Patch "NFS: More fixes for nfs_direct_write_reschedule_io()" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    NFS: More fixes for nfs_direct_write_reschedule_io()

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nfs-more-fixes-for-nfs_direct_write_reschedule_io.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit d79d0562fe7befd6610837c6ccbbd5cb39bc1e5f
Author: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Date:   Mon Sep 4 12:34:41 2023 -0400

    NFS: More fixes for nfs_direct_write_reschedule_io()
    
    [ Upstream commit b11243f720ee5f9376861099019c8542969b6318 ]
    
    Ensure that all requests are put back onto the commit list so that they
    can be rescheduled.
    
    Fixes: 4daaeba93822 ("NFS: Fix nfs_direct_write_reschedule_io()")
    Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
    Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 5d86ffa72ceab..bbe2a5cc49f68 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -786,16 +786,21 @@ static void nfs_write_sync_pgio_error(struct list_head *head, int error)
 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;
 
+	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;
-		/* 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;
-	}
+	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);
+	}
 }
 
 static const struct nfs_pgio_completion_ops nfs_direct_write_completion_ops = {



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