[f2fs-dev] [PATCH] f2fs: remove unneeded write checkpoint in recover_fsync_data

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Previously, recover_fsync_data still to write checkpoint when there is
nothing to recover with normal umount image.
It may reduce mount performance and flash memory lifetime, so let's remove
it.

Signed-off-by: Tan Shu <shu.tan@xxxxxxxxxxx>
Signed-off-by: Yu Chao <chao2.yu@xxxxxxxxxxx>
---
 fs/f2fs/recovery.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 51ef5ee..6988e1b 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -419,6 +419,7 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
 {
 	struct list_head inode_list;
 	int err;
+	int is_writecp = 0;
 
 	fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry",
 			sizeof(struct fsync_inode_entry), NULL);
@@ -436,6 +437,8 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
 	if (list_empty(&inode_list))
 		goto out;
 
+	is_writecp = 1;
+
 	/* step #2: recover data */
 	err = recover_data(sbi, &inode_list, CURSEG_WARM_NODE);
 	BUG_ON(!list_empty(&inode_list));
@@ -443,7 +446,7 @@ out:
 	destroy_fsync_dnodes(&inode_list);
 	kmem_cache_destroy(fsync_entry_slab);
 	sbi->por_doing = 0;
-	if (!err)
+	if (!err && is_writecp)
 		write_checkpoint(sbi, false);
 	return err;
 }
---

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