Commit 0bdb1db2 authored by Sage Weil's avatar Sage Weil Committed by Chris Mason
Browse files

Btrfs: flush data on snapshot creation



Flush any delalloc extents when we create a snapshot, so that recently
written file data is always included in the snapshot.

A later commit will add the ability to snapshot without the flush, but
most people expect flushing.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent bd4d1088
......@@ -997,13 +997,10 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
mutex_unlock(&root->fs_info->trans_mutex);
if (flush_on_commit) {
if (flush_on_commit || snap_pending) {
btrfs_start_delalloc_inodes(root, 1);
ret = btrfs_wait_ordered_extents(root, 0, 1);
BUG_ON(ret);
} else if (snap_pending) {
ret = btrfs_wait_ordered_extents(root, 0, 1);
BUG_ON(ret);
}
/*
......
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