[PATCH] f2fs: fix to be aware discard IO in is_idle()

From: Chao Yu
Date: Wed Oct 24 2018 - 03:44:09 EST


This patch adds missing in-flight discard IO count check in is_idle().

Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
---
fs/f2fs/f2fs.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 6af2a105529d..c8005d271de0 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2156,7 +2156,8 @@ static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
{
if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
- get_pages(sbi, F2FS_WB_CP_DATA))
+ get_pages(sbi, F2FS_WB_CP_DATA) ||
+ atomic_read(&SM_I(sbi)->dcc_info->issing_discard))
return false;
return f2fs_time_over(sbi, type);
}
--
2.18.0.rc1