ceph: make logical calculation functions return bool

This patch makes serverl logical caculation functions return bool to
improve readability due to these particular functions only using 0/1
as their return value.

No functional change.

Signed-off-by: Zhang Zhuoyu <zhangzhuoyu@cmss.chinamobile.com>
This commit is contained in:
Zhang Zhuoyu
2016-03-25 05:18:39 -04:00
committed by Ilya Dryomov
parent 224a7542b8
commit 3b33f692c8
6 changed files with 9 additions and 9 deletions

View File

@@ -51,11 +51,11 @@ static inline __u32 ceph_frag_make_child(__u32 f, int by, int i)
return ceph_frag_make(newbits,
ceph_frag_value(f) | (i << (24 - newbits)));
}
static inline int ceph_frag_is_leftmost(__u32 f)
static inline bool ceph_frag_is_leftmost(__u32 f)
{
return ceph_frag_value(f) == 0;
}
static inline int ceph_frag_is_rightmost(__u32 f)
static inline bool ceph_frag_is_rightmost(__u32 f)
{
return ceph_frag_value(f) == ceph_frag_mask(f);
}

View File

@@ -47,7 +47,7 @@ static inline void ceph_decode_copy(void **p, void *pv, size_t n)
/*
* bounds check input.
*/
static inline int ceph_has_room(void **p, void *end, size_t n)
static inline bool ceph_has_room(void **p, void *end, size_t n)
{
return end >= *p && n <= end - *p;
}

View File

@@ -172,19 +172,19 @@ struct ceph_osdmap {
int crush_scratch_ary[CEPH_PG_MAX_SIZE * 3];
};
static inline int ceph_osd_exists(struct ceph_osdmap *map, int osd)
static inline bool ceph_osd_exists(struct ceph_osdmap *map, int osd)
{
return osd >= 0 && osd < map->max_osd &&
(map->osd_state[osd] & CEPH_OSD_EXISTS);
}
static inline int ceph_osd_is_up(struct ceph_osdmap *map, int osd)
static inline bool ceph_osd_is_up(struct ceph_osdmap *map, int osd)
{
return ceph_osd_exists(map, osd) &&
(map->osd_state[osd] & CEPH_OSD_UP);
}
static inline int ceph_osd_is_down(struct ceph_osdmap *map, int osd)
static inline bool ceph_osd_is_down(struct ceph_osdmap *map, int osd)
{
return !ceph_osd_is_up(map, osd);
}