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Commit 36b3dc05 authored by Feifei Xu's avatar Feifei Xu Committed by David Sterba
Browse files

Btrfs: self-tests: Fix test_bitmaps fail on 64k sectorsize 



With 64K sectorsize, 1G sized block group cannot span across bitmaps.
To execute test_bitmaps() function, this commit allocates
"BITS_PER_BITMAP * sectorsize + PAGE_SIZE" sized block group.

Reviewed-by: default avatarJosef Bacik <jbacik@fb.com>
Reviewed-by: default avatarChandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: default avatarFeifei Xu <xufeifei@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent ef9f2db3

fs/btrfs/tests/free-space-tests.c

+7 −1
Original line number Diff line number Diff line
@@ -843,7 +843,13 @@ int btrfs_test_free_space_cache(u32 sectorsize, u32 nodesize) 


	test_msg("Running btrfs free space cache tests\n");



	cache = btrfs_alloc_dummy_block_group(1024 * 1024 * 1024, sectorsize);

	/*

	 * For ppc64 (with 64k page size), bytes per bitmap might be

	 * larger than 1G.  To make bitmap test available in ppc64,

	 * alloc dummy block group whose size cross bitmaps.

	 */

	cache = btrfs_alloc_dummy_block_group(BITS_PER_BITMAP * sectorsize

					+ PAGE_SIZE, sectorsize);

	if (!cache) {

		test_msg("Couldn't run the tests\n");

		return 0;