f2fs: use atomic for counting inode with inline_{dir,inode} flag
As inline_{dir,inode} stat is increased/decreased concurrently by multi threads,
so the value is not so accurate, let's use atomic type for counting accurately.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 4e2e39c..91e8f69 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -46,8 +46,8 @@
si->valid_count = valid_user_blocks(sbi);
si->valid_node_count = valid_node_count(sbi);
si->valid_inode_count = valid_inode_count(sbi);
- si->inline_inode = sbi->inline_inode;
- si->inline_dir = sbi->inline_dir;
+ si->inline_inode = atomic_read(&sbi->inline_inode);
+ si->inline_dir = atomic_read(&sbi->inline_dir);
si->utilization = utilization(sbi);
si->free_segs = free_segments(sbi);
@@ -329,6 +329,9 @@
si->sbi = sbi;
sbi->stat_info = si;
+ atomic_set(&sbi->inline_inode, 0);
+ atomic_set(&sbi->inline_dir, 0);
+
mutex_lock(&f2fs_stat_mutex);
list_add_tail(&si->stat_list, &f2fs_stat_list);
mutex_unlock(&f2fs_stat_mutex);