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btrfs: unify extent buffer allocation api

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Make the extent buffer allocation interface consistent.  Cloned eb will
set a valid fs_info.  For dummy eb, we can drop the length parameter and
set it from fs_info.

The built-in sanity checks may pass a NULL fs_info that's queried for
nodesize, but we know it's 4096.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2014-06-15 03:20:26 +02:00
parent 23d79d81b1
commit 3f556f7853
6 changed files with 35 additions and 23 deletions
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21
fs/btrfs/tests/qgroup-tests.c
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@@ -404,6 +404,16 @@ int btrfs_test_qgroups(void)
ret = -ENOMEM;
goto out;
}
/* We are using this root as our extent root */
root->fs_info->extent_root = root;
/*
* Some of the paths we test assume we have a filled out fs_info, so we
* just need to add the root in there so we don't panic.
*/
root->fs_info->tree_root = root;
root->fs_info->quota_root = root;
root->fs_info->quota_enabled = 1;
/*
* Can't use bytenr 0, some things freak out
@@ -448,17 +458,6 @@ int btrfs_test_qgroups(void)
goto out;
}
/* We are using this root as our extent root */
root->fs_info->extent_root = root;
/*
* Some of the paths we test assume we have a filled out fs_info, so we
* just need to addt he root in there so we don't panic.
*/
root->fs_info->tree_root = root;
root->fs_info->quota_root = root;
root->fs_info->quota_enabled = 1;
test_msg("Running qgroup tests\n");
ret = test_no_shared_qgroup(root);
if (ret)