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minix utils: de-inline bit ops (saves ~130 bytes)

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This commit is contained in:
Denis Vlasenko 2007-02-06 00:37:40 +00:00
parent dc485c9da6
commit cc24419e98
2 changed files with 40 additions and 18 deletions
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26
util-linux/mkfs_minix.c
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@ -142,21 +142,31 @@ static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
#define NORM_FIRSTZONE (2 + SB_IMAPS + SB_ZMAPS + INODE_BLOCKS)
static int bit(const char* a, unsigned i)
/* Before you ask "where they come from?": */
/* setbit/clrbit are supplied by sys/param.h */
static int minix_bit(const char* a, unsigned i)
{
return a[i >> 3] & (1<<(i & 7));
}
/* setbit/clrbit are supplied by sys/param.h */
static void minix_setbit(char *a, unsigned i)
{
setbit(a, i);
}
static void minix_clrbit(char *a, unsigned i)
{
clrbit(a, i);
}
/* Note: do not assume 0/1, it is 0/nonzero */
#define zone_in_use(x) bit(zone_map,(x)-SB_FIRSTZONE+1)
/*#define inode_in_use(x) bit(inode_map,(x))*/
#define zone_in_use(x) minix_bit(zone_map,(x)-SB_FIRSTZONE+1)
/*#define inode_in_use(x) minix_bit(inode_map,(x))*/
#define mark_inode(x) setbit(inode_map,(x))
#define unmark_inode(x) clrbit(inode_map,(x))
#define mark_zone(x) setbit(zone_map,(x)-SB_FIRSTZONE+1)
#define unmark_zone(x) clrbit(zone_map,(x)-SB_FIRSTZONE+1)
#define mark_inode(x) minix_setbit(inode_map,(x))
#define unmark_inode(x) minix_clrbit(inode_map,(x))
#define mark_zone(x) minix_setbit(zone_map,(x)-SB_FIRSTZONE+1)
#define unmark_zone(x) minix_clrbit(zone_map,(x)-SB_FIRSTZONE+1)
#ifndef BLKGETSIZE
# define BLKGETSIZE _IO(0x12,96) /* return device size */