Let's enable GC_URGENT_HIGH mode during f2fs_disable_checkpoint(),
so that we can use SSR allocator for GCed data/node persistence,
it can improve the performance due to it avoiding migration of
data/node locates in selected target segment of SSR allocator.
Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
{
unsigned int s_flags = sbi->sb->s_flags;
struct cp_control cpc;
+ unsigned int gc_mode;
int err = 0;
int ret;
block_t unusable;
f2fs_update_time(sbi, DISABLE_TIME);
+ gc_mode = sbi->gc_mode;
+ sbi->gc_mode = GC_URGENT_HIGH;
+
while (!f2fs_time_over(sbi, DISABLE_TIME)) {
f2fs_down_write(&sbi->gc_lock);
err = f2fs_gc(sbi, true, false, false, NULL_SEGNO);
out_unlock:
f2fs_up_write(&sbi->gc_lock);
restore_flag:
+ sbi->gc_mode = gc_mode;
sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
return err;
}