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f2fs: dump more information for f2fs_{enable,disable}_checkpoint()

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Changes as below:
- print more logs for f2fs_{enable,disable}_checkpoint()
- account and dump time stats for f2fs_enable_checkpoint()

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2025-08-07 12:00:26 +08:00
committed by Jaegeuk Kim
parent 4bc3477796
commit 80b6d1d253
1 changed files with 16 additions and 0 deletions
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16
fs/f2fs/super.c
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@@ -2589,15 +2589,24 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
restore_flag:
sbi->gc_mode = gc_mode;
sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
f2fs_info(sbi, "f2fs_disable_checkpoint() finish, err:%d", err);
return err;
}
static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
{
unsigned int nr_pages = get_pages(sbi, F2FS_DIRTY_DATA) / 16;
long long start, writeback, end;
f2fs_info(sbi, "f2fs_enable_checkpoint() starts, meta: %lld, node: %lld, data: %lld",
get_pages(sbi, F2FS_DIRTY_META),
get_pages(sbi, F2FS_DIRTY_NODES),
get_pages(sbi, F2FS_DIRTY_DATA));
f2fs_update_time(sbi, ENABLE_TIME);
start = ktime_get();
/* we should flush all the data to keep data consistency */
while (get_pages(sbi, F2FS_DIRTY_DATA)) {
writeback_inodes_sb_nr(sbi->sb, nr_pages, WB_REASON_SYNC);
@@ -2606,6 +2615,7 @@ static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
if (f2fs_time_over(sbi, ENABLE_TIME))
break;
}
writeback = ktime_get();
sync_inodes_sb(sbi->sb);
@@ -2624,6 +2634,12 @@ static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
/* Let's ensure there's no pending checkpoint anymore */
f2fs_flush_ckpt_thread(sbi);
end = ktime_get();
f2fs_info(sbi, "f2fs_enable_checkpoint() finishes, writeback:%llu, sync:%llu",
ktime_ms_delta(writeback, start),
ktime_ms_delta(end, writeback));
}
static int __f2fs_remount(struct fs_context *fc, struct super_block *sb)