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nilfs2: use the BITS_PER_LONG macro

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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: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Huang Xiaojia <huangxiaojia2@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ryusuke Konishi 2024-08-27 02:41:10 +09:00 committed by Andrew Morton
parent 9abca1a71c
commit 21176c0ae4
1 changed files with 2 additions and 3 deletions
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5
fs/nilfs2/bmap.h
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@ -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)
{