tree 08770de9bb0e658f2e65abd4d10187b3e9f6bb1b
parent f11fcae8401a3175f528e2f7917362645d570111
author Jens Axboe <jens.axboe@oracle.com> 1252926760 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1253107131 +0200

writeback: use RCU to protect bdi_list

Now that bdi_writeback_all() no longer handles integrity writeback,
it doesn't have to block anymore. This means that we can switch
bdi_list reader side protection to RCU.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>