diff options
| author | ecashin@coraid.com <ecashin@coraid.com> | 2005-04-18 22:00:22 -0700 |
|---|---|---|
| committer | Greg KH <greg@press.kroah.org> | 2005-04-18 22:00:22 -0700 |
| commit | 0c6f0e7920f39b28bdbe5f134f3e592542332d87 (patch) | |
| tree | 0d31149e2c52557555d35696e13d3d9baabc1eaa /drivers/block/aoe/aoecmd.c | |
| parent | e3b7df65e089f143b9228472b80fb96c495fb634 (diff) | |
[PATCH] aoe 11/12: add support for disk statistics
add support for disk statistics
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/block/aoe/aoecmd.c')
| -rw-r--r-- | drivers/block/aoe/aoecmd.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index f810bd6bf87..60beb8db461 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -456,6 +456,20 @@ aoecmd_ata_rsp(struct sk_buff *skb) if (buf) { buf->nframesout -= 1; if (buf->nframesout == 0 && buf->resid == 0) { + unsigned long duration = jiffies - buf->start_time; + unsigned long n_sect = buf->bio->bi_size >> 9; + struct gendisk *disk = d->gd; + + if (bio_data_dir(buf->bio) == WRITE) { + disk_stat_inc(disk, writes); + disk_stat_add(disk, write_ticks, duration); + disk_stat_add(disk, write_sectors, n_sect); + } else { + disk_stat_inc(disk, reads); + disk_stat_add(disk, read_ticks, duration); + disk_stat_add(disk, read_sectors, n_sect); + } + disk_stat_add(disk, io_ticks, duration); n = (buf->flags & BUFFL_FAIL) ? -EIO : 0; bio_endio(buf->bio, buf->bio->bi_size, n); mempool_free(buf, d->bufpool); |