lkml.org 
[lkml]   [2008]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [dm-crypt] INFO: task mount:11202 blocked for more than 120 seconds
On Mon, Mar 17, 2008 at 05:36:09PM +0000, Alasdair G Kergon wrote:
> Latest version for everyone to try:
>
> From: Milan Broz <mbroz@redhat.com>
>
> Fix regression in dm-crypt introduced in commit
> 3a7f6c990ad04e6f576a159876c602d14d6f7fef
> (dm crypt: use async crypto).
>
> If write requests need to be split into pieces, the code must not
> process them in parallel because the crypto context cannot be shared.
> So there can be parallel crypto operations on one part of the write,
> but only one write bio can be processed at a time.

Could you explain this part please? Crypto tfm objects are meant
to be reentrant, synchronous or not.

Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


\
 
 \ /
  Last update: 2008-03-18 02:01    [W:0.135 / U:3.416 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site