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raid: Add a segtype flag for each raid type.

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This commit is contained in:
Heinz Mauelshagen 2015-09-24 20:17:57 +01:00 committed by Alasdair G Kergon
parent d40830a2b1
commit 3036620b48
2 changed files with 33 additions and 13 deletions
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22
lib/metadata/segtype.h
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@ -46,6 +46,26 @@ struct dev_manager;
#define SEG_MIRROR 0x0000000000008000ULL
#define SEG_ONLY_EXCLUSIVE 0x0000000000010000ULL /* In cluster only exlusive activation */
#define SEG_CAN_ERROR_WHEN_FULL 0x0000000000020000ULL
#define SEG_RAID1 0x0000000000100000ULL
#define SEG_RAID10 0x0000000000200000ULL
#define SEG_RAID4 0x0000000000400000ULL
#define SEG_RAID5_N 0x0000000000800000ULL
#define SEG_RAID5_LA 0x0000000001000000ULL
#define SEG_RAID5_LS 0x0000000002000000ULL
#define SEG_RAID5_RA 0x0000000004000000ULL
#define SEG_RAID5_RS 0x0000000008000000ULL
#define SEG_RAID5 SEG_RAID5_LS
#define SEG_RAID6_NC 0x0000000010000000ULL
#define SEG_RAID6_NR 0x0000000020000000ULL
#define SEG_RAID6_ZR 0x0000000040000000ULL
#define SEG_RAID6_LA_6 0x0000000080000000ULL
#define SEG_RAID6_LS_6 0x0000000100000000ULL
#define SEG_RAID6_RA_6 0x0000000200000000ULL
#define SEG_RAID6_RS_6 0x0000000400000000ULL
#define SEG_RAID6_N_6 0x0000000800000000ULL
#define SEG_RAID6 SEG_RAID6_ZR
#define SEG_UNKNOWN 0x8000000000000000ULL
#define SEG_TYPE_NAME_LINEAR "linear"
@ -141,7 +161,7 @@ struct segment_type {
struct dm_list list; /* Internal */
uint64_t flags;
uint32_t parity_devs; /* Parity drives required by segtype */
uint32_t parity_devs; /* Parity drives required by segtype */
struct segtype_handler *ops;
const char *name;

24
lib/raid/raid.c
View File

@ -437,18 +437,18 @@ static const struct raid_type {
unsigned parity;
uint64_t extra_flags;
} _raid_types[] = {
{ SEG_TYPE_NAME_RAID1, 0, SEG_AREAS_MIRRORED },
{ SEG_TYPE_NAME_RAID10, 0, SEG_AREAS_MIRRORED },
{ SEG_TYPE_NAME_RAID4, 1 },
{ SEG_TYPE_NAME_RAID5, 1 },
{ SEG_TYPE_NAME_RAID5_LA, 1 },
{ SEG_TYPE_NAME_RAID5_LS, 1 },
{ SEG_TYPE_NAME_RAID5_RA, 1 },
{ SEG_TYPE_NAME_RAID5_RS, 1 },
{ SEG_TYPE_NAME_RAID6, 2 },
{ SEG_TYPE_NAME_RAID6_NC, 2 },
{ SEG_TYPE_NAME_RAID6_NR, 2 },
{ SEG_TYPE_NAME_RAID6_ZR, 2 }
{ SEG_TYPE_NAME_RAID1, 0, SEG_RAID1 | SEG_AREAS_MIRRORED },
{ SEG_TYPE_NAME_RAID10, 0, SEG_RAID10 | SEG_AREAS_MIRRORED },
{ SEG_TYPE_NAME_RAID4, 1, SEG_RAID4 },
{ SEG_TYPE_NAME_RAID5, 1, SEG_RAID5 },
{ SEG_TYPE_NAME_RAID5_LA, 1, SEG_RAID5_LA },
{ SEG_TYPE_NAME_RAID5_LS, 1, SEG_RAID5_LS },
{ SEG_TYPE_NAME_RAID5_RA, 1, SEG_RAID5_RA },
{ SEG_TYPE_NAME_RAID5_RS, 1, SEG_RAID5_RS },
{ SEG_TYPE_NAME_RAID6, 2, SEG_RAID6 },
{ SEG_TYPE_NAME_RAID6_NC, 2, SEG_RAID6_NC },
{ SEG_TYPE_NAME_RAID6_NR, 2, SEG_RAID6_NR },
{ SEG_TYPE_NAME_RAID6_ZR, 2, SEG_RAID6_ZR }
};
static struct segment_type *_init_raid_segtype(struct cmd_context *cmd,