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f2fs: enhance f2fs_is_checkpoint_ready()'s readability

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This patch changes sematics of f2fs_is_checkpoint_ready()'s return
value as: return true when checkpoint is ready, other return false,
it can improve readability of below conditions.

f2fs_submit_page_write()
...
	if (is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN) ||
				!f2fs_is_checkpoint_ready(sbi))
		__submit_merged_bio(io);

f2fs_balance_fs()
...
	if (!f2fs_is_checkpoint_ready(sbi))
		return;

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2019-08-23 17:58:36 +08:00
committed by Jaegeuk Kim
parent b757f6edbe
commit 00e09c0bcc
7 changed files with 34 additions and 44 deletions
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8
fs/f2fs/segment.h
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@@ -586,13 +586,13 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi,
reserved_sections(sbi) + needed);
}
static inline int f2fs_is_checkpoint_ready(struct f2fs_sb_info *sbi)
static inline bool f2fs_is_checkpoint_ready(struct f2fs_sb_info *sbi)
{
if (likely(!is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
return 0;
return true;
if (likely(!has_not_enough_free_secs(sbi, 0, 0)))
return 0;
return -ENOSPC;
return true;
return false;
}
static inline bool excess_prefree_segs(struct f2fs_sb_info *sbi)