
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 3e4a8ad8a34c..eeb3d9cc0e8e 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -62,7 +62,7 @@ uint		ndquot;
 
 kmem_zone_t     *qm_dqzone;
 kmem_zone_t     *qm_dqtrxzone;
-static kmem_shaker_t    xfs_qm_shaker;
+static struct shrinker *xfs_qm_shaker;
 
 static cred_t   xfs_zerocr;
 static xfs_inode_t      xfs_zeroino;
@@ -150,7 +150,7 @@ xfs_Gqm_init(void)
         } else
                 xqm->qm_dqzone = qm_dqzone;
 
-        xfs_qm_shaker = kmem_shake_register(xfs_qm_shake);
+        xfs_qm_shaker = set_shrinker(DEFAULT_SEEKS, xfs_qm_shake);
 
         /*
          * The t_dqinfo portion of transactions.
@@ -182,7 +182,7 @@ xfs_qm_destroy(
 
         ASSERT(xqm != NULL);
         ASSERT(xqm->qm_nrefs == 0);
-        kmem_shake_deregister(xfs_qm_shaker);
+        remove_shrinker(xfs_qm_shaker);
         hsize = xqm->qm_dqhashmask + 1;
         for (i = 0; i < hsize; i++) {
                 xfs_qm_list_destroy(&(xqm->qm_usr_dqhtable[i]));