f2fs: do not use discard_map for hard disks

We don't need to keep discard_map, if disk does not support discard command.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index badd407bb622..af69d6bcfc3f 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -154,7 +154,9 @@ 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 += 3 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+        si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+        if (f2fs_discard_en(sbi))
+                si->base_mem += 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);