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authorJaegeuk Kim <jaegeuk@kernel.org>2016-12-28 13:55:09 -0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-01-29 12:46:01 +0900
commit26a28a0c1eb756ba18bfb1f93309c4b4406b9cd9 (patch)
treeefacad1712cadc9258e021c9a107825a3872f04b /fs/f2fs/debug.c
parentec91538dccd44329ad83d3aae1aa6a8389b5c75f (diff)
downloadlinux-26a28a0c1eb756ba18bfb1f93309c4b4406b9cd9.tar.bz2
f2fs: show the max number of atomic operations
This patch adds to show the max number of atomic operations which are conducting concurrently. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/debug.c')
-rw-r--r--fs/f2fs/debug.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index fbd5184140d0..29cdf0c1da1d 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -50,6 +50,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
si->ndirty_all = sbi->ndirty_inode[DIRTY_META];
si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
+ si->aw_cnt = atomic_read(&sbi->aw_cnt);
+ si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt);
si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA);
si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
@@ -256,6 +258,8 @@ static int stat_show(struct seq_file *s, void *v)
si->inline_dir);
seq_printf(s, " - Orphan Inode: %u\n",
si->orphans);
+ seq_printf(s, " - Atomic write count: %4d (Max. %4d)\n",
+ si->aw_cnt, si->max_aw_cnt);
seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
si->main_area_segs, si->main_area_sections,
si->main_area_zones);
@@ -414,6 +418,9 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
atomic_set(&sbi->inline_dir, 0);
atomic_set(&sbi->inplace_count, 0);
+ atomic_set(&sbi->aw_cnt, 0);
+ atomic_set(&sbi->max_aw_cnt, 0);
+
mutex_lock(&f2fs_stat_mutex);
list_add_tail(&si->stat_list, &f2fs_stat_list);
mutex_unlock(&f2fs_stat_mutex);