btrfs: Add overview of device replace
authorQu Wenruo <wqu@suse.com>
Thu, 23 Jan 2020 07:44:50 +0000 (15:44 +0800)
committerDavid Sterba <dsterba@suse.com>
Mon, 23 Mar 2020 16:01:23 +0000 (17:01 +0100)
commit30b3688e1f6c8cca8e0c6c74f88368497f081c9f
treeafa3461b6d89a52b5af281279dd0d3b230acbe36
parent16fbf79b0f83bc752cee8589279f1ebfe57b3b6e
btrfs: Add overview of device replace

The overview of btrfs dev-replace.  It mentions some corner cases caused
by the write duplication and scrub based data copy.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ adjust wording ]
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/dev-replace.c