diff options
Diffstat (limited to 'include/linux/raid/md_p.h')
-rw-r--r-- | include/linux/raid/md_p.h | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h index b6ebc69bae54..3f2cd98c508b 100644 --- a/include/linux/raid/md_p.h +++ b/include/linux/raid/md_p.h | |||
@@ -206,52 +206,52 @@ static inline __u64 md_event(mdp_super_t *sb) { | |||
206 | */ | 206 | */ |
207 | struct mdp_superblock_1 { | 207 | struct mdp_superblock_1 { |
208 | /* constant array information - 128 bytes */ | 208 | /* constant array information - 128 bytes */ |
209 | __u32 magic; /* MD_SB_MAGIC: 0xa92b4efc - little endian */ | 209 | __le32 magic; /* MD_SB_MAGIC: 0xa92b4efc - little endian */ |
210 | __u32 major_version; /* 1 */ | 210 | __le32 major_version; /* 1 */ |
211 | __u32 feature_map; /* bit 0 set if 'bitmap_offset' is meaningful */ | 211 | __le32 feature_map; /* bit 0 set if 'bitmap_offset' is meaningful */ |
212 | __u32 pad0; /* always set to 0 when writing */ | 212 | __le32 pad0; /* always set to 0 when writing */ |
213 | 213 | ||
214 | __u8 set_uuid[16]; /* user-space generated. */ | 214 | __u8 set_uuid[16]; /* user-space generated. */ |
215 | char set_name[32]; /* set and interpreted by user-space */ | 215 | char set_name[32]; /* set and interpreted by user-space */ |
216 | 216 | ||
217 | __u64 ctime; /* lo 40 bits are seconds, top 24 are microseconds or 0*/ | 217 | __le64 ctime; /* lo 40 bits are seconds, top 24 are microseconds or 0*/ |
218 | __u32 level; /* -4 (multipath), -1 (linear), 0,1,4,5 */ | 218 | __le32 level; /* -4 (multipath), -1 (linear), 0,1,4,5 */ |
219 | __u32 layout; /* only for raid5 and raid10 currently */ | 219 | __le32 layout; /* only for raid5 and raid10 currently */ |
220 | __u64 size; /* used size of component devices, in 512byte sectors */ | 220 | __le64 size; /* used size of component devices, in 512byte sectors */ |
221 | 221 | ||
222 | __u32 chunksize; /* in 512byte sectors */ | 222 | __le32 chunksize; /* in 512byte sectors */ |
223 | __u32 raid_disks; | 223 | __le32 raid_disks; |
224 | __u32 bitmap_offset; /* sectors after start of superblock that bitmap starts | 224 | __le32 bitmap_offset; /* sectors after start of superblock that bitmap starts |
225 | * NOTE: signed, so bitmap can be before superblock | 225 | * NOTE: signed, so bitmap can be before superblock |
226 | * only meaningful of feature_map[0] is set. | 226 | * only meaningful of feature_map[0] is set. |
227 | */ | 227 | */ |
228 | 228 | ||
229 | /* These are only valid with feature bit '4' */ | 229 | /* These are only valid with feature bit '4' */ |
230 | __u32 new_level; /* new level we are reshaping to */ | 230 | __le32 new_level; /* new level we are reshaping to */ |
231 | __u64 reshape_position; /* next address in array-space for reshape */ | 231 | __le64 reshape_position; /* next address in array-space for reshape */ |
232 | __u32 delta_disks; /* change in number of raid_disks */ | 232 | __le32 delta_disks; /* change in number of raid_disks */ |
233 | __u32 new_layout; /* new layout */ | 233 | __le32 new_layout; /* new layout */ |
234 | __u32 new_chunk; /* new chunk size (bytes) */ | 234 | __le32 new_chunk; /* new chunk size (bytes) */ |
235 | __u8 pad1[128-124]; /* set to 0 when written */ | 235 | __u8 pad1[128-124]; /* set to 0 when written */ |
236 | 236 | ||
237 | /* constant this-device information - 64 bytes */ | 237 | /* constant this-device information - 64 bytes */ |
238 | __u64 data_offset; /* sector start of data, often 0 */ | 238 | __le64 data_offset; /* sector start of data, often 0 */ |
239 | __u64 data_size; /* sectors in this device that can be used for data */ | 239 | __le64 data_size; /* sectors in this device that can be used for data */ |
240 | __u64 super_offset; /* sector start of this superblock */ | 240 | __le64 super_offset; /* sector start of this superblock */ |
241 | __u64 recovery_offset;/* sectors before this offset (from data_offset) have been recovered */ | 241 | __le64 recovery_offset;/* sectors before this offset (from data_offset) have been recovered */ |
242 | __u32 dev_number; /* permanent identifier of this device - not role in raid */ | 242 | __le32 dev_number; /* permanent identifier of this device - not role in raid */ |
243 | __u32 cnt_corrected_read; /* number of read errors that were corrected by re-writing */ | 243 | __le32 cnt_corrected_read; /* number of read errors that were corrected by re-writing */ |
244 | __u8 device_uuid[16]; /* user-space setable, ignored by kernel */ | 244 | __u8 device_uuid[16]; /* user-space setable, ignored by kernel */ |
245 | __u8 devflags; /* per-device flags. Only one defined...*/ | 245 | __u8 devflags; /* per-device flags. Only one defined...*/ |
246 | #define WriteMostly1 1 /* mask for writemostly flag in above */ | 246 | #define WriteMostly1 1 /* mask for writemostly flag in above */ |
247 | __u8 pad2[64-57]; /* set to 0 when writing */ | 247 | __u8 pad2[64-57]; /* set to 0 when writing */ |
248 | 248 | ||
249 | /* array state information - 64 bytes */ | 249 | /* array state information - 64 bytes */ |
250 | __u64 utime; /* 40 bits second, 24 btes microseconds */ | 250 | __le64 utime; /* 40 bits second, 24 btes microseconds */ |
251 | __u64 events; /* incremented when superblock updated */ | 251 | __le64 events; /* incremented when superblock updated */ |
252 | __u64 resync_offset; /* data before this offset (from data_offset) known to be in sync */ | 252 | __le64 resync_offset; /* data before this offset (from data_offset) known to be in sync */ |
253 | __u32 sb_csum; /* checksum upto devs[max_dev] */ | 253 | __le32 sb_csum; /* checksum upto devs[max_dev] */ |
254 | __u32 max_dev; /* size of devs[] array to consider */ | 254 | __le32 max_dev; /* size of devs[] array to consider */ |
255 | __u8 pad3[64-32]; /* set to 0 when writing */ | 255 | __u8 pad3[64-32]; /* set to 0 when writing */ |
256 | 256 | ||
257 | /* device state information. Indexed by dev_number. | 257 | /* device state information. Indexed by dev_number. |
@@ -260,7 +260,7 @@ struct mdp_superblock_1 { | |||
260 | * into the 'roles' value. If a device is spare or faulty, then it doesn't | 260 | * into the 'roles' value. If a device is spare or faulty, then it doesn't |
261 | * have a meaningful role. | 261 | * have a meaningful role. |
262 | */ | 262 | */ |
263 | __u16 dev_roles[0]; /* role in array, or 0xffff for a spare, or 0xfffe for faulty */ | 263 | __le16 dev_roles[0]; /* role in array, or 0xffff for a spare, or 0xfffe for faulty */ |
264 | }; | 264 | }; |
265 | 265 | ||
266 | /* feature_map bits */ | 266 | /* feature_map bits */ |