From: yegorslists@googlemail.com
To: barebox@lists.infradead.org
Subject: [PATCH 1/2] linux/types.h: add sector_t and blkcnt_t types
Date: Thu, 11 Feb 2016 15:53:03 +0100 [thread overview]
Message-ID: <1455202384-9628-1-git-send-email-yegorslists@googlemail.com> (raw)
From: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
include/linux/types.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/linux/types.h b/include/linux/types.h
index 9f8eb67..f64ec4a 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -157,6 +157,22 @@ typedef __u32 __bitwise __wsum;
#define __aligned_be64 __be64 __attribute__((aligned(8)))
#define __aligned_le64 __le64 __attribute__((aligned(8)))
+/**
+ * The type used for indexing onto a disc or disc partition.
+ *
+ * Linux always considers sectors to be 512 bytes long independently
+ * of the devices real block size.
+ *
+ * blkcnt_t is the type of the inode's block count.
+ */
+#ifdef CONFIG_LBDAF
+typedef u64 sector_t;
+typedef u64 blkcnt_t;
+#else
+typedef unsigned long sector_t;
+typedef unsigned long blkcnt_t;
+#endif
+
/*
* The type of an index into the pagecache.
*/
--
2.1.4
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next reply other threads:[~2016-02-11 14:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-11 14:53 yegorslists [this message]
2016-02-11 14:53 ` [PATCH 2/2] linux/fs.h: add types and routines needed for SquashFS yegorslists
2016-02-12 7:39 ` [PATCH 1/2] linux/types.h: add sector_t and blkcnt_t types Sascha Hauer
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