[PATCH 1/5] f2fs: show # of APPEND and UPDATE inodes

From: Jaegeuk Kim
Date: Fri Feb 03 2017 - 18:48:24 EST


This patch shows cached # of APPEND and UPDATE inode entries.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/debug.c | 6 ++++--
fs/f2fs/f2fs.h | 2 +-
2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 0ca977a94c13..de8da9fc5c99 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -70,6 +70,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->inline_xattr = atomic_read(&sbi->inline_xattr);
si->inline_inode = atomic_read(&sbi->inline_inode);
si->inline_dir = atomic_read(&sbi->inline_dir);
+ si->append = sbi->im[APPEND_INO].ino_num;
+ si->update = sbi->im[UPDATE_INO].ino_num;
si->orphans = sbi->im[ORPHAN_INO].ino_num;
si->utilization = utilization(sbi);

@@ -264,8 +266,8 @@ static int stat_show(struct seq_file *s, void *v)
si->inline_inode);
seq_printf(s, " - Inline_dentry Inode: %u\n",
si->inline_dir);
- seq_printf(s, " - Orphan Inode: %u\n",
- si->orphans);
+ seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n",
+ si->orphans, si->append, si->update);
seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
si->main_area_segs, si->main_area_sections,
si->main_area_zones);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e97b4a0453d8..23b34d01e454 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2293,7 +2293,7 @@ struct f2fs_stat_info {
int nats, dirty_nats, sits, dirty_sits, free_nids, alloc_nids;
int total_count, utilization;
int bg_gc, nr_wb_cp_data, nr_wb_data, nr_flush, nr_discard;
- int inline_xattr, inline_inode, inline_dir, orphans;
+ int inline_xattr, inline_inode, inline_dir, append, update, orphans;
int aw_cnt, max_aw_cnt;
unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
unsigned int bimodal, avg_vblocks;
--
2.11.0