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| author | Liu Bo <bo.li.liu@oracle.com> | 2016-07-21 02:33:44 +0200 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2016-08-25 12:58:17 +0200 |
| commit | f3bca8028bd934e96257b8bd1143e6474fe98465 (patch) | |
| tree | 57752c3b349726c71b85d93f69c6cf5f4b0f098c /fs | |
| parent | btrfs: backref: Fix soft lockup in __merge_refs function (diff) | |
| download | linux-f3bca8028bd934e96257b8bd1143e6474fe98465.tar.xz linux-f3bca8028bd934e96257b8bd1143e6474fe98465.zip | |
Btrfs: add ASSERT for block group's memory leak
This adds several ASSERT()' s to report memory leak of block group cache.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index c2b81b0d3fe0..e962b0e25324 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -9942,6 +9942,7 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info) block_group->iref = 0; block_group->inode = NULL; spin_unlock(&block_group->lock); + ASSERT(block_group->io_ctl.inode == NULL); iput(inode); last = block_group->key.objectid + block_group->key.offset; btrfs_put_block_group(block_group); @@ -9999,6 +10000,10 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) free_excluded_extents(info->extent_root, block_group); btrfs_remove_free_space_cache(block_group); + ASSERT(list_empty(&block_group->dirty_list)); + ASSERT(list_empty(&block_group->io_list)); + ASSERT(list_empty(&block_group->bg_list)); + ASSERT(atomic_read(&block_group->count) == 1); btrfs_put_block_group(block_group); spin_lock(&info->block_group_cache_lock); |