[PATCH 10/10] ext4: correct some stale comment of criteria

From: Kemeng Shi
Date: Fri Jul 21 2023 - 05:10:22 EST


We named criteria with CR_XXX, correct stale comment to criteria with
raw number.

Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
fs/ext4/mballoc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index b04eceeab967..e30494f3d289 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2778,8 +2778,8 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)

/*
* ac->ac_2order is set only if the fe_len is a power of 2
- * if ac->ac_2order is set we also set criteria to 0 so that we
- * try exact allocation using buddy.
+ * if ac->ac_2order is set we also set criteria to CR_POWER2_ALIGNED
+ * so that we try exact allocation using buddy.
*/
i = fls(ac->ac_g_ex.fe_len);
ac->ac_2order = 0;
@@ -2836,8 +2836,8 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
/*
* Batch reads of the block allocation bitmaps
* to get multiple READs in flight; limit
- * prefetching at cr=0/1, otherwise mballoc can
- * spend a lot of time loading imperfect groups
+ * prefetching at cr below CR_FAST, otherwise mballoc
+ * can spend a lot of time loading imperfect groups
*/
if ((prefetch_grp == group) &&
(cr >= CR_FAST ||
--
2.30.0