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f2fs: introduce cp_control structure

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This patch add a new data structure to control checkpoint parameters.
Currently, it presents the reason of checkpoint such as is_umount and normal
sync.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2014-09-20 21:57:51 -07:00
parent 95dd897301
commit 75ab4cb830
6 changed files with 47 additions and 20 deletions
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13
fs/f2fs/super.c
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@@ -434,8 +434,12 @@ static void f2fs_put_super(struct super_block *sb)
stop_gc_thread(sbi);
/* We don't need to do checkpoint when it's clean */
if (sbi->s_dirty)
write_checkpoint(sbi, true);
if (sbi->s_dirty) {
struct cp_control cpc = {
.reason = CP_UMOUNT,
};
write_checkpoint(sbi, &cpc);
}
/*
* normally superblock is clean, so we need to release this.
@@ -466,8 +470,11 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
trace_f2fs_sync_fs(sb, sync);
if (sync) {
struct cp_control cpc = {
.reason = CP_SYNC,
};
mutex_lock(&sbi->gc_mutex);
write_checkpoint(sbi, false);
write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
} else {
f2fs_balance_fs(sbi);