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authorDavid Sterba <dsterba@suse.com>2015-11-19 11:42:24 +0100
committerDavid Sterba <dsterba@suse.com>2016-01-07 15:01:14 +0100
commit28f0779a3fd6ef015303780f0b9a92b24728bc4b (patch)
tree456ff448bdefa0d7bc31cf460221b8858131ab30 /fs
parentbtrfs: don't use slab cache for struct btrfs_delalloc_work (diff)
downloadlinux-28f0779a3fd6ef015303780f0b9a92b24728bc4b.tar.xz
linux-28f0779a3fd6ef015303780f0b9a92b24728bc4b.zip
btrfs tests: replace whole ops structure for free space tests
Preparatory work for making btrfs_free_space_op constant. In test_steal_space_from_bitmap_to_extent, we substitute use_bitmap with own version thus preventing constification. We can rework it so we replace the whole structure with the correct function pointers. Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/tests/free-space-tests.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
index 8b72b005bfb9..46c2f292ea94 100644
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -445,9 +445,11 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache)
int ret;
u64 offset;
u64 max_extent_size;
-
- bool (*use_bitmap_op)(struct btrfs_free_space_ctl *,
- struct btrfs_free_space *);
+ struct btrfs_free_space_op test_free_space_ops = {
+ .recalc_thresholds = cache->free_space_ctl->op->recalc_thresholds,
+ .use_bitmap = test_use_bitmap,
+ };
+ struct btrfs_free_space_op *orig_free_space_ops;
test_msg("Running space stealing from bitmap to extent\n");
@@ -469,8 +471,8 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache)
* that forces use of bitmaps as soon as we have at least 1
* extent entry.
*/
- use_bitmap_op = cache->free_space_ctl->op->use_bitmap;
- cache->free_space_ctl->op->use_bitmap = test_use_bitmap;
+ orig_free_space_ops = cache->free_space_ctl->op;
+ cache->free_space_ctl->op = &test_free_space_ops;
/*
* Extent entry covering free space range [128Mb - 256Kb, 128Mb - 128Kb[
@@ -877,7 +879,7 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache)
if (ret)
return ret;
- cache->free_space_ctl->op->use_bitmap = use_bitmap_op;
+ cache->free_space_ctl->op = orig_free_space_ops;
__btrfs_remove_free_space_cache(cache->free_space_ctl);
return 0;