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Message-Id: <EB309300-74FA-4655-906C-FB0CE7BB4DD0@redhat.com>
Date: Fri, 6 May 2016 19:01:23 +0800
From: "Yan, Zheng" <zyan@...hat.com>
To: Zhang Zhuoyu <zhangzhuoyu@...s.chinamobile.com>
Cc: ceph-devel@...r.kernel.org, sage@...hat.com, idryomov@...il.com,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] fs/ceph: make logical calculation functions return bool
> On May 6, 2016, at 15:14, Zhang Zhuoyu <zhangzhuoyu@...s.chinamobile.com> wrote:
>
> Hi, Yan, Viro
>
> Any other comments on this updated version?
applied (after removing the rados.h hunk)
Thanks
Yan, Zheng
>
> Zhuoyu
>
>> -----Original Message-----
>> From: hellozzy1988@....com [mailto:hellozzy1988@....com] On Behalf Of
>> Zhang Zhuoyu
>> Sent: Friday, March 25, 2016 5:19 PM
>> To: ceph-devel@...r.kernel.org
>> Cc: sage@...hat.com; zyan@...hat.com; idryomov@...il.com; linux-
>> kernel@...r.kernel.org; Zhang Zhuoyu
>> <zhangzhuoyu@...s.chinamobile.com>
>> Subject: [PATCH v2 1/1] fs/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.
>> --
>> v2 changelog:
>> ceph_ino_compare() is used by ilookup5, and ilookup5() wants function
>> pointer int (*test)(struct inode *, void *), so let ceph_ino_compare()
> keep its
>> return value as int.
>>
>> Signed-off-by: Zhang Zhuoyu <zhangzhuoyu@...s.chinamobile.com>
>> ---
>> fs/ceph/cache.c | 2 +-
>> fs/ceph/dir.c | 2 +-
>> include/linux/ceph/ceph_frag.h | 12 ++++++------
>> include/linux/ceph/decode.h | 2 +-
>> include/linux/ceph/osdmap.h | 6 +++---
>> include/linux/ceph/rados.h | 16 ++++++++--------
>> net/ceph/ceph_common.c | 2 +-
>> 7 files changed, 21 insertions(+), 21 deletions(-)
>>
>> diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c index 834f9f3..1f3a3f6
> 100644
>> --- a/fs/ceph/cache.c
>> +++ b/fs/ceph/cache.c
>> @@ -238,7 +238,7 @@ static void
>> ceph_vfs_readpage_complete_unlock(struct page *page, void *data, int
>> unlock_page(page);
>> }
>>
>> -static inline int cache_valid(struct ceph_inode_info *ci)
>> +static inline bool cache_valid(struct ceph_inode_info *ci)
>> {
>> return ((ceph_caps_issued(ci) & CEPH_CAP_FILE_CACHE) &&
>> (ci->i_fscache_gen == ci->i_rdcache_gen)); diff --git
>> a/fs/ceph/dir.c b/fs/ceph/dir.c index 26be849..7eed41e 100644
>> --- a/fs/ceph/dir.c
>> +++ b/fs/ceph/dir.c
>> @@ -584,7 +584,7 @@ struct dentry *ceph_finish_lookup(struct
>> ceph_mds_request *req,
>> return dentry;
>> }
>>
>> -static int is_root_ceph_dentry(struct inode *inode, struct dentry
> *dentry)
>> +static bool is_root_ceph_dentry(struct inode *inode, struct dentry
>> +*dentry)
>> {
>> return ceph_ino(inode) == CEPH_INO_ROOT &&
>> strncmp(dentry->d_name.name, ".ceph", 5) == 0; diff --git
>> a/include/linux/ceph/ceph_frag.h b/include/linux/ceph/ceph_frag.h index
>> 5babb8e..44e6067 100644
>> --- a/include/linux/ceph/ceph_frag.h
>> +++ b/include/linux/ceph/ceph_frag.h
>> @@ -40,11 +40,11 @@ static inline __u32 ceph_frag_mask_shift(__u32 f)
>> return 24 - ceph_frag_bits(f);
>> }
>>
>> -static inline int ceph_frag_contains_value(__u32 f, __u32 v)
>> +static inline bool ceph_frag_contains_value(__u32 f, __u32 v)
>> {
>> return (v & ceph_frag_mask(f)) == ceph_frag_value(f); } -static
>> inline int ceph_frag_contains_frag(__u32 f, __u32 sub)
>> +static inline bool ceph_frag_contains_frag(__u32 f, __u32 sub)
>> {
>> /* is sub as specific as us, and contained by us? */
>> return ceph_frag_bits(sub) >= ceph_frag_bits(f) && @@ -56,12
>> +56,12 @@ static inline __u32 ceph_frag_parent(__u32 f)
>> return ceph_frag_make(ceph_frag_bits(f) - 1,
>> ceph_frag_value(f) & (ceph_frag_mask(f) << 1)); }
> -
>> static inline int ceph_frag_is_left_child(__u32 f)
>> +static inline bool ceph_frag_is_left_child(__u32 f)
>> {
>> return ceph_frag_bits(f) > 0 &&
>> (ceph_frag_value(f) & (0x1000000 >> ceph_frag_bits(f))) ==
>> 0; } -static inline int ceph_frag_is_right_child(__u32 f)
>> +static inline bool ceph_frag_is_right_child(__u32 f)
>> {
>> return ceph_frag_bits(f) > 0 &&
>> (ceph_frag_value(f) & (0x1000000 >> ceph_frag_bits(f))) ==
>> 1; @@ -86,11 +86,11 @@ 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); } diff --git
>> a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h index
>> a6ef9cc..19e9932 100644
>> --- a/include/linux/ceph/decode.h
>> +++ b/include/linux/ceph/decode.h
>> @@ -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;
>> }
>> diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
>> index 561ea89..bbf66b7 100644
>> --- a/include/linux/ceph/osdmap.h
>> +++ b/include/linux/ceph/osdmap.h
>> @@ -137,19 +137,19 @@ static inline void ceph_oid_copy(struct
>> ceph_object_id *dest,
>> dest->name_len = src->name_len;
>> }
>>
>> -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);
>> }
>> diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h index
>> 2f822dc..d6d4852 100644
>> --- a/include/linux/ceph/rados.h
>> +++ b/include/linux/ceph/rados.h
>> @@ -313,36 +313,36 @@
>> __CEPH_FORALL_OSD_OPS(GENERATE_ENUM_ENTRY)
>> #undef GENERATE_ENUM_ENTRY
>> };
>>
>> -static inline int ceph_osd_op_type_lock(int op)
>> +static inline bool ceph_osd_op_type_lock(int op)
>> {
>> return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK; }
>> -static inline int ceph_osd_op_type_data(int op)
>> +static inline bool ceph_osd_op_type_data(int op)
>> {
>> return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA; }
>> -static inline int ceph_osd_op_type_attr(int op)
>> +static inline bool ceph_osd_op_type_attr(int op)
>> {
>> return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR; }
>> -static inline int ceph_osd_op_type_exec(int op)
>> +static inline bool ceph_osd_op_type_exec(int op)
>> {
>> return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC; }
>> -static inline int ceph_osd_op_type_pg(int op)
>> +static inline bool ceph_osd_op_type_pg(int op)
>> {
>> return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG; } -
>> static inline int ceph_osd_op_type_multi(int op)
>> +static inline bool ceph_osd_op_type_multi(int op)
>> {
>> return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI; }
>>
>> -static inline int ceph_osd_op_mode_subop(int op)
>> +static inline bool ceph_osd_op_mode_subop(int op)
>> {
>> return (op & CEPH_OSD_OP_MODE) ==
>> CEPH_OSD_OP_MODE_SUB; } -static inline int ceph_osd_op_mode_read(int
>> op)
>> +static inline bool ceph_osd_op_mode_read(int op)
>> {
>> return (op & CEPH_OSD_OP_MODE_RD) &&
>> op != CEPH_OSD_OP_CALL;
>> diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index
>> 58fbfe1..81733c0 100644
>> --- a/net/ceph/ceph_common.c
>> +++ b/net/ceph/ceph_common.c
>> @@ -559,7 +559,7 @@ EXPORT_SYMBOL(ceph_destroy_client);
>> /*
>> * true if we have the mon map (and have thus joined the cluster)
>> */
>> -static int have_mon_and_osd_map(struct ceph_client *client)
>> +static bool have_mon_and_osd_map(struct ceph_client *client)
>> {
>> return client->monc.monmap && client->monc.monmap->epoch &&
>> client->osdc.osdmap && client->osdc.osdmap->epoch;
>> --
>> 1.8.3.1
>>
>
>
>
>
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