f2fs: do not issue small discard commands during checkpoint

If there're huge # of small discards, this will increase checkpoint latency
insanely. Let's issue small discards only by trim.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 8c7af8b..0457d62 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2193,7 +2193,7 @@ find_next:
                        len = next_pos - cur_pos;
 
                        if (f2fs_sb_has_blkzoned(sbi) ||
-                           (force && len < cpc->trim_minlen))
+                                       !force || len < cpc->trim_minlen)
                                goto skip;
 
                        f2fs_issue_discard(sbi, entry->start_blkaddr + cur_pos,