Commit 50379c9f authored by Trond Myklebust's avatar Trond Myklebust Committed by Anna Schumaker
Browse files

NFSv4/pNFS: Handle server reboots in pnfs_poc_release() 



If the server reboots, then handle it by deferring the layout return.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 6e7be9e7

fs/nfs/pnfs.c

+4 −2
Original line number Diff line number Diff line
@@ -1586,8 +1586,7 @@ int pnfs_roc_done(struct rpc_task *task, struct nfs4_layoutreturn_args **argpp, 
}



void pnfs_roc_release(struct nfs4_layoutreturn_args *args,

		struct nfs4_layoutreturn_res *res,

		int ret)

		      struct nfs4_layoutreturn_res *res, int ret)

{

	struct pnfs_layout_hdr *lo = args->layout;

	struct inode *inode = args->inode;
@@ -1595,6 +1594,9 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args, 
	struct nfs4_xdr_opaque_data *ld_private = args->ld_private;



	switch (ret) {

	case -NFS4ERR_BADSESSION:

	case -NFS4ERR_DEADSESSION:

	case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:

	case -NFS4ERR_NOMATCHING_LAYOUT:

		spin_lock(&inode->i_lock);

		pnfs_layoutreturn_retry_later_locked(lo, &args->stateid,