fs: dcache fix LRU ordering

[safe/jmp/linux-2.6] / fs / afs / vlocation.c

diff --git a/fs/afs/vlocation.c b/fs/afs/vlocation.c
index 6c8e95a..ec2a743 100644 (file)
--- a/fs/afs/vlocation.c
+++ b/fs/afs/vlocation.c
@@ -12,10 +12,11 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/sched.h>
 #include "internal.h"
 
-unsigned afs_vlocation_timeout = 10;   /* volume location timeout in seconds */
-unsigned afs_vlocation_update_timeout = 10 * 60;
+static unsigned afs_vlocation_timeout = 10;    /* volume location timeout in seconds */
+static unsigned afs_vlocation_update_timeout = 10 * 60;
 
 static void afs_vlocation_reaper(struct work_struct *);
 static void afs_vlocation_updater(struct work_struct *);
@@ -280,9 +281,8 @@ static void afs_vlocation_apply_update(struct afs_vlocation *vl,
 
        vl->vldb = *vldb;
 
-#ifdef AFS_CACHING_SUPPORT
-       /* update volume entry in local cache */
-       cachefs_update_cookie(vl->cache);
+#ifdef CONFIG_AFS_FSCACHE
+       fscache_update_cookie(vl->cache);
 #endif
 }
 
@@ -303,11 +303,9 @@ static int afs_vlocation_fill_in_record(struct afs_vlocation *vl,
        memset(&vldb, 0, sizeof(vldb));
 
        /* see if we have an in-cache copy (will set vl->valid if there is) */
-#ifdef AFS_CACHING_SUPPORT
-       cachefs_acquire_cookie(cell->cache,
-                              &afs_volume_cache_index_def,
-                              vlocation,
-                              &vl->cache);
+#ifdef CONFIG_AFS_FSCACHE
+       vl->cache = fscache_acquire_cookie(vl->cell->cache,
+                                          &afs_vlocation_cache_index_def, vl);
 #endif
 
        if (vl->valid) {
@@ -334,7 +332,7 @@ static int afs_vlocation_fill_in_record(struct afs_vlocation *vl,
 /*
  * queue a vlocation record for updates
  */
-void afs_vlocation_queue_for_updates(struct afs_vlocation *vl)
+static void afs_vlocation_queue_for_updates(struct afs_vlocation *vl)
 {
        struct afs_vlocation *xvl;
 
@@ -381,7 +379,7 @@ struct afs_vlocation *afs_vlocation_lookup(struct afs_cell *cell,
               cell->name, key_serial(key),
               (int) namesz, (int) namesz, name, namesz);
 
-       if (namesz > sizeof(vl->vldb.name)) {
+       if (namesz >= sizeof(vl->vldb.name)) {
                _leave(" = -ENAMETOOLONG");
                return ERR_PTR(-ENAMETOOLONG);
        }
@@ -419,6 +417,11 @@ fill_in_record:
        spin_unlock(&vl->lock);
        wake_up(&vl->waitq);
 
+       /* update volume entry in local cache */
+#ifdef CONFIG_AFS_FSCACHE
+       fscache_update_cookie(vl->cache);
+#endif
+
        /* schedule for regular updates */
        afs_vlocation_queue_for_updates(vl);
        goto success;
@@ -464,7 +467,7 @@ found_in_memory:
        spin_unlock(&vl->lock);
 
 success:
-       _leave(" = %p",vl);
+       _leave(" = %p", vl);
        return vl;
 
 error_abandon:
@@ -522,10 +525,9 @@ static void afs_vlocation_destroy(struct afs_vlocation *vl)
 {
        _enter("%p", vl);
 
-#ifdef AFS_CACHING_SUPPORT
-       cachefs_relinquish_cookie(vl->cache, 0);
+#ifdef CONFIG_AFS_FSCACHE
+       fscache_relinquish_cookie(vl->cache, 0);
 #endif
-
        afs_put_cell(vl->cell);
        kfree(vl);
 }
@@ -602,7 +604,7 @@ int __init afs_vlocation_update_init(void)
 /*
  * discard all the volume location records for rmmod
  */
-void __exit afs_vlocation_purge(void)
+void afs_vlocation_purge(void)
 {
        afs_vlocation_timeout = 0;