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dm vdo: move encoding constants to encodings.c 

Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
pull/819/head
Susan LeGendre-McGhee 2024-02-05 21:04:22 -05:00 committed by Mike Snitzer
parent ea9ca07aff
commit b196d6bd30
2 changed files with 9 additions and 9 deletions
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12
drivers/md/dm-vdo/constants.h
View File

@ -44,6 +44,9 @@ enum {
/** The default size of each slab journal, in blocks */
DEFAULT_VDO_SLAB_JOURNAL_SIZE = 224,
/** Unit test minimum */
MINIMUM_VDO_SLAB_JOURNAL_BLOCKS = 2,
/*
* The initial size of lbn_operations and pbn_operations, which is based upon the expected
* maximum number of outstanding VIOs. This value was chosen to make it highly unlikely
@ -90,13 +93,4 @@ enum {
VDO_ZERO_BLOCK = 0,
};
/** The maximum logical space is 4 petabytes, which is 1 terablock. */
static const block_count_t MAXIMUM_VDO_LOGICAL_BLOCKS = 1024ULL * 1024 * 1024 * 1024;
/** The maximum physical space is 256 terabytes, which is 64 gigablocks. */
static const block_count_t MAXIMUM_VDO_PHYSICAL_BLOCKS = 1024ULL * 1024 * 1024 * 64;
/** unit test minimum */
static const block_count_t MINIMUM_VDO_SLAB_JOURNAL_BLOCKS = 2;
#endif /* VDO_CONSTANTS_H */

6
drivers/md/dm-vdo/encodings.c
View File

@ -15,6 +15,12 @@
#include "status-codes.h"
#include "types.h"
/** The maximum logical space is 4 petabytes, which is 1 terablock. */
static const block_count_t MAXIMUM_VDO_LOGICAL_BLOCKS = 1024ULL * 1024 * 1024 * 1024;
/** The maximum physical space is 256 terabytes, which is 64 gigablocks. */
static const block_count_t MAXIMUM_VDO_PHYSICAL_BLOCKS = 1024ULL * 1024 * 1024 * 64;
struct geometry_block {
char magic_number[VDO_GEOMETRY_MAGIC_NUMBER_SIZE];
struct packed_header header;