const: struct nla_policy

[safe/jmp/linux-2.6] / drivers / md / bitmap.h

diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index 7e38d13..cb821d7 100644 (file)
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -106,7 +106,7 @@ typedef __u16 bitmap_counter_t;
 #define BITMAP_BLOCK_SHIFT 9
 
 /* how many blocks per chunk? (this is variable) */
-#define CHUNK_BLOCK_RATIO(bitmap) ((bitmap)->chunksize >> BITMAP_BLOCK_SHIFT)
+#define CHUNK_BLOCK_RATIO(bitmap) ((bitmap)->mddev->bitmap_info.chunksize >> BITMAP_BLOCK_SHIFT)
 #define CHUNK_BLOCK_SHIFT(bitmap) ((bitmap)->chunkshift - BITMAP_BLOCK_SHIFT)
 #define CHUNK_BLOCK_MASK(bitmap) (CHUNK_BLOCK_RATIO(bitmap) - 1)
 
@@ -118,16 +118,6 @@ typedef __u16 bitmap_counter_t;
                        (CHUNK_BLOCK_SHIFT(bitmap) + PAGE_COUNTER_SHIFT - 1)
 #define PAGEPTR_BLOCK_MASK(bitmap) (PAGEPTR_BLOCK_RATIO(bitmap) - 1)
 
-/*
- * on-disk bitmap:
- *
- * Use one bit per "chunk" (block set). We do the disk I/O on the bitmap
- * file a page at a time. There's a superblock at the start of the file.
- */
-
-/* map chunks (bits) to file pages - offset by the size of the superblock */
-#define CHUNK_BIT_OFFSET(chunk) ((chunk) + (sizeof(bitmap_super_t) << 3))
-
 #endif
 
 /*
@@ -209,7 +199,6 @@ struct bitmap {
        int counter_bits; /* how many bits per block counter */
 
        /* bitmap chunksize -- how much data does each bit represent? */
-       unsigned long chunksize;
        unsigned long chunkshift; /* chunksize = 2^chunkshift (for bitops) */
        unsigned long chunks; /* total number of data chunks for the array */
 
@@ -226,7 +215,6 @@ struct bitmap {
        /* bitmap spinlock */
        spinlock_t lock;
 
-       long offset; /* offset from superblock if file is NULL */
        struct file *file; /* backing disk file */
        struct page *sb_page; /* cached copy of the bitmap file superblock */
        struct page **filemap; /* list of cache pages for the file */
@@ -238,7 +226,6 @@ struct bitmap {
 
        int allclean;
 
-       unsigned long max_write_behind; /* write-behind mode */
        atomic_t behind_writes;
 
        /*
@@ -246,7 +233,6 @@ struct bitmap {
         * file, cleaning up bits and flushing out pages to disk as necessary
         */
        unsigned long daemon_lastrun; /* jiffies of last run */
-       unsigned long daemon_sleep; /* how many seconds between updates? */
        unsigned long last_end_sync; /* when we lasted called end_sync to
                                      * update bitmap with resync progress */
 
@@ -254,6 +240,7 @@ struct bitmap {
        wait_queue_head_t write_wait;
        wait_queue_head_t overflow_wait;
 
+       struct sysfs_dirent *sysfs_can_clear;
 };
 
 /* the bitmap API */