X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fswapfile.c;h=f071648e1360823d06e83b1951a77f1c53a5f998;hb=92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0;hp=b9fc0e5de6d50d1892dca42e02ae5d0ad48d7a47;hpb=3be11c8f4f2fa194834c2e83540f34da442b8977;p=linux-2.6

diff --git a/mm/swapfile.c b/mm/swapfile.c
index b9fc0e5de6..f071648e13 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -425,7 +425,7 @@ void free_swap_and_cache(swp_entry_t entry)
 	}
 }
 
-#ifdef CONFIG_SOFTWARE_SUSPEND
+#ifdef CONFIG_HIBERNATION
 /*
  * Find the swap type that corresponds to given device (if any).
  *
@@ -434,7 +434,7 @@ void free_swap_and_cache(swp_entry_t entry)
  *
  * This is needed for the suspend to disk (aka swsusp).
  */
-int swap_type_of(dev_t device, sector_t offset)
+int swap_type_of(dev_t device, sector_t offset, struct block_device **bdev_p)
 {
 	struct block_device *bdev = NULL;
 	int i;
@@ -450,6 +450,9 @@ int swap_type_of(dev_t device, sector_t offset)
 			continue;
 
 		if (!bdev) {
+			if (bdev_p)
+				*bdev_p = sis->bdev;
+
 			spin_unlock(&swap_lock);
 			return i;
 		}
@@ -459,6 +462,9 @@ int swap_type_of(dev_t device, sector_t offset)
 			se = list_entry(sis->extent_list.next,
 					struct swap_extent, list);
 			if (se->start_block == offset) {
+				if (bdev_p)
+					*bdev_p = sis->bdev;
+
 				spin_unlock(&swap_lock);
 				bdput(bdev);
 				return i;
@@ -879,7 +885,7 @@ static int try_to_unuse(unsigned int type)
 		/*
 		 * So we could skip searching mms once swap count went
 		 * to 1, we did not mark any present ptes as dirty: must
-		 * mark page dirty so shrink_list will preserve it.
+		 * mark page dirty so shrink_page_list will preserve it.
 		 */
 		SetPageDirty(page);
 		unlock_page(page);
@@ -945,7 +951,7 @@ sector_t map_swap_page(struct swap_info_struct *sis, pgoff_t offset)
 	}
 }
 
-#ifdef CONFIG_SOFTWARE_SUSPEND
+#ifdef CONFIG_HIBERNATION
 /*
  * Get the (PAGE_SIZE) block corresponding to given offset on the swapdev
  * corresponding to given index in swap_info (swap type).
@@ -960,7 +966,7 @@ sector_t swapdev_block(int swap_type, pgoff_t offset)
 	sis = swap_info + swap_type;
 	return (sis->flags & SWP_WRITEOK) ? map_swap_page(sis, offset) : 0;
 }
-#endif /* CONFIG_SOFTWARE_SUSPEND */
+#endif /* CONFIG_HIBERNATION */
 
 /*
  * Free all of a swapdev's extent information
@@ -1525,9 +1531,6 @@ asmlinkage long sys_swapon(const char __user * specialfile, int swap_flags)
 		error = PTR_ERR(page);
 		goto bad_swap;
 	}
-	wait_on_page_locked(page);
-	if (!PageUptodate(page))
-		goto bad_swap;
 	kmap(page);
 	swap_header = page_address(page);