[PATCH] f2fs: introduce update_ckpt_flags to clean up

From: Jaegeuk Kim
Date: Fri Sep 30 2016 - 20:56:23 EST


This patch add update_ckpt_flags() to clean up the flow.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/checkpoint.c | 56 +++++++++++++++++++++++++++++++---------------------
1 file changed, 33 insertions(+), 23 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 7e26328..7e9b504 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1006,6 +1006,37 @@ static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi)
finish_wait(&sbi->cp_wait, &wait);
}

+static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+{
+ unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num;
+ struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
+
+ spin_lock(&sbi->cp_lock);
+
+ if (cpc->reason == CP_UMOUNT)
+ __set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
+
+ if (cpc->reason == CP_FASTBOOT)
+ __set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
+
+ if (orphan_num)
+ __set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
+ __set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+
+ /* set this flag to activate crc|cp_ver for recovery */
+ __set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
+
+ spin_unlock(&sbi->cp_lock);
+}
+
static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
@@ -1080,29 +1111,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
cp_payload_blks + data_sum_blocks +
orphan_blocks);

- spin_lock(&sbi->cp_lock);
- if (cpc->reason == CP_UMOUNT)
- __set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
- else
- __clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
-
- if (cpc->reason == CP_FASTBOOT)
- __set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
- else
- __clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
-
- if (orphan_num)
- __set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
- else
- __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
-
- if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
- __set_ckpt_flags(ckpt, CP_FSCK_FLAG);
-
- /* set this flag to activate crc|cp_ver for recovery */
- __set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
-
- spin_unlock(&sbi->cp_lock);
+ /* update ckpt flag for checkpoint */
+ update_ckpt_flags(sbi, cpc);

/* update SIT/NAT bitmap */
get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
--
2.8.3