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authorFeifei Xu <xufeifei@linux.vnet.ibm.com>2016-06-01 19:18:29 +0800
committerDavid Sterba <dsterba@suse.com>2016-06-06 17:17:12 +0200
commit36b3dc05b4650e81eca7d60d548a92b014595eb1 (patch)
tree2525d9356cf030201e1541e81caccd07f9be2d44 /fs
parentef9f2db365c31433e52b0c5863793273bb632666 (diff)
downloadlinux-36b3dc05b4650e81eca7d60d548a92b014595eb1.tar.bz2
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: Josef Bacik <jbacik@fb.com> Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Signed-off-by: Feifei Xu <xufeifei@linux.vnet.ibm.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/tests/free-space-tests.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
index 029343b3e854..3956bb2ff84c 100644
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -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;