From a66cdd985532e69999b79249cd3b4a6bccd0f84b Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Thu, 30 Apr 2015 22:37:50 -0700 Subject: f2fs: introduce discard_map for f2fs_trim_fs This patch adds a bitmap for discard issues from f2fs_trim_fs. There-in rule is to issue discard commands only for invalidated blocks after mount. Once mount is done, f2fs_trim_fs trims out whole invalid area. After ehn, it will not issue and discrads redundantly. Signed-off-by: Jaegeuk Kim --- fs/f2fs/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/f2fs/debug.c') diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index f5388f37217e..f50acbc50998 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -143,7 +143,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += sizeof(struct sit_info); si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); - si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); + si->base_mem += 3 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); si->base_mem += SIT_VBLOCK_MAP_SIZE; if (sbi->segs_per_sec > 1) si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); -- cgit v1.2.3