tree c200c19aca2faf22ad5c8636a3a783f8e26ef289
parent e1441b9a41c33aa9236008a7cfe49a8e723fb397
author Milan Broz <mbroz@redhat.com> 1214987668 +0100
committer Alasdair G Kergon <agk@redhat.com> 1214987668 +0100

dm crypt: use cond_resched

Add cond_resched() to prevent monopolising CPU when processing large bios.

dm-crypt processes encryption of bios in sector units.  If the bio request
is big it can spend a long time in the encryption call.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Tested-by: Yan Li <elliot.li.tech@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>