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orangefs: get rid of dec_string and enc_string 

The latter is never used, the former has one user and would be
better off spelled out right there.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Al Viro 2015-10-09 17:43:15 -04:00 committed by Mike Marshall
parent ef4af94edc
commit 9be68b0871
2 changed files with 8 additions and 23 deletions
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15
fs/orangefs/dir.c
View File

@ -23,7 +23,6 @@ static long decode_dirents(char *ptr, struct pvfs2_readdir_response_s *readdir)
struct pvfs2_readdir_response_s *rd =
(struct pvfs2_readdir_response_s *) ptr;
char *buf = ptr;
char **pptr = &buf;
readdir->token = rd->token;
readdir->pvfs_dirent_outcount = rd->pvfs_dirent_outcount;
@ -32,15 +31,17 @@ static long decode_dirents(char *ptr, struct pvfs2_readdir_response_s *readdir)
GFP_KERNEL);
if (readdir->dirent_array == NULL)
return -ENOMEM;
*pptr += offsetof(struct pvfs2_readdir_response_s, dirent_array);
buf += offsetof(struct pvfs2_readdir_response_s, dirent_array);
for (i = 0; i < readdir->pvfs_dirent_outcount; i++) {
dec_string(pptr, &readdir->dirent_array[i].d_name,
&readdir->dirent_array[i].d_length);
__u32 len = *(__u32 *)buf;
readdir->dirent_array[i].d_name = buf + 4;
buf += roundup8(4 + len + 1);
readdir->dirent_array[i].d_length = len;
readdir->dirent_array[i].khandle =
*(struct pvfs2_khandle *) *pptr;
*pptr += 16;
*(struct pvfs2_khandle *) buf;
buf += 16;
}
return (unsigned long)*pptr - (unsigned long)ptr;
return buf - ptr;
}
static long readdir_handle_ctor(struct readdir_handle_s *rhandle, void *buf,

16
fs/orangefs/pvfs2-dev-proto.h
View File

@ -78,22 +78,6 @@
#define roundup8(x) (((x)+7) & ~7)
#endif
/* strings; decoding just points into existing character data */
#define enc_string(pptr, pbuf) do { \
__u32 len = strlen(*pbuf); \
*(__u32 *) *(pptr) = (len); \
memcpy(*(pptr)+4, *pbuf, len+1); \
*(pptr) += roundup8(4 + len + 1); \
} while (0)
#define dec_string(pptr, pbuf, plen) do { \
__u32 len = (*(__u32 *) *(pptr)); \
*pbuf = *(pptr) + 4; \
*(pptr) += roundup8(4 + len + 1); \
if (plen) \
*plen = len;\
} while (0)
struct read_write_x {
__s64 off;
__s64 len;