md/bitmap: remove unnecessary indirection when allocating.

These funcitons don't add anything useful except possibly the trace
points, and I don't think they are worth the extra indirection.
So remove them.

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

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index e12b515..534e007 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -36,31 +36,6 @@ static inline char *bmname(struct bitmap *bitmap)
 }
 
 /*
- * just a placeholder - calls kmalloc for bitmap pages
- */
-static unsigned char *bitmap_alloc_page(struct bitmap *bitmap)
-{
-       unsigned char *page;
-
-       page = kzalloc(PAGE_SIZE, GFP_NOIO);
-       if (!page)
-               printk("%s: bitmap_alloc_page FAILED\n", bmname(bitmap));
-       else
-               pr_debug("%s: bitmap_alloc_page: allocated page at %p\n",
-                        bmname(bitmap), page);
-       return page;
-}
-
-/*
- * for now just a placeholder -- just calls kfree for bitmap pages
- */
-static void bitmap_free_page(struct bitmap *bitmap, unsigned char *page)
-{
-       pr_debug("%s: bitmap_free_page: free page %p\n", bmname(bitmap), page);
-       kfree(page);
-}
-
-/*
  * check a page and, if necessary, allocate it (or hijack it if the alloc fails)
  *
  * 1) check to see if this page is allocated, if it's not then try to alloc
@@ -97,7 +72,7 @@ __acquires(bitmap->lock)
        /* this page has not been allocated yet */
 
        spin_unlock_irq(&bitmap->lock);
-       mappage = bitmap_alloc_page(bitmap);
+       mappage = kzalloc(PAGE_SIZE, GFP_NOIO);
        spin_lock_irq(&bitmap->lock);
 
        if (mappage == NULL) {
@@ -110,7 +85,7 @@ __acquires(bitmap->lock)
        } else if (bitmap->bp[page].map ||
                   bitmap->bp[page].hijacked) {
                /* somebody beat us to getting the page */
-               bitmap_free_page(bitmap, mappage);
+               kfree(mappage);
                return 0;
        } else {
 
@@ -142,7 +117,7 @@ static void bitmap_checkfree(struct bitmap *bitmap, unsigned long page)
                ptr = bitmap->bp[page].map;
                bitmap->bp[page].map = NULL;
                bitmap->missing_pages++;
-               bitmap_free_page(bitmap, ptr);
+               kfree(ptr);
        }
 }