Btrfs: load free space cache if it exists

[platform/kernel/linux-starfive.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 64f1008..77e5dab 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -481,9 +481,12 @@ static void end_workqueue_bio(struct bio *bio, int err)
        end_io_wq->work.flags = 0;
 
        if (bio->bi_rw & REQ_WRITE) {
-               if (end_io_wq->metadata)
+               if (end_io_wq->metadata == 1)
                        btrfs_queue_worker(&fs_info->endio_meta_write_workers,
                                           &end_io_wq->work);
+               else if (end_io_wq->metadata == 2)
+                       btrfs_queue_worker(&fs_info->endio_freespace_worker,
+                                          &end_io_wq->work);
                else
                        btrfs_queue_worker(&fs_info->endio_write_workers,
                                           &end_io_wq->work);
@@ -497,6 +500,13 @@ static void end_workqueue_bio(struct bio *bio, int err)
        }
 }
 
+/*
+ * For the metadata arg you want
+ *
+ * 0 - if data
+ * 1 - if normal metadta
+ * 2 - if writing to the free space cache area
+ */
 int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
                        int metadata)
 {
@@ -1685,7 +1695,6 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        __setup_root(4096, 4096, 4096, 4096, tree_root,
                     fs_info, BTRFS_ROOT_TREE_OBJECTID);
 
-
        bh = btrfs_read_dev_super(fs_devices->latest_bdev);
        if (!bh)
                goto fail_iput;
@@ -1775,6 +1784,8 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        btrfs_init_workers(&fs_info->endio_write_workers, "endio-write",
                           fs_info->thread_pool_size,
                           &fs_info->generic_worker);
+       btrfs_init_workers(&fs_info->endio_freespace_worker, "freespace-write",
+                          1, &fs_info->generic_worker);
 
        /*
         * endios are largely parallel and should have a very
@@ -1795,6 +1806,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        btrfs_start_workers(&fs_info->endio_meta_workers, 1);
        btrfs_start_workers(&fs_info->endio_meta_write_workers, 1);
        btrfs_start_workers(&fs_info->endio_write_workers, 1);
+       btrfs_start_workers(&fs_info->endio_freespace_worker, 1);
 
        fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
        fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
@@ -1993,6 +2005,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        if (!(sb->s_flags & MS_RDONLY)) {
                down_read(&fs_info->cleanup_work_sem);
                btrfs_orphan_cleanup(fs_info->fs_root);
+               btrfs_orphan_cleanup(fs_info->tree_root);
                up_read(&fs_info->cleanup_work_sem);
        }
 
@@ -2035,6 +2048,7 @@ fail_sb_buffer:
        btrfs_stop_workers(&fs_info->endio_meta_workers);
        btrfs_stop_workers(&fs_info->endio_meta_write_workers);
        btrfs_stop_workers(&fs_info->endio_write_workers);
+       btrfs_stop_workers(&fs_info->endio_freespace_worker);
        btrfs_stop_workers(&fs_info->submit_workers);
 fail_iput:
        invalidate_inode_pages2(fs_info->btree_inode->i_mapping);
@@ -2421,6 +2435,7 @@ int close_ctree(struct btrfs_root *root)
        fs_info->closing = 1;
        smp_mb();
 
+       btrfs_put_block_group_cache(fs_info);
        if (!(fs_info->sb->s_flags & MS_RDONLY)) {
                ret =  btrfs_commit_super(root);
                if (ret)
@@ -2467,6 +2482,7 @@ int close_ctree(struct btrfs_root *root)
        btrfs_stop_workers(&fs_info->endio_meta_workers);
        btrfs_stop_workers(&fs_info->endio_meta_write_workers);
        btrfs_stop_workers(&fs_info->endio_write_workers);
+       btrfs_stop_workers(&fs_info->endio_freespace_worker);
        btrfs_stop_workers(&fs_info->submit_workers);
 
        btrfs_close_devices(fs_info->fs_devices);