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: Chandan Rajendra <chandan@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Feifei Xu <xufeifei@xxxxxxxxxxxxxxxxxx>
---
fs/btrfs/tests/free-space-tests.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
index 6ec1bd0..aee340b 100644
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -841,7 +841,13 @@ 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;
--
2.7.4
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