tree 293bc2bcc7cf7a175786ec33a4e2aff8c5c7ebca
parent 5ae67c4fee869c9b3c87b727a9ea511b6326b834
author Trond Myklebust <Trond.Myklebust@netapp.com> 1331999970 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1332263306 -0400

NFS: Use cond_resched_lock() to reduce latencies in the commit scans

Ensure that we conditionally drop the inode->i_lock when it is safe
to do so in the commit loops.
We do so after locking the nfs_page, but before removing it from the
commit list. We can then use list_safe_reset_next to recover the loop
after the lock is retaken.

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