pNFS: Mark layout for return if return-on-close was not sent
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Mon, 4 Jan 2021 18:35:46 +0000 (13:35 -0500)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Sun, 10 Jan 2021 18:32:51 +0000 (13:32 -0500)
If the layout return-on-close failed because the layoutreturn was never
sent, then we should mark the layout for return again.

Fixes: 9c47b18cf722 ("pNFS: Ensure we do clear the return-on-close layout stateid on fatal errors")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
fs/nfs/pnfs.c

index 07f59dc..ccc89fa 100644 (file)
@@ -1560,12 +1560,18 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args,
                int ret)
 {
        struct pnfs_layout_hdr *lo = args->layout;
+       struct inode *inode = args->inode;
        const nfs4_stateid *arg_stateid = NULL;
        const nfs4_stateid *res_stateid = NULL;
        struct nfs4_xdr_opaque_data *ld_private = args->ld_private;
 
        switch (ret) {
        case -NFS4ERR_NOMATCHING_LAYOUT:
+               spin_lock(&inode->i_lock);
+               if (pnfs_layout_is_valid(lo) &&
+                   nfs4_stateid_match_other(&args->stateid, &lo->plh_stateid))
+                       pnfs_set_plh_return_info(lo, args->range.iomode, 0);
+               spin_unlock(&inode->i_lock);
                break;
        case 0:
                if (res->lrs_present)