diff options
| author | Yan, Zheng <zheng.yan@oracle.com> | 2010-05-16 10:46:24 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-05-25 10:34:47 -0400 |
| commit | b742bb82f1676d50103ade0ba89bfb79debabe73 (patch) | |
| tree | ceac53988a3c158571fb91d54e3027403363fb47 /fs/btrfs/ctree.h | |
| parent | e40152ee1e1c7a63f4777791863215e3faa37a86 (diff) | |
| download | linux-b742bb82f1676d50103ade0ba89bfb79debabe73.tar.bz2 | |
Btrfs: Link block groups of different raid types
The size of reserved space is stored in space_info. If block groups
of different raid types are linked to separate space_info, changing
allocation profile will corrupt reserved space accounting.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
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, 5 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 746a7248678e..6132088a577c 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -663,6 +663,7 @@ struct btrfs_csum_item { #define BTRFS_BLOCK_GROUP_RAID1 (1 << 4) #define BTRFS_BLOCK_GROUP_DUP (1 << 5) #define BTRFS_BLOCK_GROUP_RAID10 (1 << 6) +#define BTRFS_NR_RAID_TYPES 5 struct btrfs_block_group_item { __le64 used; @@ -674,7 +675,8 @@ struct btrfs_space_info { u64 flags; u64 total_bytes; /* total bytes in the space */ - u64 bytes_used; /* total bytes used on disk */ + u64 bytes_used; /* total bytes used, + this does't take mirrors into account */ u64 bytes_pinned; /* total bytes pinned, will be freed when the transaction finishes */ u64 bytes_reserved; /* total bytes the allocator has reserved for @@ -687,6 +689,7 @@ struct btrfs_space_info { delalloc/allocations */ u64 bytes_delalloc; /* number of bytes currently reserved for delayed allocation */ + u64 disk_used; /* total bytes used on disk */ int full; /* indicates that we cannot allocate any more chunks for this space */ @@ -704,7 +707,7 @@ struct btrfs_space_info { int flushing; /* for block groups in our same type */ - struct list_head block_groups; + struct list_head block_groups[BTRFS_NR_RAID_TYPES]; spinlock_t lock; struct rw_semaphore groups_sem; atomic_t caching_threads; |