ext4: correct start of used group pa for debug in ext4_mb_use_group_pa

As we don't correct pa_lstart here, so there is no need to subtract
pa_lstart with consumed len.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Link: https://lore.kernel.org/r/20230303172120.3800725-6-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e549e88..0af2ac6 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4323,7 +4323,7 @@ static void ext4_mb_use_group_pa(struct ext4_allocation_context *ac,
         * Other CPUs are prevented from allocating from this pa by lg_mutex
         */
        mb_debug(ac->ac_sb, "use %u/%u from group pa %p\n",
-                pa->pa_lstart-len, len, pa);
+                pa->pa_lstart, len, pa);
 }
 
 /*