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Btrfs: self-tests: Support non-4k page size

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self-tests code assumes 4k as the sectorsize and nodesize. This commit
fix hardcoded 4K. Enables the self-tests code to be executed on non-4k
page sized systems (e.g. ppc64).

Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Feifei Xu <xufeifei@linux.vnet.ibm.com>
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Feifei Xu
2016-06-01 19:18:25 +08:00
committed by David Sterba
parent 0ef6447a3d
commit b9ef22dedd
15 changed files with 357 additions and 293 deletions
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8
fs/btrfs/disk-io.c
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@@ -1147,7 +1147,8 @@ struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
u64 bytenr)
{
if (btrfs_test_is_dummy_root(root))
return alloc_test_extent_buffer(root->fs_info, bytenr);
return alloc_test_extent_buffer(root->fs_info, bytenr,
root->nodesize);
return alloc_extent_buffer(root->fs_info, bytenr);
}
@@ -1314,14 +1315,15 @@ static struct btrfs_root *btrfs_alloc_root(struct btrfs_fs_info *fs_info,
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
/* Should only be used by the testing infrastructure */
struct btrfs_root *btrfs_alloc_dummy_root(void)
struct btrfs_root *btrfs_alloc_dummy_root(u32 sectorsize, u32 nodesize)
{
struct btrfs_root *root;
root = btrfs_alloc_root(NULL, GFP_KERNEL);
if (!root)
return ERR_PTR(-ENOMEM);
__setup_root(4096, 4096, 4096, root, NULL, 1);
/* We don't use the stripesize in selftest, set it as sectorsize */
__setup_root(nodesize, sectorsize, sectorsize, root, NULL, 1);
set_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state);
root->alloc_bytenr = 0;