Btrfs: suppress printk() if all device I/O stats are zero
authorStefan Behrens <sbehrens@giantdisaster.de>
Tue, 17 Jul 2012 15:02:11 +0000 (09:02 -0600)
committerChris Mason <chris.mason@fusionio.com>
Mon, 23 Jul 2012 20:28:07 +0000 (16:28 -0400)
commita98cdb85b990765dbe80a215367ae007320bfeea
tree47588ab2c46fdaf9f782fadc0c636fc64eeff902
parent5021976d8dd6d94248026631bfa4578aacd7b563
Btrfs: suppress printk() if all device I/O stats are zero

Code is added to suppress the I/O stats printing at mount time if all
statistic values are zero.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
fs/btrfs/volumes.c