| commit | a6bd9cd1559b8e78d1d03fe64445ae6dc419ea16 | [log] [tgz] |
|---|---|---|
| author | Nikolay Borisov <nborisov@suse.com> | Wed Aug 21 10:42:57 2019 +0300 |
| committer | David Sterba <dsterba@suse.com> | Mon Sep 09 14:59:13 2019 +0200 |
| tree | 0a3735e4c27a50ad4456bfa2e3ce193e1287b9e0 | |
| parent | 3e024846d241b992ded27fdfdb78ea819abaa0cb [diff] |
btrfs: improve comments around nocow path run_delalloc_nocow contains numerous, somewhat subtle, checks when figuring out whether a particular extent should be CoW'ed or not. This patch explicitly states the assumptions those checks verify. As a result also document 2 of the more subtle checks in check_committed_ref as well. Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>