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NFSv4/pNFS: Handle server reboots in pnfs_poc_release()

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

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2024-06-13 01:00:51 -04:00 committed by Anna Schumaker
parent 6e7be9e7b7
commit 50379c9f09
1 changed files with 4 additions and 2 deletions
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6
fs/nfs/pnfs.c
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@ -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,