FAILED: patch "[PATCH] btrfs: fix fsverify read error handling in end_page_read" failed to apply to 6.4-stable tree

[<gregkh@xxxxxxxxxxxxxxxxxxx>]

The patch below does not apply to the 6.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.4.y
git checkout FETCH_HEAD
git cherry-pick -x 2c14f0ffdd30bd3d321ad5fe76fcf701746e1df6
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023071642-refinish-raking-4c3a@gregkh' --subject-prefix 'PATCH 6.4.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From 2c14f0ffdd30bd3d321ad5fe76fcf701746e1df6 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 31 May 2023 08:04:52 +0200
Subject: [PATCH] btrfs: fix fsverify read error handling in end_page_read

Also clear the uptodate bit to make sure the page isn't seen as uptodate
in the page cache if fsverity verification fails.

Fixes: 146054090b08 ("btrfs: initial fsverity support")
CC: stable@xxxxxxxxxxxxxxx # 5.15+
Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 8e42ce48b52e..a943a6622489 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -497,12 +497,8 @@ static void end_page_read(struct page *page, bool uptodate, u64 start, u32 len)
 	ASSERT(page_offset(page) <= start &&
 	       start + len <= page_offset(page) + PAGE_SIZE);
 
-	if (uptodate) {
-		if (!btrfs_verify_page(page, start)) {
-			btrfs_page_set_error(fs_info, page, start, len);
-		} else {
-			btrfs_page_set_uptodate(fs_info, page, start, len);
-		}
+	if (uptodate && btrfs_verify_page(page, start)) {
+		btrfs_page_set_uptodate(fs_info, page, start, len);
 	} else {
 		btrfs_page_clear_uptodate(fs_info, page, start, len);
 		btrfs_page_set_error(fs_info, page, start, len);