diff options
| author | Chris Mason <chris.mason@oracle.com> | 2008-04-16 10:49:51 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:01 -0400 |
| commit | 321aecc65671ae8136bd2ca6879b56f0221f8ac8 (patch) | |
| tree | 9e397c5a6b4750703e60d70c0b588c463aaf376c /fs/btrfs/ctree.h | |
| parent | e17cade25ff8074101d653557a78df09c16ca276 (diff) | |
Btrfs: Add RAID10 support
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 82d67c3db8b..a22edcf4917 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -197,6 +197,9 @@ struct btrfs_chunk { * item in the btree */ __le16 num_stripes; + + /* sub stripes only matter for raid10 */ + __le16 sub_stripes; struct btrfs_stripe stripe; /* additional stripes go here */ } __attribute__ ((__packed__)); @@ -444,6 +447,7 @@ struct btrfs_csum_item { #define BTRFS_BLOCK_GROUP_RAID0 (1 << 3) #define BTRFS_BLOCK_GROUP_RAID1 (1 << 4) #define BTRFS_BLOCK_GROUP_DUP (1 << 5) +#define BTRFS_BLOCK_GROUP_RAID10 (1 << 6) struct btrfs_block_group_item { @@ -757,6 +761,7 @@ BTRFS_SETGET_FUNCS(chunk_io_width, struct btrfs_chunk, io_width, 32); BTRFS_SETGET_FUNCS(chunk_sector_size, struct btrfs_chunk, sector_size, 32); BTRFS_SETGET_FUNCS(chunk_type, struct btrfs_chunk, type, 64); BTRFS_SETGET_FUNCS(chunk_num_stripes, struct btrfs_chunk, num_stripes, 16); +BTRFS_SETGET_FUNCS(chunk_sub_stripes, struct btrfs_chunk, sub_stripes, 16); BTRFS_SETGET_FUNCS(stripe_devid, struct btrfs_stripe, devid, 64); BTRFS_SETGET_FUNCS(stripe_offset, struct btrfs_stripe, offset, 64); @@ -778,6 +783,8 @@ BTRFS_SETGET_STACK_FUNCS(stack_chunk_sector_size, struct btrfs_chunk, BTRFS_SETGET_STACK_FUNCS(stack_chunk_type, struct btrfs_chunk, type, 64); BTRFS_SETGET_STACK_FUNCS(stack_chunk_num_stripes, struct btrfs_chunk, num_stripes, 16); +BTRFS_SETGET_STACK_FUNCS(stack_chunk_sub_stripes, struct btrfs_chunk, + sub_stripes, 16); BTRFS_SETGET_STACK_FUNCS(stack_stripe_devid, struct btrfs_stripe, devid, 64); BTRFS_SETGET_STACK_FUNCS(stack_stripe_offset, struct btrfs_stripe, offset, 64); |