btrfs: subpage: reject raid56 filesystem and profile conversion

Browse source

RAID56 is not only unsafe due to its write-hole problem, but also has
tons of hardcoded PAGE_SIZE.

Disable it for subpage support for now.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

...

This commit is contained in:

Qu Wenruo 2021-07-26 14:35:01 +08:00 • committed by David Sterba

parent e0eefe07f8

commit c8050b3b7f

2 changed files with 17 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

fs/btrfs/disk-io.c

View file

7

fs/btrfs/volumes.c

View file