diff options
| author | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
| commit | 28b4d5cc17c20786848cdc07b7ea237a309776bb (patch) | |
| tree | bae406a4b17229dcce7c11be5073f7a67665e477 /drivers/block/aoe/aoecmd.c | |
| parent | d29cecda036f251aee4947f47eea0fe9ed8cc931 (diff) | |
| parent | 96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff) | |
| download | op-kernel-dev-28b4d5cc17c20786848cdc07b7ea237a309776bb.zip op-kernel-dev-28b4d5cc17c20786848cdc07b7ea237a309776bb.tar.gz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/pcmcia/fmvj18x_cs.c
drivers/net/pcmcia/nmclan_cs.c
drivers/net/pcmcia/xirc2ps_cs.c
drivers/net/wireless/ray_cs.c
Diffstat (limited to 'drivers/block/aoe/aoecmd.c')
| -rw-r--r-- | drivers/block/aoe/aoecmd.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 965ece2..13bb69d 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -735,6 +735,21 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector part_stat_unlock(); } +/* + * Ensure we don't create aliases in VI caches + */ +static inline void +killalias(struct bio *bio) +{ + struct bio_vec *bv; + int i; + + if (bio_data_dir(bio) == READ) + __bio_for_each_segment(bv, bio, i, 0) { + flush_dcache_page(bv->bv_page); + } +} + void aoecmd_ata_rsp(struct sk_buff *skb) { @@ -853,8 +868,12 @@ aoecmd_ata_rsp(struct sk_buff *skb) if (buf && --buf->nframesout == 0 && buf->resid == 0) { diskstats(d->gd, buf->bio, jiffies - buf->stime, buf->sector); - n = (buf->flags & BUFFL_FAIL) ? -EIO : 0; - bio_endio(buf->bio, n); + if (buf->flags & BUFFL_FAIL) + bio_endio(buf->bio, -EIO); + else { + killalias(buf->bio); + bio_endio(buf->bio, 0); + } mempool_free(buf, d->bufpool); } |
