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Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 19e5f8eaae77..e655fa3bfd9b 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2168,8 +2168,7 @@ static int load_global_roots_objectid(struct btrfs_root *tree_root,
found = true;
root = read_tree_root_path(tree_root, path, &key);
if (IS_ERR(root)) {
- if (!btrfs_test_opt(fs_info, IGNOREBADROOTS))
- ret = PTR_ERR(root);
+ ret = PTR_ERR(root);
break;
}
set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
@@ -2786,6 +2785,7 @@ void btrfs_init_fs_info(struct btrfs_fs_info *fs_info)
btrfs_init_scrub(fs_info);
btrfs_init_balance(fs_info);
btrfs_init_async_reclaim_work(fs_info);
+ btrfs_init_extent_map_shrinker_work(fs_info);
rwlock_init(&fs_info->block_group_cache_lock);
fs_info->block_group_cache_tree = RB_ROOT_CACHED;
@@ -4255,6 +4255,14 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info)
btrfs_cleanup_defrag_inodes(fs_info);
/*
+ * Handle the error fs first, as it will flush and wait for all ordered
+ * extents. This will generate delayed iputs, thus we want to handle
+ * it first.
+ */
+ if (unlikely(BTRFS_FS_ERROR(fs_info)))
+ btrfs_error_commit_super(fs_info);
+
+ /*
* Wait for any fixup workers to complete.
* If we don't wait for them here and they are still running by the time
* we call kthread_stop() against the cleaner kthread further below, we
@@ -4275,6 +4283,19 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info)
btrfs_flush_workqueue(fs_info->delalloc_workers);
/*
+ * We can have ordered extents getting their last reference dropped from
+ * the fs_info->workers queue because for async writes for data bios we
+ * queue a work for that queue, at btrfs_wq_submit_bio(), that runs
+ * run_one_async_done() which calls btrfs_bio_end_io() in case the bio
+ * has an error, and that later function can do the final
+ * btrfs_put_ordered_extent() on the ordered extent attached to the bio,
+ * which adds a delayed iput for the inode. So we must flush the queue
+ * so that we don't have delayed iputs after committing the current
+ * transaction below and stopping the cleaner and transaction kthreads.
+ */
+ btrfs_flush_workqueue(fs_info->workers);
+
+ /*
* When finishing a compressed write bio we schedule a work queue item
* to finish an ordered extent - btrfs_finish_compressed_write_work()
* calls btrfs_finish_ordered_extent() which in turns does a call to
@@ -4314,6 +4335,7 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info)
cancel_work_sync(&fs_info->async_reclaim_work);
cancel_work_sync(&fs_info->async_data_reclaim_work);
cancel_work_sync(&fs_info->preempt_reclaim_work);
+ cancel_work_sync(&fs_info->extent_map_shrinker_work);
/* Cancel or finish ongoing discard work */
btrfs_discard_cleanup(fs_info);
@@ -4343,9 +4365,6 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info)
btrfs_err(fs_info, "commit super ret %d", ret);
}
- if (BTRFS_FS_ERROR(fs_info))
- btrfs_error_commit_super(fs_info);
-
kthread_stop(fs_info->transaction_kthread);
kthread_stop(fs_info->cleaner_kthread);
@@ -4468,10 +4487,6 @@ static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info)
/* cleanup FS via transaction */
btrfs_cleanup_transaction(fs_info);
- mutex_lock(&fs_info->cleaner_mutex);
- btrfs_run_delayed_iputs(fs_info);
- mutex_unlock(&fs_info->cleaner_mutex);
-
down_write(&fs_info->cleanup_work_sem);
up_write(&fs_info->cleanup_work_sem);
}