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[dm-devel] [PATCH 2 of 15] md minor updates



Patch name: md-minor-updates.patch

Changes from e384e58549a2e9a83071ad80280c1a9053cfd84c that should
be kept.  (i.e. those cosmetic changes that are unrelated to 
dm dirty log support.

Signed-off-by: Jonathan Brassow <jbrassow redhat com>

Index: linux-2.6/drivers/md/bitmap.c
===================================================================
--- linux-2.6.orig/drivers/md/bitmap.c
+++ linux-2.6/drivers/md/bitmap.c
@@ -925,11 +925,11 @@ static int bitmap_init_from_disk(struct 
 		printk(KERN_INFO "%s: bitmap file is out of date, doing full "
 			"recovery\n", bmname(bitmap));
 
-	bytes = (chunks + 7) / 8;
+	bytes = DIV_ROUND_UP(bitmap->chunks, 8);
 	if (!bitmap->mddev->bitmap_info.external)
 		bytes += sizeof(bitmap_super_t);
 
-	num_pages = (bytes + PAGE_SIZE - 1) / PAGE_SIZE;
+	num_pages = DIV_ROUND_UP(bytes, PAGE_SIZE);
 
 	if (file && i_size_read(file->f_mapping->host) < bytes) {
 		printk(KERN_INFO "%s: bitmap file too short %lu < %lu\n",


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