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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-03 22:41:33 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-03 22:41:33 -0300 |
| commit | f9cd49033b349b8be3bb1f01b39eed837853d880 (patch) | |
| tree | 7f10a70e420f83cce2709e67ff993270276f0277 /include/linux/raid/md_p.h | |
| parent | 2f2da1e2995c9362babd7da3cc9d340be184ea73 (diff) | |
| parent | 0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff) | |
Merge tag 'v3.6-rc1' into staging/for_v3.6
Linux 3.6-rc1
* tag 'v3.6-rc1': (18733 commits)
Linux 3.6-rc1
mm: remove node_start_pfn checking in new WARN_ON for now
ARM: mmp: add missing irqs.h
arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs
ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes
libceph: fix crypto key null deref, memory leak
ceph: simplify+fix atomic_open
sh: explicitly include sh_dma.h in setup-sh7722.c
um: Add arch/x86/um to MAINTAINERS
um: pass siginfo to guest process
um: fix ubd_file_size for read-only files
md/dm-raid: DM_RAID should select MD_RAID10
md/raid1: submit IO from originating thread instead of md thread.
raid5: raid5d handle stripe in batch way
raid5: make_request use batch stripe release
um: pull interrupt_end() into userspace()
um: split syscall_trace(), pass pt_regs to it
um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs
MIPS: Loongson 2: Sort out clock managment.
locks: remove unused lm_release_private
...
Diffstat (limited to 'include/linux/raid/md_p.h')
| -rw-r--r-- | include/linux/raid/md_p.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h index 8c0a3adc5df5..ee753536ab70 100644 --- a/include/linux/raid/md_p.h +++ b/include/linux/raid/md_p.h @@ -233,7 +233,10 @@ struct mdp_superblock_1 { __le32 delta_disks; /* change in number of raid_disks */ __le32 new_layout; /* new layout */ __le32 new_chunk; /* new chunk size (512byte sectors) */ - __u8 pad1[128-124]; /* set to 0 when written */ + __le32 new_offset; /* signed number to add to data_offset in new + * layout. 0 == no-change. This can be + * different on each device in the array. + */ /* constant this-device information - 64 bytes */ __le64 data_offset; /* sector start of data, often 0 */ @@ -281,10 +284,18 @@ struct mdp_superblock_1 { * active device with same 'role'. * 'recovery_offset' is also set. */ +#define MD_FEATURE_RESHAPE_BACKWARDS 32 /* Reshape doesn't change number + * of devices, but is going + * backwards anyway. + */ +#define MD_FEATURE_NEW_OFFSET 64 /* new_offset must be honoured */ #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_REPLACEMENT \ + |MD_FEATURE_RESHAPE_BACKWARDS \ + |MD_FEATURE_NEW_OFFSET \ + ) #endif |