Re: [bug] block subsystem related crash with latest -git

On Wed, 17 Oct 2007, Jens Axboe wrote:
> 
> Ah ok, I see why you are confused. The SCSI case is one, it allocs and
> frees the sg table each time. The entries are thus always initialized
> when they end up in blk_rq_map_sg(). However, other drivers allocate one
> at driver init time and use that one all the time. It needs to be
> initially cleared, but it wont be cleared before each request mapping.
> And that is fine, as long as we do clear entries in blk_rq_map_sg().

Ahh, ok, thanks for clearing that up.

			Linus
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • Re: [bug] block subsystem related crash with latest -git
    • From: Linus Torvalds <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Linus Torvalds <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Linus Torvalds <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Linus Torvalds <[email protected]>
  • Re: [bug] block subsystem related crash with latest -git
    • From: Jens Axboe <[email protected]>

• Prev by Date: Re: [PATCH] rd: Mark ramdisk buffers heads dirty
• Next by Date: Re: [RESEND] file operations: release can race with read/write?
• Previous by thread: Re: [bug] block subsystem related crash with latest -git
• Next by thread: Re: [bug] block subsystem related crash with latest -git
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]