[PATCH 6.1 1/6] Revert "NFS: More fixes for nfs_direct_write_reschedule_io()"

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

This reverts commit edd1f06145101dab83497806bb6162641255ef50 which is
commit b11243f720ee5f9376861099019c8542969b6318 upstream.

There are reported NFS problems in the 6.1.56 release, so revert a set
of NFS patches to hopefully resolve the issue.

Reported-by: poester <poester@xxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231012165439.137237-2-kernel@xxxxxxxxxxxx
Reported-by: Daniel Díaz <daniel.diaz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/2023100755-livestock-barcode-fe41@gregkh
Cc: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Cc: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Cc: Sasha Levin <sashal@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/nfs/direct.c |   17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -782,23 +782,18 @@ static void nfs_write_sync_pgio_error(st
 static void nfs_direct_write_reschedule_io(struct nfs_pgio_header *hdr)
 {
 	struct nfs_direct_req *dreq = hdr->dreq;
-	struct nfs_page *req;
-	struct nfs_commit_info cinfo;
 
 	trace_nfs_direct_write_reschedule_io(dreq);
 
-	nfs_init_cinfo_from_dreq(&cinfo, dreq);
 	spin_lock(&dreq->lock);
-	if (dreq->error == 0)
+	if (dreq->error == 0) {
 		dreq->flags = NFS_ODIRECT_RESCHED_WRITES;
-	set_bit(NFS_IOHDR_REDO, &hdr->flags);
-	spin_unlock(&dreq->lock);
-	while (!list_empty(&hdr->pages)) {
-		req = nfs_list_entry(hdr->pages.next);
-		nfs_list_remove_request(req);
-		nfs_unlock_request(req);
-		nfs_mark_request_commit(req, NULL, &cinfo, 0);
+		/* fake unstable write to let common nfs resend pages */
+		hdr->verf.committed = NFS_UNSTABLE;
+		hdr->good_bytes = hdr->args.offset + hdr->args.count -
+			hdr->io_start;
 	}
+	spin_unlock(&dreq->lock);
 }
 
 static const struct nfs_pgio_completion_ops nfs_direct_write_completion_ops = {





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