From 9925b6e7548d65696f745732617d25481b76acbe Mon Sep 17 00:00:00 2001
From: Bernd Schubert <bschubert@ddn.com>
Date: Tue, 15 Apr 2025 22:03:09 +0200
Subject: Add container_of and ROUND_UP macros

Needed by follow up commits. container_of is actually
just moved/consolidated to util.h.

Signed-off-by: Bernd Schubert <bschubert@ddn.com>
(cherry picked from commit c5a032b3410d7225ac0355355faa63565a209943)
---
 lib/util.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/util.h')

diff --git a/lib/util.h b/lib/util.h
index 508fafb..ed03ad4 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -30,4 +30,10 @@ static inline uint64_t fuse_higher_32_bits(uint64_t nr)
 #define FUSE_VAR_UNUSED(var) (__attribute__((unused)) var)
 #endif
 
+#define container_of(ptr, type, member)                      \
+	({                                                   \
+		unsigned long __mptr = (unsigned long)(ptr); \
+		((type *)(__mptr - offsetof(type, member))); \
+	})
+
 #endif
-- 
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