btrfs: scrub

[mirror_ubuntu-eoan-kernel.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index fe5aec9b39249dc20b3e0e28a53990b9cbc53fe4..e48e8095c61f88766709307d13b621cf660483dd 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1773,6 +1773,17 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        INIT_LIST_HEAD(&fs_info->ordered_extents);
        spin_lock_init(&fs_info->ordered_extent_lock);
 
+       mutex_init(&fs_info->scrub_lock);
+       atomic_set(&fs_info->scrubs_running, 0);
+       atomic_set(&fs_info->scrub_pause_req, 0);
+       atomic_set(&fs_info->scrubs_paused, 0);
+       atomic_set(&fs_info->scrub_cancel_req, 0);
+       init_waitqueue_head(&fs_info->scrub_pause_wait);
+       init_rwsem(&fs_info->scrub_super_lock);
+       fs_info->scrub_workers_refcnt = 0;
+       btrfs_init_workers(&fs_info->scrub_workers, "scrub",
+                          fs_info->thread_pool_size, &fs_info->generic_worker);
+
        sb->s_blocksize = 4096;
        sb->s_blocksize_bits = blksize_bits(4096);
        sb->s_bdi = &fs_info->bdi;
@@ -2599,6 +2610,7 @@ int close_ctree(struct btrfs_root *root)
        fs_info->closing = 1;
        smp_mb();
 
+       btrfs_scrub_cancel(root);
        btrfs_put_block_group_cache(fs_info);
 
        /*