X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fafs%2Fvolume.c;fp=fs%2Fafs%2Fvolume.c;h=0bd557825a32350a0ae28fe7c9f31a59db255f76;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=0ff4b86476e39288313fe3f92bd7ed1aaaedd3d3;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index 0ff4b8647..0bd557825 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -15,10 +15,10 @@
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/pagemap.h>
+#include <linux/fscache.h>
 #include "volume.h"
 #include "vnode.h"
 #include "cell.h"
-#include "cache.h"
 #include "cmservice.h"
 #include "fsclient.h"
 #include "vlclient.h"
@@ -28,18 +28,14 @@
 static const char *afs_voltypes[] = { "R/W", "R/O", "BAK" };
 #endif
 
-#ifdef AFS_CACHING_SUPPORT
-static cachefs_match_val_t afs_volume_cache_match(void *target,
-						  const void *entry);
-static void afs_volume_cache_update(void *source, void *entry);
-
-struct cachefs_index_def afs_volume_cache_index_def = {
-	.name		= "volume",
-	.data_size	= sizeof(struct afs_cache_vhash),
-	.keys[0]	= { CACHEFS_INDEX_KEYS_BIN, 1 },
-	.keys[1]	= { CACHEFS_INDEX_KEYS_BIN, 1 },
-	.match		= afs_volume_cache_match,
-	.update		= afs_volume_cache_update,
+#ifdef CONFIG_AFS_FSCACHE
+static uint16_t afs_volume_cache_get_key(const void *cookie_netfs_data,
+					 void *buffer, uint16_t buflen);
+
+static struct fscache_cookie_def afs_volume_cache_index_def = {
+	.name		= "AFS.volume",
+	.type		= FSCACHE_COOKIE_TYPE_INDEX,
+	.get_key	= afs_volume_cache_get_key,
 };
 #endif
 
@@ -214,11 +210,10 @@ int afs_volume_lookup(const char *name, struct afs_cell *cell, int rwpath,
 	}
 
 	/* attach the cache and volume location */
-#ifdef AFS_CACHING_SUPPORT
-	cachefs_acquire_cookie(vlocation->cache,
-			       &afs_vnode_cache_index_def,
-			       volume,
-			       &volume->cache);
+#ifdef CONFIG_AFS_FSCACHE
+	volume->cache = fscache_acquire_cookie(vlocation->cache,
+					       &afs_volume_cache_index_def,
+					       volume);
 #endif
 
 	afs_get_vlocation(vlocation);
@@ -286,8 +281,8 @@ void afs_put_volume(struct afs_volume *volume)
 	up_write(&vlocation->cell->vl_sem);
 
 	/* finish cleaning up the volume */
-#ifdef AFS_CACHING_SUPPORT
-	cachefs_relinquish_cookie(volume->cache, 0);
+#ifdef CONFIG_AFS_FSCACHE
+	fscache_relinquish_cookie(volume->cache, 0);
 #endif
 	afs_put_vlocation(vlocation);
 
@@ -481,40 +476,25 @@ int afs_volume_release_fileserver(struct afs_volume *volume,
 
 /*****************************************************************************/
 /*
- * match a volume hash record stored in the cache
+ * set the key for the index entry
  */
-#ifdef AFS_CACHING_SUPPORT
-static cachefs_match_val_t afs_volume_cache_match(void *target,
-						  const void *entry)
+#ifdef CONFIG_AFS_FSCACHE
+static uint16_t afs_volume_cache_get_key(const void *cookie_netfs_data,
+					void *buffer, uint16_t bufmax)
 {
-	const struct afs_cache_vhash *vhash = entry;
-	struct afs_volume *volume = target;
-
-	_enter("{%u},{%u}", volume->type, vhash->vtype);
+	const struct afs_volume *volume = cookie_netfs_data;
+	uint16_t klen;
 
-	if (volume->type == vhash->vtype) {
-		_leave(" = SUCCESS");
-		return CACHEFS_MATCH_SUCCESS;
-	}
-
-	_leave(" = FAILED");
-	return CACHEFS_MATCH_FAILED;
-} /* end afs_volume_cache_match() */
-#endif
+	_enter("{%u},%p,%u", volume->type, buffer, bufmax);
 
-/*****************************************************************************/
-/*
- * update a volume hash record stored in the cache
- */
-#ifdef AFS_CACHING_SUPPORT
-static void afs_volume_cache_update(void *source, void *entry)
-{
-	struct afs_cache_vhash *vhash = entry;
-	struct afs_volume *volume = source;
+	klen = sizeof(volume->type);
+	if (klen > bufmax)
+		return 0;
 
-	_enter("");
+	memcpy(buffer, &volume->type, sizeof(volume->type));
 
-	vhash->vtype = volume->type;
+	_leave(" = %u", klen);
+	return klen;
 
-} /* end afs_volume_cache_update() */
+} /* end afs_volume_cache_get_key() */
 #endif