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:

committed by
Ilya Dryomov

parent
224a7542b8
commit
3b33f692c8
@@ -51,11 +51,11 @@ static inline __u32 ceph_frag_make_child(__u32 f, int by, int i)
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return ceph_frag_make(newbits,
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ceph_frag_value(f) | (i << (24 - newbits)));
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}
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static inline int ceph_frag_is_leftmost(__u32 f)
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static inline bool ceph_frag_is_leftmost(__u32 f)
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{
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return ceph_frag_value(f) == 0;
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}
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static inline int ceph_frag_is_rightmost(__u32 f)
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static inline bool ceph_frag_is_rightmost(__u32 f)
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{
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return ceph_frag_value(f) == ceph_frag_mask(f);
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}
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@@ -47,7 +47,7 @@ static inline void ceph_decode_copy(void **p, void *pv, size_t n)
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/*
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* bounds check input.
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*/
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static inline int ceph_has_room(void **p, void *end, size_t n)
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static inline bool ceph_has_room(void **p, void *end, size_t n)
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{
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return end >= *p && n <= end - *p;
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}
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@@ -172,19 +172,19 @@ struct ceph_osdmap {
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int crush_scratch_ary[CEPH_PG_MAX_SIZE * 3];
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};
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static inline int ceph_osd_exists(struct ceph_osdmap *map, int osd)
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static inline bool ceph_osd_exists(struct ceph_osdmap *map, int osd)
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{
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return osd >= 0 && osd < map->max_osd &&
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(map->osd_state[osd] & CEPH_OSD_EXISTS);
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}
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static inline int ceph_osd_is_up(struct ceph_osdmap *map, int osd)
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static inline bool ceph_osd_is_up(struct ceph_osdmap *map, int osd)
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{
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return ceph_osd_exists(map, osd) &&
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(map->osd_state[osd] & CEPH_OSD_UP);
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}
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static inline int ceph_osd_is_down(struct ceph_osdmap *map, int osd)
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static inline bool ceph_osd_is_down(struct ceph_osdmap *map, int osd)
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{
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return !ceph_osd_is_up(map, osd);
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}
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