nfs: use sliding delay when LAYOUTGET gets NFS4ERR_DELAY
authorJeff Layton <jlayton@poochiereds.net>
Thu, 19 Nov 2015 19:30:26 +0000 (14:30 -0500)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Tue, 24 Nov 2015 02:57:44 +0000 (21:57 -0500)
commit91ab4b4d16e6649fbbf65f303c0c4e20ed680bd1
tree14ddd8ebe52a5edbaf0a8b4db8fc73a5b368de78
parentf54423a1f8fb0da4226a982618d2c703e413d4d6
nfs: use sliding delay when LAYOUTGET gets NFS4ERR_DELAY

When LAYOUTGET gets NFS4ERR_DELAY, we currently will wait 15s before
retrying the call. That is a _very_ long time, so add a timeout value to
struct nfs4_layoutget and pass nfs4_async_handle_error a pointer to it.
This allows the RPC engine to use a sliding delay window, instead of a
15s delay.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
fs/nfs/nfs4proc.c
include/linux/nfs_xdr.h