diff options
| author | Gabriel Niebler <gniebler@suse.com> | 2022-04-21 17:45:38 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-05-16 17:03:16 +0200 |
| commit | 8ee922689d67b7cfa6acbe2aa1ee76ac72e6fc8a (patch) | |
| tree | 8744bf4ab772288a578b6fe96d698e4e34560752 /fs/btrfs/tests | |
| parent | 4076942021fe14efecae33bf98566df6dd5ae6f7 (diff) | |
btrfs: turn fs_info member buffer_radix into XArray
… named 'extent_buffers'. Also adjust all usages of this object to use
the XArray API, which greatly simplifies the code as it takes care of
locking and is generally easier to use and understand, providing
notionally simpler array semantics.
Also perform some light refactoring.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Gabriel Niebler <gniebler@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/tests')
| -rw-r--r-- | fs/btrfs/tests/btrfs-tests.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c index d8e56edd6991..c8c4efc9a3fb 100644 --- a/fs/btrfs/tests/btrfs-tests.c +++ b/fs/btrfs/tests/btrfs-tests.c @@ -150,8 +150,8 @@ struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize) void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info) { - struct radix_tree_iter iter; - void **slot; + unsigned long index; + struct extent_buffer *eb; struct btrfs_device *dev, *tmp; if (!fs_info) @@ -163,25 +163,9 @@ void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info) test_mnt->mnt_sb->s_fs_info = NULL; - spin_lock(&fs_info->buffer_lock); - radix_tree_for_each_slot(slot, &fs_info->buffer_radix, &iter, 0) { - struct extent_buffer *eb; - - eb = radix_tree_deref_slot_protected(slot, &fs_info->buffer_lock); - if (!eb) - continue; - /* Shouldn't happen but that kind of thinking creates CVE's */ - if (radix_tree_exception(eb)) { - if (radix_tree_deref_retry(eb)) - slot = radix_tree_iter_retry(&iter); - continue; - } - slot = radix_tree_iter_resume(slot, &iter); - spin_unlock(&fs_info->buffer_lock); + xa_for_each(&fs_info->extent_buffers, index, eb) { free_extent_buffer_stale(eb); - spin_lock(&fs_info->buffer_lock); } - spin_unlock(&fs_info->buffer_lock); btrfs_mapping_tree_free(&fs_info->mapping_tree); list_for_each_entry_safe(dev, tmp, &fs_info->fs_devices->devices, |