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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>
This commit is contained in:
Jeff Layton 2015-11-19 14:30:26 -05:00 committed by Trond Myklebust
parent f54423a1f8
commit 91ab4b4d16
2 changed files with 2 additions and 1 deletions
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2
fs/nfs/nfs4proc.c
View File

@ -7866,7 +7866,7 @@ static void nfs4_layoutget_done(struct rpc_task *task, void *calldata)
spin_unlock(&inode->i_lock);
goto out_restart;
}
if (nfs4_async_handle_error(task, server, state, NULL) == -EAGAIN)
if (nfs4_async_handle_error(task, server, state, &lgp->timeout) == -EAGAIN)
goto out_restart;
out:
dprintk("<-- %s\n", __func__);

1
include/linux/nfs_xdr.h
View File

@ -251,6 +251,7 @@ struct nfs4_layoutget {
struct nfs4_layoutget_res res;
struct rpc_cred *cred;
gfp_t gfp_flags;
long timeout;
};
struct nfs4_getdeviceinfo_args {