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ceph: define ceph_encode_8_safe()

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It's kind of a silly macro, but ceph_encode_8_safe() is the only one
missing from an otherwise pretty complete set.  It's not used, but
neither are a couple of the others in this set.

While in there, insert some whitespace to tidy up the alignment of
the line-terminating backslashes in some of the macro definitions.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Dan Mick <dan.mick@inktank.com>
This commit is contained in:
Alex Elder 2012-11-01 08:39:27 -05:00
parent 4caf35f9ec
commit dd5f049dbd
1 changed files with 17 additions and 12 deletions
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29
include/linux/ceph/decode.h
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@ -52,10 +52,10 @@ static inline int ceph_has_room(void **p, void *end, size_t n)
return end >= *p && n <= end - *p;
}
#define ceph_decode_need(p, end, n, bad) \
do { \
if (!likely(ceph_has_room(p, end, n))) \
goto bad; \
#define ceph_decode_need(p, end, n, bad) \
do { \
if (!likely(ceph_has_room(p, end, n))) \
goto bad; \
} while (0)
#define ceph_decode_64_safe(p, end, v, bad) \
@ -99,8 +99,8 @@ static inline int ceph_has_room(void **p, void *end, size_t n)
*
* There are two possible failures:
* - converting the string would require accessing memory at or
* beyond the "end" pointer provided (-E
* - memory could not be allocated for the result
* beyond the "end" pointer provided (-ERANGE)
* - memory could not be allocated for the result (-ENOMEM)
*/
static inline char *ceph_extract_encoded_string(void **p, void *end,
size_t *lenp, gfp_t gfp)
@ -217,10 +217,10 @@ static inline void ceph_encode_string(void **p, void *end,
*p += len;
}
#define ceph_encode_need(p, end, n, bad) \
do { \
if (!likely(ceph_has_room(p, end, n))) \
goto bad; \
#define ceph_encode_need(p, end, n, bad) \
do { \
if (!likely(ceph_has_room(p, end, n))) \
goto bad; \
} while (0)
#define ceph_encode_64_safe(p, end, v, bad) \
@ -231,12 +231,17 @@ static inline void ceph_encode_string(void **p, void *end,
#define ceph_encode_32_safe(p, end, v, bad) \
do { \
ceph_encode_need(p, end, sizeof(u32), bad); \
ceph_encode_32(p, v); \
ceph_encode_32(p, v); \
} while (0)
#define ceph_encode_16_safe(p, end, v, bad) \
do { \
ceph_encode_need(p, end, sizeof(u16), bad); \
ceph_encode_16(p, v); \
ceph_encode_16(p, v); \
} while (0)
#define ceph_encode_8_safe(p, end, v, bad) \
do { \
ceph_encode_need(p, end, sizeof(u8), bad); \
ceph_encode_8(p, v); \
} while (0)
#define ceph_encode_copy_safe(p, end, pv, n, bad) \