NFSv4: Report the error from nfs4_select_rw_stateid()

In pnfs_update_layout() ensure that we do report any fatal errors from
nfs4_select_rw_stateid().

Fixes: d9aba2b40de6 ("NFSv4: Don't use the zero stateid with layoutget")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 75bd5b5..4525d5a 100644 (file)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1903,12 +1903,6 @@ lookup_again:
                goto out_unlock;
        }
 
-       if (!nfs4_valid_open_stateid(ctx->state)) {
-               trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
-                               PNFS_UPDATE_LAYOUT_INVALID_OPEN);
-               goto out_unlock;
-       }
-
        /*
         * Choose a stateid for the LAYOUTGET. If we don't have a layout
         * stateid, or it has been invalidated, then we must use the open
@@ -1939,6 +1933,7 @@ lookup_again:
                                        iomode == IOMODE_RW ? FMODE_WRITE : FMODE_READ,
                                        NULL, &stateid, NULL);
                if (status != 0) {
+                       lseg = ERR_PTR(status);
                        trace_pnfs_update_layout(ino, pos, count,
                                        iomode, lo, lseg,
                                        PNFS_UPDATE_LAYOUT_INVALID_OPEN);