tree c8a56c56740efa728b7d3b935b6cb09330a4817f
parent 816724e65c72a90a44fbad0ef0b59b186c85fa90
author Chuck Lever <cel@netapp.com> 1150822519 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1151169098 -0400

NFS: Separate functions for counting outstanding NFS direct I/Os

Factor out the logic that increments and decrements the outstanding I/O
count.  This will be a commonly used bit of code in upcoming patches.
Also make this an atomic_t again, since it will be very often manipulated
outside dreq->spin lock.

Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>