diff options
Diffstat (limited to 'include/arch/x86_64/linux/raid')
| -rw-r--r-- | include/arch/x86_64/linux/raid/md_p.h | 68 |
1 files changed, 29 insertions, 39 deletions
diff --git a/include/arch/x86_64/linux/raid/md_p.h b/include/arch/x86_64/linux/raid/md_p.h index 0150d231..340b31b5 100644 --- a/include/arch/x86_64/linux/raid/md_p.h +++ b/include/arch/x86_64/linux/raid/md_p.h @@ -44,8 +44,7 @@ #define MD_RESERVED_BYTES (64 * 1024) #define MD_RESERVED_SECTORS (MD_RESERVED_BYTES / 512) -#define MD_NEW_SIZE_SECTORS(x) \ - ((x & ~(MD_RESERVED_SECTORS - 1)) - MD_RESERVED_SECTORS) +#define MD_NEW_SIZE_SECTORS(x) ((x & ~(MD_RESERVED_SECTORS - 1)) - MD_RESERVED_SECTORS) #define MD_SB_BYTES 4096 #define MD_SB_WORDS (MD_SB_BYTES / 4) @@ -61,17 +60,14 @@ #define MD_SB_GENERIC_CONSTANT_WORDS 32 #define MD_SB_GENERIC_STATE_WORDS 32 -#define MD_SB_GENERIC_WORDS \ - (MD_SB_GENERIC_CONSTANT_WORDS + MD_SB_GENERIC_STATE_WORDS) -#define MD_SB_PERSONALITY_WORDS 64 -#define MD_SB_DESCRIPTOR_WORDS 32 -#define MD_SB_DISKS 27 -#define MD_SB_DISKS_WORDS (MD_SB_DISKS * MD_SB_DESCRIPTOR_WORDS) -#define MD_SB_RESERVED_WORDS \ - (1024 - MD_SB_GENERIC_WORDS - MD_SB_PERSONALITY_WORDS - \ - MD_SB_DISKS_WORDS - MD_SB_DESCRIPTOR_WORDS) -#define MD_SB_EQUAL_WORDS \ - (MD_SB_GENERIC_WORDS + MD_SB_PERSONALITY_WORDS + MD_SB_DISKS_WORDS) +#define MD_SB_GENERIC_WORDS (MD_SB_GENERIC_CONSTANT_WORDS + MD_SB_GENERIC_STATE_WORDS) +#define MD_SB_PERSONALITY_WORDS 64 +#define MD_SB_DESCRIPTOR_WORDS 32 +#define MD_SB_DISKS 27 +#define MD_SB_DISKS_WORDS (MD_SB_DISKS * MD_SB_DESCRIPTOR_WORDS) +#define MD_SB_RESERVED_WORDS \ + (1024 - MD_SB_GENERIC_WORDS - MD_SB_PERSONALITY_WORDS - MD_SB_DISKS_WORDS - MD_SB_DESCRIPTOR_WORDS) +#define MD_SB_EQUAL_WORDS (MD_SB_GENERIC_WORDS + MD_SB_PERSONALITY_WORDS + MD_SB_DISKS_WORDS) /* * Device "operational" state bits @@ -173,8 +169,7 @@ typedef struct mdp_superblock_s { __u32 events_lo; /* 8 low-order of superblock update count */ __u32 cp_events_hi; /* 9 high-order of checkpoint update count */ __u32 cp_events_lo; /* 10 low-order of checkpoint update count */ -#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : \ - defined(__LITTLE_ENDIAN) +#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) __u32 events_lo; /* 7 low-order of superblock update count */ __u32 events_hi; /* 8 high-order of superblock update count */ __u32 cp_events_lo; /* 9 low-order of checkpoint update count */ @@ -277,8 +272,8 @@ struct mdp_superblock_1 { */ /* constant this-device information - 64 bytes */ - __le64 data_offset; /* sector start of data, often 0 */ - __le64 data_size; /* sectors in this device that can be used for data */ + __le64 data_offset; /* sector start of data, often 0 */ + __le64 data_size; /* sectors in this device that can be used for data */ __le64 super_offset; /* sector start of this superblock */ union { __le64 recovery_offset; /* sectors before this offset (from @@ -286,14 +281,14 @@ struct mdp_superblock_1 { __le64 journal_tail; /* journal tail of journal device (from data_offset) */ }; - __le32 dev_number; /* permanent identifier of this device - not role in - raid */ + __le32 dev_number; /* permanent identifier of this device - not role in + raid */ __le32 cnt_corrected_read; /* number of read errors that were corrected by re-writing */ __u8 device_uuid[16]; /* user-space setable, ignored by kernel */ __u8 devflags; /* per-device flags. Only two defined...*/ #define WriteMostly1 1 /* mask for writemostly flag in above */ -#define FailFast1 2 /* Should avoid retries and fixups and just fail */ +#define FailFast1 2 /* Should avoid retries and fixups and just fail */ /* Bad block log. If there are any bad blocks the feature flag is set. * If offset and size are non-zero, that space is reserved and available */ @@ -349,13 +344,11 @@ struct mdp_superblock_1 { #define MD_FEATURE_PPL 1024 /* support PPL */ #define MD_FEATURE_MULTIPLE_PPLS 2048 /* support for multiple PPLs */ #define MD_FEATURE_RAID0_LAYOUT 4096 /* layout is meaningful for RAID0 */ -#define MD_FEATURE_ALL \ - (MD_FEATURE_BITMAP_OFFSET | MD_FEATURE_RECOVERY_OFFSET | \ - MD_FEATURE_RESHAPE_ACTIVE | MD_FEATURE_BAD_BLOCKS | \ - MD_FEATURE_REPLACEMENT | MD_FEATURE_RESHAPE_BACKWARDS | \ - MD_FEATURE_NEW_OFFSET | MD_FEATURE_RECOVERY_BITMAP | \ - MD_FEATURE_CLUSTERED | MD_FEATURE_JOURNAL | MD_FEATURE_PPL | \ - MD_FEATURE_MULTIPLE_PPLS | MD_FEATURE_RAID0_LAYOUT) +#define MD_FEATURE_ALL \ + (MD_FEATURE_BITMAP_OFFSET | MD_FEATURE_RECOVERY_OFFSET | MD_FEATURE_RESHAPE_ACTIVE | MD_FEATURE_BAD_BLOCKS | \ + MD_FEATURE_REPLACEMENT | MD_FEATURE_RESHAPE_BACKWARDS | MD_FEATURE_NEW_OFFSET | MD_FEATURE_RECOVERY_BITMAP | \ + MD_FEATURE_CLUSTERED | MD_FEATURE_JOURNAL | MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS | \ + MD_FEATURE_RAID0_LAYOUT) struct r5l_payload_header { __le16 type; @@ -426,21 +419,18 @@ struct ppl_header_entry { * entry (~crc32c) */ } __attribute__((__packed__)); -#define PPL_HEADER_SIZE 4096 -#define PPL_HDR_RESERVED 512 -#define PPL_HDR_ENTRY_SPACE \ - (PPL_HEADER_SIZE - PPL_HDR_RESERVED - 4 * sizeof(__le32) - \ - sizeof(__le64)) -#define PPL_HDR_MAX_ENTRIES \ - (PPL_HDR_ENTRY_SPACE / sizeof(struct ppl_header_entry)) +#define PPL_HEADER_SIZE 4096 +#define PPL_HDR_RESERVED 512 +#define PPL_HDR_ENTRY_SPACE (PPL_HEADER_SIZE - PPL_HDR_RESERVED - 4 * sizeof(__le32) - sizeof(__le64)) +#define PPL_HDR_MAX_ENTRIES (PPL_HDR_ENTRY_SPACE / sizeof(struct ppl_header_entry)) struct ppl_header { __u8 reserved[PPL_HDR_RESERVED]; /* reserved space, fill with 0xff */ - __le32 signature; /* signature (family number of volume) */ - __le32 padding; /* zero pad */ - __le64 generation; /* generation number of the header */ - __le32 entries_count; /* number of entries in entry array */ - __le32 checksum; /* checksum of the header (~crc32c) */ + __le32 signature; /* signature (family number of volume) */ + __le32 padding; /* zero pad */ + __le64 generation; /* generation number of the header */ + __le32 entries_count; /* number of entries in entry array */ + __le32 checksum; /* checksum of the header (~crc32c) */ struct ppl_header_entry entries[PPL_HDR_MAX_ENTRIES]; } __attribute__((__packed__)); |