diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-02 23:38:13 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-02 23:38:13 -0800 |
commit | 467832032cc07626880363efa8625719c16c04eb (patch) | |
tree | ee9a62c04f0b3106e412bc1b2dd1cea5566d5ca7 /drivers/block/aoe/aoecmd.c | |
parent | 66d2a5952eab875f1286e04f738ef029afdaf013 (diff) | |
parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) |
Merge commit 'v2.6.32' into next
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 965ece2c7e4..13bb69d2abb 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); } |