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authorNeilBrown <neilb@suse.de>2012-03-19 12:46:41 +1100
committerNeilBrown <neilb@suse.de>2012-03-19 12:46:41 +1100
commit792a1d4bbf960000f066358f0a8c6e769c8c72bc (patch)
tree97e9a5c0854551c3fa80e88851ad3317af24ca13 /drivers/md
parent5a6c824ebb7c9f8dbbc92ffd3528e6366cad1a54 (diff)
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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>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/bitmap.c31
1 files changed, 3 insertions, 28 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index e12b515bd47..534e0077d21 100644
--- 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);
}
}