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Commit d9cb2459 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: tests: Use BTRFS_MAX_EXTENT_SIZE to replace the intermediate number 



In extent-io self test, we need 2 ordered extents at its maximum size to
do the test.

Instead of using the intermediate numbers, use BTRFS_MAX_EXTENT_SIZE for
@max_bytes, and twice @max_bytes for @total_dirty.  This should explain
why we need all these magic numbers and prevent people to modify them by
accident.

Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent ed46ff3d

fs/btrfs/tests/extent-io-tests.c

+3 −2
Original line number Diff line number Diff line
@@ -62,8 +62,9 @@ static int test_find_delalloc(u32 sectorsize) 
	struct page *page;

	struct page *locked_page = NULL;

	unsigned long index = 0;

	u64 total_dirty = SZ_256M;

	u64 max_bytes = SZ_128M;

	/* In this test we need at least 2 file extents at its maximum size */

	u64 max_bytes = BTRFS_MAX_EXTENT_SIZE;

	u64 total_dirty = 2 * max_bytes;

	u64 start, end, test_start;

	u64 found;

	int ret = -EINVAL;