Messages in this thread | | | Date | Thu, 27 Dec 2001 16:20:19 +0100 | From | Jens Axboe <> | Subject | Re: lvm in 2.5.1 |
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On Thu, Dec 27 2001, andersg@0x63.nu wrote: > - int rw = bio_data_dir(bh); > + int rw = bio_data_dir(bi); > > > down_read(&lv->lv_lock); > @@ -1151,7 +1154,7 @@ > > P_MAP("%s - lvm_map minor: %d *rdev: %s *rsector: %lu size:%lu\n", > lvm_name, minor, > - kdevname(bh->bi_dev), > + kdevname(bi->bi_dev), > rsector_org, size); > > if (rsector_org + size > lv->lv_size) { > @@ -1205,7 +1208,7 @@ > * we need to queue this request, because this is in the fast path. > */ > if (rw == WRITE || rw == WRITEA) { > - if(_defer_extent(bh, rw, rdev_map, > + if(_defer_extent(bi, rw, rdev_map, > rsector_map, vg_this->pe_size)) {
You are tossing out read-ahead info here, you want to use bio_rw and not bio_data_dir. The former will pass back xA bits too, while bio_data_dir is strictly the data direction (strangely :-)
-- Jens Axboe
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