FAILED: patch "[PATCH] f2fs: fix to reset all pinned status during fggc" failed to apply to 6.18-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 6.18-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@vger.kernel.org>.

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-6.18.y
git checkout FETCH_HEAD
git cherry-pick -x 2b8704b6a8b2896ccad1f5941d9a3e2c5031a470
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026090944-reprint-spruce-0599@gregkh' --subject-prefix 'PATCH 6.18.y' 'HEAD^..'

Possible dependencies:



thanks,

greg k-h

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

From 2b8704b6a8b2896ccad1f5941d9a3e2c5031a470 Mon Sep 17 00:00:00 2001
From: Chao Yu <chao@kernel.org>
Date: Mon, 17 Aug 2026 02:39:27 +0000
Subject: [PATCH] f2fs: fix to reset all pinned status during fggc

Otherwise, the pinned status may affect latter flow of fggc.

Cc: stable@kernel.org
Fixes: 9703d69d9d15 ("f2fs: support file pinning for zoned devices")
Cc: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 5917ee917d87..0c17038fcfd7 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -2183,6 +2183,9 @@ int f2fs_gc_range(struct f2fs_sb_info *sbi,
 		do_garbage_collect(sbi, segno, &gc_list, FG_GC, true, false);
 		put_gc_inode(&gc_list);
 
+		/* reset all pinned status during fggc */
+		f2fs_unpin_all_sections(sbi, true);
+
 		if (!dry_run && get_valid_blocks(sbi, segno, true)) {
 			err = -EAGAIN;
 			goto next;