linux-kernel - [PATCH] f2fs: add radix_tree_preload

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Date:   Mon, 27 Mar 2023 22:58:00 +0900
From:   Yohan Joung <jyh429@...il.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yohan Joung <yohan.joung@...com>
Subject: [PATCH] f2fs: add radix_tree_preload_end in error case

To prevent excessive increase in preemption count
add radix_tree_preload_end in retry

Signed-off-by: Yohan Joung <yohan.joung@...com>
---
 fs/f2fs/checkpoint.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 1e0164cde23d..72205a9437b5 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -508,6 +508,7 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino,
 	if (!e) {
 		if (!new) {
 			spin_unlock(&im->ino_lock);
+			radix_tree_preload_end();
 			goto retry;
 		}
 		e = new;
-- 
2.25.1