diff options
| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-10-10 12:33:21 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-10-13 09:48:37 -0400 |
| commit | 5c62cb48602dba95159c81ffeca179d3852e25be (patch) | |
| tree | ebd8920d2681fdf485eaaaa625310c29f5e239db /drivers/block | |
| parent | xen/blkback: Support 'feature-barrier' aka old-style BARRIER requests. (diff) | |
| download | linux-dev-5c62cb48602dba95159c81ffeca179d3852e25be.tar.xz linux-dev-5c62cb48602dba95159c81ffeca179d3852e25be.zip | |
xen/blkback: Report VBD_WSECT (wr_sect) properly.
We did not increment the amount of sectors written to disk
b/c we tested for the == WRITE which is incorrect - as the
operations are more of WRITE_FLUSH, WRITE_ODIRECT. This patch
fixes it by doing a & WRITE check.
CC: stable@kernel.org
Reported-by: Andy Burns <xen.lists@burns.me.uk>
Suggested-by: Ian Campbell <Ian.Campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/xen-blkback/blkback.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 184b1335c8e9..c15c559e8662 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -776,7 +776,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, if (operation == READ) blkif->st_rd_sect += preq.nr_sects; - else if (operation == WRITE || operation == WRITE_FLUSH) + else if (operation & WRITE) blkif->st_wr_sect += preq.nr_sects; return 0; |