From 982b8cc116118b3463d3f332581945625722acd8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 09 Jan 2024 02:10:54 +0000
Subject: [PATCH] add poweroff command

---
 kernel/drivers/md/dm-log.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/drivers/md/dm-log.c b/kernel/drivers/md/dm-log.c
index 33e71ea..fe3a947 100644
--- a/kernel/drivers/md/dm-log.c
+++ b/kernel/drivers/md/dm-log.c
@@ -415,8 +415,7 @@
 	/*
 	 * Work out how many "unsigned long"s we need to hold the bitset.
 	 */
-	bitset_size = dm_round_up(region_count,
-				  sizeof(*lc->clean_bits) << BYTE_SHIFT);
+	bitset_size = dm_round_up(region_count, BITS_PER_LONG);
 	bitset_size >>= BYTE_SHIFT;
 
 	lc->bitset_uint32_count = bitset_size / sizeof(*lc->clean_bits);
@@ -616,7 +615,7 @@
 			log_clear_bit(lc, lc->clean_bits, i);
 
 	/* clear any old bits -- device has shrunk */
-	for (i = lc->region_count; i % (sizeof(*lc->clean_bits) << BYTE_SHIFT); i++)
+	for (i = lc->region_count; i % BITS_PER_LONG; i++)
 		log_clear_bit(lc, lc->clean_bits, i);
 
 	/* copy clean across to sync */

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