From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Fri, 17 Jun 2016 20:48:19 +0000 (-0400)
Subject: NFSv4.1/pnfs: Layout stateids start out as being invalid
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=67a3b721462c9b3bdc36ad6a583f41706402b3ea;p=linux-beck.git

NFSv4.1/pnfs: Layout stateids start out as being invalid

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 0c7e0d45a4de..f619139621ec 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1290,6 +1290,7 @@ alloc_init_layout_hdr(struct inode *ino,
 	INIT_LIST_HEAD(&lo->plh_bulk_destroy);
 	lo->plh_inode = ino;
 	lo->plh_lc_cred = get_rpccred(ctx->cred);
+	lo->plh_flags |= 1 << NFS_LAYOUT_INVALID_STID;
 	return lo;
 }
 
@@ -1565,8 +1566,7 @@ lookup_again:
 	 * stateid, or it has been invalidated, then we must use the open
 	 * stateid.
 	 */
-	if (lo->plh_stateid.seqid == 0 ||
-	    test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags)) {
+	if (test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags)) {
 
 		/*
 		 * The first layoutget for the file. Need to serialize per