[PATCH v2] f2fs: improve sbi status info in debugfs/f2fs/status

From: Yangtao Li
Date: Wed Aug 11 2021 - 00:47:53 EST


Do not use numbers but strings to improve readability when flag is set.

Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
---
v2:
-starting to print sb related status in a new line
fs/f2fs/debug.c | 31 ++++++++++++++++++++++++++-----
1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 473ad04d1891..d8c09346545d 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -323,22 +323,43 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
#endif
}

+static char *s_flag[] = {
+ [SBI_IS_DIRTY] = " fs_dirty",
+ [SBI_IS_CLOSE] = " closing",
+ [SBI_NEED_FSCK] = " need_fsck",
+ [SBI_POR_DOING] = " recovering",
+ [SBI_NEED_SB_WRITE] = " sb_dirty",
+ [SBI_NEED_CP] = " need_cp",
+ [SBI_IS_SHUTDOWN] = " shutdown",
+ [SBI_IS_RECOVERED] = " recovered",
+ [SBI_CP_DISABLED] = " cp_disabled",
+ [SBI_CP_DISABLED_QUICK] = " cp_disabled_quick",
+ [SBI_QUOTA_NEED_FLUSH] = " quota_need_flush",
+ [SBI_QUOTA_SKIP_FLUSH] = " quota_skip_flush",
+ [SBI_QUOTA_NEED_REPAIR] = " quota_need_repair",
+ [SBI_IS_RESIZEFS] = " resizefs",
+};
+
static int stat_show(struct seq_file *s, void *v)
{
struct f2fs_stat_info *si;
- int i = 0;
- int j;
+ int i = 0, j = 0;

mutex_lock(&f2fs_stat_mutex);
list_for_each_entry(si, &f2fs_stat_list, stat_list) {
update_general_status(si->sbi);

- seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s (sbi: 0x%lx)]=====\n",
+ seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s]=====\n",
si->sbi->sb->s_bdev, i++,
f2fs_readonly(si->sbi->sb) ? "RO": "RW",
is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ?
- "Disabled": (f2fs_cp_error(si->sbi) ? "Error": "Good"),
- si->sbi->s_flag);
+ "Disabled" : (f2fs_cp_error(si->sbi) ? "Error" : "Good"));
+ if (si->sbi->s_flag) {
+ seq_puts(s, "[SBI:");
+ for_each_set_bit(j, &si->sbi->s_flag, 32)
+ seq_puts(s, s_flag[j]);
+ seq_puts(s, "]\n");
+ }
seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
si->sit_area_segs, si->nat_area_segs);
seq_printf(s, "[SSA: %d] [MAIN: %d",
--
2.32.0