Set cache_dirty flag to be a bitmask; add accessors and update code.

[bertos.git] / bertos / io / kblock.h

diff --git a/bertos/io/kblock.h b/bertos/io/kblock.h
index abc0fcb28e0de43e29bef346a56465a3d555c073..14a5b88eec87c47c2005d0ff44e8c58d025eb0c0 100644 (file)
--- a/bertos/io/kblock.h
+++ b/bertos/io/kblock.h
@@ -92,7 +92,8 @@ typedef struct KBlockVTable
 } KBlockVTable;
 
 
-#define KB_BUFFERED BV(0)
+#define KB_BUFFERED    BV(0)
+#define KB_CACHE_DIRTY BV(1)
 
 /**
  * KBlock private members.
@@ -106,7 +107,6 @@ typedef struct KBlockPriv
        void *buf;
        block_idx_t blk_start; ///< Start block number when the device is trimmed. \sa kblock_trim()
        block_idx_t curr_blk;
-       bool cache_dirty;
 
        const struct KBlockVTable *vt; ///< Virtual table of interface functions.
 } KBlockPriv;
@@ -240,6 +240,12 @@ INLINE int kblock_readBlock(struct KBlock *b, block_idx_t index, void *buf)
        return b->priv.vt->readBlock(b, b->priv.blk_start + index, buf);
 }
 
+INLINE bool kblock_cacheDirty(struct KBlock *b)
+{
+       ASSERT(b);
+       return (b->priv.flags & KB_CACHE_DIRTY);
+}
+
 INLINE block_idx_t kblock_cachedBlock(struct KBlock *b)
 {
        return b->priv.curr_blk;
@@ -251,6 +257,7 @@ INLINE bool kblock_buffered(struct KBlock *b)
        return (b->priv.flags & KB_BUFFERED);
 }
 
+
 size_t kblock_read(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size);
 
 int kblock_flush(struct KBlock *b);