Commit 21176c0a authored by Ryusuke Konishi's avatar Ryusuke Konishi Committed by Andrew Morton
Browse files

nilfs2: use the BITS_PER_LONG macro 

The macros NILFS_BMAP_KEY_BIT and NILFS_BMAP_NEW_PTR_INIT calculate,
within their definitions, the number of bits in an unsigned long variable.
Use the BITS_PER_LONG macro to make them simpler.

Link: https://lkml.kernel.org/r/20240826174116.5008-3-konishi.ryusuke@gmail.com


Signed-off-by: default avatarRyusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Huang Xiaojia <huangxiaojia2@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 9abca1a7

fs/nilfs2/bmap.h

+2 −3
Original line number Diff line number Diff line
@@ -87,9 +87,8 @@ struct nilfs_bmap_operations { 




#define NILFS_BMAP_SIZE		(NILFS_INODE_BMAP_SIZE * sizeof(__le64))

#define NILFS_BMAP_KEY_BIT	(sizeof(unsigned long) * 8 /* CHAR_BIT */)

#define NILFS_BMAP_NEW_PTR_INIT	\

	(1UL << (sizeof(unsigned long) * 8 /* CHAR_BIT */ - 1))

#define NILFS_BMAP_KEY_BIT	BITS_PER_LONG

#define NILFS_BMAP_NEW_PTR_INIT	(1UL << (BITS_PER_LONG - 1))



static inline int nilfs_bmap_is_new_ptr(unsigned long ptr)

{