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cleanup: my_off_t mmaped_length -> size_t

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all mmap-related functions take size_t lengh.
mmaped_length was casted to size_t *every single time*
This commit is contained in:
Sergei Golubchik
2018-02-06 00:30:00 +01:00
parent d429f60770
commit 00855a62ab
5 changed files with 7 additions and 9 deletions
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3
storage/myisam/mi_check.c
View File

@@ -4791,8 +4791,7 @@ static int replace_data_file(HA_CHECK *param, MI_INFO *info, File new_file)
*/
if (info->s->file_map)
{
(void) my_munmap((char*) info->s->file_map,
(size_t) info->s->mmaped_length);
(void) my_munmap((char*) info->s->file_map, info->s->mmaped_length);
info->s->file_map= NULL;
}

5
storage/myisam/mi_dynrec.c
View File

@@ -95,7 +95,7 @@ my_bool mi_dynmap_file(MI_INFO *info, my_off_t size)
#if defined(HAVE_MADVISE)
madvise((char*) info->s->file_map, size, MADV_RANDOM);
#endif
info->s->mmaped_length= size;
info->s->mmaped_length= (size_t) size;
info->s->file_read= mi_mmap_pread;
info->s->file_write= mi_mmap_pwrite;
DBUG_RETURN(0);
@@ -118,8 +118,7 @@ int mi_munmap_file(MI_INFO *info)
{
int ret;
DBUG_ENTER("mi_unmap_file");
if ((ret= my_munmap((void*) info->s->file_map,
(size_t) info->s->mmaped_length)))
if ((ret= my_munmap((void*) info->s->file_map, info->s->mmaped_length)))
DBUG_RETURN(ret);
info->s->file_read= mi_nommap_pread;
info->s->file_write= mi_nommap_pwrite;

4
storage/myisam/mi_locking.c
View File

@@ -114,7 +114,7 @@ int mi_lock_database(MI_INFO *info, int lock_type)
if (myisam_flush)
{
if (share->file_map)
my_msync(info->dfile, share->file_map, (size_t)share->mmaped_length, MS_SYNC);
my_msync(info->dfile, share->file_map, share->mmaped_length, MS_SYNC);
if (mysql_file_sync(share->kfile, MYF(0)))
mark_crashed= error= my_errno;
if (mysql_file_sync(info->dfile, MYF(0)))
@@ -529,7 +529,7 @@ int _mi_writeinfo(register MI_INFO *info, uint operation)
if (myisam_flush)
{
if (share->file_map)
my_msync(info->dfile, share->file_map, (size_t)share->mmaped_length, MS_SYNC);
my_msync(info->dfile, share->file_map, share->mmaped_length, MS_SYNC);
mysql_file_sync(share->kfile, 0);
mysql_file_sync(info->dfile, 0);
}

2
storage/myisam/mi_packrec.c
View File

@@ -1551,7 +1551,7 @@ void _mi_unmap_file(MI_INFO *info)
{
DBUG_ASSERT(info->s->options & HA_OPTION_COMPRESS_RECORD);
(void) my_munmap((char*) info->s->file_map, (size_t) info->s->mmaped_length);
(void) my_munmap((char*) info->s->file_map, info->s->mmaped_length);
if (myisam_mmap_size != SIZE_T_MAX)
{

2
storage/myisam/myisamdef.h
View File

@@ -224,7 +224,7 @@ typedef struct st_mi_isam_share
THR_LOCK lock;
mysql_mutex_t intern_lock; /* Locking for use with _locking */
mysql_rwlock_t *key_root_lock;
my_off_t mmaped_length;
size_t mmaped_length;
uint nonmmaped_inserts; /* counter of writing in non-mmaped
area */
mysql_rwlock_t mmap_lock;