md: move offset, daemon_sleep and chunksize out of bitmap structure

... and into bitmap_info.  These are all configuration parameters
that need to be set before the bitmap is created.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index 7e38d13ddca..50ee4240f5d 100644
--- 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)
 
@@ -209,7 +209,6 @@ 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 +225,6 @@ 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 +236,6 @@ struct bitmap {
 
         int allclean;
 
-        unsigned long max_write_behind; /* write-behind mode */
         atomic_t behind_writes;
 
         /*
@@ -246,7 +243,6 @@ 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 */