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Merge branch 'freespace-tree' into for-linus-4.5

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Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Chris Mason
2015-12-18 11:11:10 -08:00
parent 9f9499ae8e 70f6d82ec7
commit f7d3d2f99e
16 changed files with 2934 additions and 113 deletions
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41
fs/btrfs/tests/free-space-tests.c
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@@ -23,41 +23,6 @@
#include "../free-space-cache.h"
#define BITS_PER_BITMAP (PAGE_CACHE_SIZE * 8)
static struct btrfs_block_group_cache *init_test_block_group(void)
{
struct btrfs_block_group_cache *cache;
cache = kzalloc(sizeof(*cache), GFP_NOFS);
if (!cache)
return NULL;
cache->free_space_ctl = kzalloc(sizeof(*cache->free_space_ctl),
GFP_NOFS);
if (!cache->free_space_ctl) {
kfree(cache);
return NULL;
}
cache->fs_info = btrfs_alloc_dummy_fs_info();
if (!cache->fs_info) {
kfree(cache->free_space_ctl);
kfree(cache);
return NULL;
}
cache->key.objectid = 0;
cache->key.offset = 1024 * 1024 * 1024;
cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
cache->sectorsize = 4096;
cache->full_stripe_len = 4096;
spin_lock_init(&cache->lock);
INIT_LIST_HEAD(&cache->list);
INIT_LIST_HEAD(&cache->cluster_list);
INIT_LIST_HEAD(&cache->bg_list);
btrfs_init_free_space_ctl(cache);
return cache;
}
/*
* This test just does basic sanity checking, making sure we can add an exten
@@ -891,7 +856,7 @@ int btrfs_test_free_space_cache(void)
test_msg("Running btrfs free space cache tests\n");
cache = init_test_block_group();
cache = btrfs_alloc_dummy_block_group(1024 * 1024 * 1024);
if (!cache) {
test_msg("Couldn't run the tests\n");
return 0;
@@ -922,9 +887,7 @@ int btrfs_test_free_space_cache(void)
ret = test_steal_space_from_bitmap_to_extent(cache);
out:
__btrfs_remove_free_space_cache(cache->free_space_ctl);
kfree(cache->free_space_ctl);
kfree(cache);
btrfs_free_dummy_block_group(cache);
btrfs_free_dummy_root(root);
test_msg("Free space cache tests finished\n");
return ret;