From aaec2b1d18792a5f27b69ff37f34f43f89f5aa3b Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Tue, 20 Sep 2016 11:04:18 +0800 Subject: f2fs: introduce cp_lock to protect updating of ckpt_flags This patch introduces spinlock to protect updating process of ckpt_flags field in struct f2fs_checkpoint, it avoids incorrectly updating in race condition. Signed-off-by: Chao Yu [Jaegeuk Kim: add __is_set_ckpt_flags likewise __set_ckpt_flags] Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/f2fs/segment.c') diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 2d23d7b17d6c..e78501ca761e 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1801,7 +1801,7 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi) int type = CURSEG_HOT_DATA; int err; - if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_COMPACT_SUM_FLAG)) { + if (is_set_ckpt_flags(sbi, CP_COMPACT_SUM_FLAG)) { int npages = npages_for_summary_flush(sbi, true); if (npages >= 2) @@ -1898,7 +1898,7 @@ static void write_normal_summaries(struct f2fs_sb_info *sbi, void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk) { - if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_COMPACT_SUM_FLAG)) + if (is_set_ckpt_flags(sbi, CP_COMPACT_SUM_FLAG)) write_compacted_summaries(sbi, start_blk); else write_normal_summaries(sbi, start_blk, CURSEG_HOT_DATA); -- cgit v1.2.3