Re: [dm-devel] [Bcache v13 01/16] Only clone bio vecs that are in use
From: Kent Overstreet <hidden>
Date: 2012-05-11 20:29:55
Also in:
dm-devel, lkml
From: Kent Overstreet <hidden>
Date: 2012-05-11 20:29:55
Also in:
dm-devel, lkml
On Fri, May 11, 2012 at 09:29:42AM -0400, Jeff Moyer wrote:
[top posting fixed] Kent Overstreet [off-list ref] writes:quoted
2012/5/10 Vivek Goyal [off-list ref]:quoted
On Wed, May 09, 2012 at 11:08:13PM -0400, Kent Overstreet wrote: [..]quoted
- - if (bio_integrity(bio)) { - bio_integrity_clone(clone, bio, GFP_NOIO, bs); - +#if 0 + if (bio_integrity(bio)) if (idx != bio->bi_idx || clone->bi_size < bio->bi_size) bio_integrity_trim(clone, bio_sector_offset(bio, idx, 0), len); - } - +#endifDead/debug code under "#if 0" ?Oh, I never got around to figuring out what needed to be done with the bio integrity - presumably it'll have to be handled differently somehow (I'm assuming an index in the integrity bvec is intended to match up with an index in the regular bvec), but I don't have any way to test the integrity stuff.The scsi debug module supports dif/dix, so you can use that for testing.
Thanks, I'll try that.