From: Jens Axboe <jens.axboe@xxxxxxxxxx> Subject: Re: block/bsg.c Date: Tue, 17 Jul 2007 09:10:45 +0200 > On Tue, Jul 17 2007, FUJITA Tomonori wrote: > > From: Jens Axboe <jens.axboe@xxxxxxxxxx> > > Subject: Re: block/bsg.c > > Date: Tue, 17 Jul 2007 08:59:40 +0200 > > > > > On Tue, Jul 17 2007, FUJITA Tomonori wrote: > > > > From: Jens Axboe <jens.axboe@xxxxxxxxxx> > > > > Subject: Re: block/bsg.c > > > > Date: Tue, 17 Jul 2007 08:38:11 +0200 > > > > > > > > > On Mon, Jul 16 2007, Andrew Morton wrote: > > > > > > > > > > > > A belated review (I've never seen this before and there it is in mainline) > > > > > > > > > > > > > static char bsg_version[] = "block layer sg (bsg) 0.4"; > > > > > > > > > > > > `const' would be better. That moves it into a write-protected memory section. > > > > > > > > > > Agree > > > > > > > > > > > > #define list_entry_bc(entry) list_entry((entry), struct bsg_command, list) > > > > > > > > > > > > This makes the code easier to write but harder to read. We should optimise > > > > > > for readers. Please open-code this at callsites. > > > > > > > > > > > > Or at least convert it into a (commented) (possibly inlined) C function. > > > > > > > > > > list_entry_to_bc(), then? The main objective is to save on typing, and > > > > > (just as important) make sure we don't bump over the 80 chars per line. > > > > > > > > > > > > /* > > > > > > > * just for testing > > > > > > > */ > > > > > > > #define BSG_MAJOR (240) > > > > > > > > > > > > What's this doing in mainline? 240 is a "reserved for local use" major. > > > > > > This will cause collisions. This code should be using dynamic major > > > > > > assignment. > > > > > > > > > > Yeah, that's a big error on my part. Will get that fixed up right away. > > > > > > > > I've been testing the patchset to fix the issues that Andrew pointed > > > > out. I can send it soon. > > > > > > > > Jens, have you already fixed some? > > > > > > I already pushed some of the changes locally, just the idr change is > > > missing. See the #bsg branch: > > > > > > http://git.kernel.dk/?p=linux-2.6-block.git;a=shortlog;h=bsg > > > > I see. > > Since Linus is happily snoring by now, could you test and see if the > tree works for you? It works for me. I'll submit some minor patches against your bsg branch to scsi-ml. Can you push them together? Thanks, - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
