提交 2e9f5954 编写于 作者: R Rashika 提交者: Chris Mason

btrfs: Add helper function for free_root_pointers()

The function free_root_pointers() in disk-io.h contains redundant code.
Therefore, this patch adds a helper function free_root_extent_buffers()
to free_root_pointers() to eliminate redundancy.
Reviewed-by: NZach Brown <zab@redhat.com>
Signed-off-by: NRashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: NJosef Bacik <jbacik@fusionio.com>
Signed-off-by: NChris Mason <chris.mason@fusionio.com>
上级 48ec4736
......@@ -2033,50 +2033,28 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info)
btrfs_stop_workers(&fs_info->qgroup_rescan_workers);
}
static void free_root_extent_buffers(struct btrfs_root *root)
{
if (root) {
free_extent_buffer(root->node);
free_extent_buffer(root->commit_root);
root->node = NULL;
root->commit_root = NULL;
}
}
/* helper to cleanup tree roots */
static void free_root_pointers(struct btrfs_fs_info *info, int chunk_root)
{
free_extent_buffer(info->tree_root->node);
free_extent_buffer(info->tree_root->commit_root);
info->tree_root->node = NULL;
info->tree_root->commit_root = NULL;
if (info->dev_root) {
free_extent_buffer(info->dev_root->node);
free_extent_buffer(info->dev_root->commit_root);
info->dev_root->node = NULL;
info->dev_root->commit_root = NULL;
}
if (info->extent_root) {
free_extent_buffer(info->extent_root->node);
free_extent_buffer(info->extent_root->commit_root);
info->extent_root->node = NULL;
info->extent_root->commit_root = NULL;
}
if (info->csum_root) {
free_extent_buffer(info->csum_root->node);
free_extent_buffer(info->csum_root->commit_root);
info->csum_root->node = NULL;
info->csum_root->commit_root = NULL;
}
if (info->quota_root) {
free_extent_buffer(info->quota_root->node);
free_extent_buffer(info->quota_root->commit_root);
info->quota_root->node = NULL;
info->quota_root->commit_root = NULL;
}
if (info->uuid_root) {
free_extent_buffer(info->uuid_root->node);
free_extent_buffer(info->uuid_root->commit_root);
info->uuid_root->node = NULL;
info->uuid_root->commit_root = NULL;
}
if (chunk_root) {
free_extent_buffer(info->chunk_root->node);
free_extent_buffer(info->chunk_root->commit_root);
info->chunk_root->node = NULL;
info->chunk_root->commit_root = NULL;
}
free_root_extent_buffers(info->tree_root);
free_root_extent_buffers(info->dev_root);
free_root_extent_buffers(info->extent_root);
free_root_extent_buffers(info->csum_root);
free_root_extent_buffers(info->quota_root);
free_root_extent_buffers(info->uuid_root);
if (chunk_root)
free_root_extent_buffers(info->chunk_root);
}
static void del_fs_roots(struct btrfs_fs_info *fs_info)
......
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