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Date: Fri, 6 May 2016 15:14:22 +0800
From: "Zhang Zhuoyu" <zhangzhuoyu@...s.chinamobile.com>
To: <ceph-devel@...r.kernel.org>
Cc: <sage@...hat.com>, <zyan@...hat.com>, <idryomov@...il.com>,
<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 1/1] fs/ceph: make logical calculation functions return bool
Hi, Yan, Viro
Any other comments on this updated version?
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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