Changeset cb682eb in mainline for uspace/srv/fs/fat/fat_fat.h

Timestamp:

2008-10-27T12:45:08Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

0ec862d

Parents:

e17d986

Message:

Pass the buffer holding the boot sector to the internal functions so that it
doesn't have to be block_get()'ed in each function. The idea is that the boot
block should be read by the top-level functions in fat_ops.c and passed down the
call chain.

File:

• uspace/srv/fs/fat/fat_fat.h (modified) (1 diff)

uspace/srv/fs/fat/fat_fat.h

@@ -51 +51 @@
 #define FAT_CLST_ROOT           FAT_CLST_RES1
 
-
 /* forward declarations */
 struct block;
 struct fat_node;
+struct fat_bs;
 
 typedef uint16_t fat_cluster_t;
 
-#define fat_block_get(np, off) \
-    _fat_block_get((np)->idx->dev_handle, (np)->firstc, (off))
+#define fat_block_get(bs, np, off) \
+    _fat_block_get((bs), (np)->idx->dev_handle, (np)->firstc, (off))
     
-extern struct block *_fat_block_get(dev_handle_t, fat_cluster_t, off_t);
-extern uint16_t _fat_blcks_get(dev_handle_t, fat_cluster_t, fat_cluster_t *);
-extern uint16_t fat_bps_get(dev_handle_t);
+extern struct block *_fat_block_get(struct fat_bs *, dev_handle_t,
+    fat_cluster_t, off_t);
+extern uint16_t _fat_blcks_get(struct fat_bs *, dev_handle_t, fat_cluster_t,
+    fat_cluster_t *);
   
-extern void fat_append_clusters(struct fat_node *, fat_cluster_t);
-extern int fat_alloc_clusters(dev_handle_t, unsigned, fat_cluster_t *,
-    fat_cluster_t *);
-extern void fat_alloc_shadow_clusters(dev_handle_t, fat_cluster_t *, unsigned);
-extern void fat_mark_cluster(dev_handle_t, unsigned, fat_cluster_t,
+extern void fat_append_clusters(struct fat_bs *, struct fat_node *,
     fat_cluster_t);
-extern void fat_fill_gap(struct fat_node *, fat_cluster_t, off_t);
+extern int fat_alloc_clusters(struct fat_bs *, dev_handle_t, unsigned,
+    fat_cluster_t *, fat_cluster_t *);
+extern void fat_alloc_shadow_clusters(struct fat_bs *, dev_handle_t,
+    fat_cluster_t *, unsigned);
+extern void fat_mark_cluster(struct fat_bs *, dev_handle_t, unsigned,
+    fat_cluster_t, fat_cluster_t);
+extern void fat_fill_gap(struct fat_bs *, struct fat_node *, fat_cluster_t,
+    off_t);
 
 #endif