btrfs-progs: check if device supports trim
authorDavid Sterba <dsterba@suse.cz>
Fri, 20 Sep 2013 16:42:07 +0000 (18:42 +0200)
committerChris Mason <chris.mason@fusionio.com>
Wed, 16 Oct 2013 12:23:11 +0000 (08:23 -0400)
commit25d82d222944a234a006d8828fa20329a370c807
treed8f0541da7cd37e808f231f347bc90618c4818a8
parentb5efa4c3c9cd879e2f8079c56df8e38ae7024121
btrfs-progs: check if device supports trim

The message about trim was printed unconditionally, we should check if
trim is supported at all.

Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
utils.c