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authorZoltan Kiss <zoltan.kiss@citrix.com>2013-03-11 16:15:50 +0000
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-03-11 13:56:54 -0400
commit986cacbd26abe5d498be922cd6632f1ec376c271 (patch)
tree039ceda7941e3aa8c40ce645379de518e2a68208 /drivers/block/xen-blkback/blkback.c
parent0e367ae46503cfe7791460c8ba8434a5d60b2bd5 (diff)
xen/blkback: Change statistics counter types to unsigned
These values shouldn't be negative, but after an overflow their value can turn into negative, if they are signed. xentop can show bogus values in this case. Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> Reported-by: Ichiro Ogino <ichiro.ogino@citrix.co.jp> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/block/xen-blkback/blkback.c')
-rw-r--r--drivers/block/xen-blkback/blkback.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 1a0faf6370c..eaccc222a1d 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -381,8 +381,8 @@ irqreturn_t xen_blkif_be_int(int irq, void *dev_id)
static void print_stats(struct xen_blkif *blkif)
{
- pr_info("xen-blkback (%s): oo %3d | rd %4d | wr %4d | f %4d"
- " | ds %4d\n",
+ pr_info("xen-blkback (%s): oo %3llu | rd %4llu | wr %4llu | f %4llu"
+ " | ds %4llu\n",
current->comm, blkif->st_oo_req,
blkif->st_rd_req, blkif->st_wr_req,
blkif->st_f_req, blkif->st_ds_req);