Changeset f3d4cd35 in mainline for uspace/srv/fs/exfat/exfat_fat.h

Timestamp:

2011-08-14T07:06:33Z (13 years ago)

Author:

Oleg Romanenko <romanenko.oleg@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

998a78f

Parents:

7f0c08c

Message:

exFAT: functions for managing clusters chain and skeleton for
bitmap operations

File:

• uspace/srv/fs/exfat/exfat_fat.h (modified) (2 diffs)

uspace/srv/fs/exfat/exfat_fat.h

@@ -59 +59 @@
 
 
-#define fat_clusters_get(numc, bs, dh, fc) \
-    fat_cluster_walk((bs), (dh), (fc), NULL, (numc), (uint32_t) -1)
-extern int fat_cluster_walk(struct exfat_bs *bs, devmap_handle_t devmap_handle, 
+#define exfat_clusters_get(numc, bs, dh, fc) \
+    exfat_cluster_walk((bs), (dh), (fc), NULL, (numc), (uint32_t) -1)
+extern int exfat_cluster_walk(struct exfat_bs *bs, devmap_handle_t devmap_handle, 
     exfat_cluster_t firstc, exfat_cluster_t *lastc, uint32_t *numc,
     uint32_t max_clusters);
@@ -70 +70 @@
     exfat_cluster_t *clp, aoff64_t bn, int flags);
 
-extern int fat_get_cluster(struct exfat_bs *bs, devmap_handle_t devmap_handle,
+extern int exfat_get_cluster(struct exfat_bs *bs, devmap_handle_t devmap_handle,
     exfat_cluster_t clst, exfat_cluster_t *value);
-extern int fat_set_cluster(struct exfat_bs *bs, devmap_handle_t devmap_handle,
+extern int exfat_set_cluster(struct exfat_bs *bs, devmap_handle_t devmap_handle,
     exfat_cluster_t clst, exfat_cluster_t value);
 extern int exfat_sanity_check(struct exfat_bs *, devmap_handle_t);
 
+extern int bitmap_alloc_clusters(struct exfat_bs *bs, devmap_handle_t devmap_handle, 
+    exfat_cluster_t *firstc, exfat_cluster_t count);
+extern int bitmap_append_clusters(struct exfat_bs *bs, struct exfat_node *nodep, 
+    exfat_cluster_t count);
+extern int bitmap_free_clusters(struct exfat_bs *bs, struct exfat_node *nodep, 
+    exfat_cluster_t count);
+extern int bitmap_replicate_clusters(struct exfat_bs *bs, struct exfat_node *nodep); 
+
+extern int exfat_append_clusters(struct exfat_bs *, struct exfat_node *,
+    exfat_cluster_t, exfat_cluster_t);
+extern int exfat_chop_clusters(struct exfat_bs *, struct exfat_node *,
+    exfat_cluster_t);
+extern int exfat_alloc_clusters(struct exfat_bs *, devmap_handle_t, unsigned,
+    exfat_cluster_t *, exfat_cluster_t *);
+extern int exfat_free_clusters(struct exfat_bs *, devmap_handle_t, exfat_cluster_t);