tree 7aebc7d70571ee40fb545dd8e85b492ad3b2da27
parent fc0ca9af180b91aad2fbf2fe3b16a12e1e05a760
author Qu Wenruo <quwenruo@cn.fujitsu.com> 1388973507 +0800
committer Chris Mason <clm@fb.com> 1390944017 -0800

btrfs: Add nodiscard mount option.

Add nodiscard mount option to disable discard with remount option.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>