tree 146195e891a2fd63e3fc91f803547abb904b2087
parent c3b92c8787367a8bb53d57d9789b558f1295cc96
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1313472010 +0530
committer Eric Van Hensbergen <ericvh@gmail.com> 1319472791 -0500

fs/9p: Update zero-copy implementation in 9p

* remove lot of update to different data structure
* add a seperate callback for zero copy request.
* above makes non zero copy code path simpler
* remove conditionalizing TREAD/TREADDIR/TWRITE in the zero copy path
* Fix the dotu p9_check_errors with zero copy. Add sufficient doc around
* Add support for both in and output buffers in zero copy callback
* pin and unpin pages in the same context
* use helpers instead of defining page offset and rest of page ourself
* Fix mem leak in p9_check_errors
* Remove 'E' and 'F' in p9pdu_vwritef

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>