On Fri, 07 Jun 2013 23:47:33 -0400
Richard Yao r...@gentoo.org wrote:
When you use dm-crypt, block IO requests to a dm-* device will invoke
dm_request_fn() - map_request() - crypt_map(). If a BIO is a write
barrier, crypt_map() will return DM_MAPIO_REMAPPED to map_request(),
which will
On 06/08/2013 02:11 AM, Sergei Trofimovich wrote:
On Fri, 07 Jun 2013 23:47:33 -0400
Richard Yao r...@gentoo.org wrote:
When you use dm-crypt, block IO requests to a dm-* device will invoke
dm_request_fn() - map_request() - crypt_map(). If a BIO is a write
barrier, crypt_map() will return
When you use dm-crypt, block IO requests to a dm-* device will invoke
dm_request_fn() - map_request() - crypt_map(). If a BIO is a write
barrier, crypt_map() will return DM_MAPIO_REMAPPED to map_request(),
which will immediately queue it to the device.
If a few dozen IOs are queued in rapid
