f2fs: allow cpc->reason to indicate more than one reason
Change to use different bits of cpc->reason to indicate different status,
so cpc->reason can indicate more than one reason.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 800be94..2757890 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1054,17 +1054,17 @@
spin_lock(&sbi->cp_lock);
- if (cpc->reason == CP_UMOUNT &&
+ if ((cpc->reason & CP_UMOUNT) &&
le32_to_cpu(ckpt->cp_pack_total_block_count) >
sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks)
disable_nat_bits(sbi, false);
- if (cpc->reason == CP_UMOUNT)
+ 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)
+ if (cpc->reason & CP_FASTBOOT)
__set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
else
__clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
@@ -1272,8 +1272,8 @@
mutex_lock(&sbi->cp_mutex);
if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
- (cpc->reason == CP_FASTBOOT || cpc->reason == CP_SYNC ||
- (cpc->reason == CP_DISCARD && !sbi->discard_blks)))
+ ((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
+ ((cpc->reason & CP_DISCARD) && !sbi->discard_blks)))
goto out;
if (unlikely(f2fs_cp_error(sbi))) {
err = -EIO;
@@ -1295,7 +1295,7 @@
f2fs_flush_merged_bios(sbi);
/* this is the case of multiple fstrims without any changes */
- if (cpc->reason == CP_DISCARD) {
+ if (cpc->reason & CP_DISCARD) {
if (!exist_trim_candidates(sbi, cpc)) {
unblock_operations(sbi);
goto out;
@@ -1333,7 +1333,7 @@
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
- if (cpc->reason == CP_RECOVERY)
+ if (cpc->reason & CP_RECOVERY)
f2fs_msg(sbi->sb, KERN_NOTICE,
"checkpoint: version = %llx", ckpt_ver);