In order to troubleshoot in which step we may block on during mount w/ checkpoint_disable mount option.
Signed-off-by: Chao Yu <[email protected]> --- fs/f2fs/super.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index c6afdbd6e1cd..ebd93047ebe9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2640,6 +2640,9 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) /* check if we need more GC first */ unusable = f2fs_get_unusable_blocks(sbi); + + f2fs_info(sbi, "%s starts, unusable: %u", __func__, unusable); + if (!f2fs_disable_cp_again(sbi, unusable)) goto skip_gc; @@ -2647,6 +2650,8 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) sbi->gc_mode = GC_URGENT_HIGH; + f2fs_info(sbi, "%s: run f2fs_gc() to migrate blocks", __func__); + while (!f2fs_time_over(sbi, DISABLE_TIME)) { struct f2fs_gc_control gc_control = { .victim_segno = NULL_SEGNO, @@ -2667,6 +2672,12 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) break; } + f2fs_info(sbi, "%s: call sync_filesystem() to persist meta: %lld, node: %lld, data: %lld", + __func__, + get_pages(sbi, F2FS_DIRTY_META), + get_pages(sbi, F2FS_DIRTY_NODES), + get_pages(sbi, F2FS_DIRTY_DATA)); + ret = sync_filesystem(sbi->sb); if (ret || err) { err = ret ? ret : err; @@ -2680,6 +2691,12 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) } skip_gc: + f2fs_info(sbi, "%s: call f2fs_write_checkpoint(), meta: %lld, node: %lld, data: %lld", + __func__, + get_pages(sbi, F2FS_DIRTY_META), + get_pages(sbi, F2FS_DIRTY_NODES), + get_pages(sbi, F2FS_DIRTY_DATA)); + f2fs_down_write_trace(&sbi->gc_lock, &lc); cpc.reason = CP_PAUSE; set_sbi_flag(sbi, SBI_CP_DISABLED); @@ -2697,7 +2714,7 @@ 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); + f2fs_info(sbi, "%s finishes, err:%d", __func__, err); return err; } -- 2.40.1 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
