tree 2c9055792b004d21a9ca52660b036ca92de057ea
parent 95dcf8350dc889e735d03c0debe2f7b26d243185
author Carl Henrik Lunde <chlunde@ping.uio.no> 1213294438 +0200
committer Linus Torvalds <torvalds@linux-foundation.org> 1213294857 -0700

block: disable IRQs until data is written to relay channel

As we may run relay_reserve from interrupt context we must always disable
IRQs.  This is because a call to relay_reserve may expose previously written
data to use space.

Updated new message code and an old but related comment.

Signed-off-by: Carl Henrik Lunde <chlunde@ping.uio.no>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>