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| author | Joel Becker <joel.becker@oracle.com> | 2010-03-26 05:07:42 +0300 |
|---|---|---|
| committer | Tao Ma <tao.ma@oracle.com> | 2010-03-26 05:07:42 +0300 |
| commit | 9cbc01231e82f9390edaea2b766abcb7165dc4b2 (patch) | |
| tree | 7fd72381972cae8bd81eb3c5d5c6d1fe26173b94 /fs/ocfs2 | |
| parent | 7d1fe093bf04124dcc50c5dde1765bd098464bfa (diff) | |
| download | linux-9cbc01231e82f9390edaea2b766abcb7165dc4b2.tar.xz | |
ocfs2: Add suballoc_loc to metadata blocks.
We need a suballoc_loc field on any suballocated block. Define them.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/ocfs2_fs.h | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 888ba4ec42c6..a17bce591ee3 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -507,7 +507,10 @@ struct ocfs2_extent_block block group */ __le32 h_fs_generation; /* Must match super block */ __le64 h_blkno; /* Offset on disk, in blocks */ -/*20*/ __le64 h_reserved3; +/*20*/ __le64 h_suballoc_loc; /* Suballocator block group this + eb belongs to. Only valid + if allocated from a + discontiguous block group */ __le64 h_next_leaf_blk; /* Offset on disk, in blocks, of next leaf header pointing to data */ @@ -674,7 +677,11 @@ struct ocfs2_dinode { /*80*/ struct ocfs2_block_check i_check; /* Error checking */ /*88*/ __le64 i_dx_root; /* Pointer to dir index root block */ /*90*/ __le64 i_refcount_loc; - __le64 i_reserved2[4]; + __le64 i_suballoc_loc; /* Suballocator block group this + inode belongs to. Only valid + if allocated from a + discontiguous block group */ +/*A0*/ __le64 i_reserved2[3]; /*B8*/ union { __le64 i_pad1; /* Generic way to refer to this 64bit union */ @@ -809,7 +816,12 @@ struct ocfs2_dx_root_block { __le32 dr_reserved2; __le64 dr_free_blk; /* Pointer to head of free * unindexed block list. */ - __le64 dr_reserved3[15]; + __le64 dr_suballoc_loc; /* Suballocator block group + this root belongs to. + Only valid if allocated + from a discontiguous + block group */ + __le64 dr_reserved3[14]; union { struct ocfs2_extent_list dr_list; /* Keep this aligned to 128 * bits for maximum space @@ -929,7 +941,11 @@ struct ocfs2_refcount_block { /*40*/ __le32 rf_generation; /* generation number. all be the same * for the same refcount tree. */ __le32 rf_reserved0; - __le64 rf_reserved1[7]; + __le64 rf_suballoc_loc; /* Suballocator block group this + refcount block belongs to. Only + valid if allocated from a + discontiguous block group */ +/*50*/ __le64 rf_reserved1[6]; /*80*/ union { struct ocfs2_refcount_list rf_records; /* List of refcount records */ @@ -1041,7 +1057,10 @@ struct ocfs2_xattr_block { real xattr or a xattr tree. */ __le16 xb_reserved0; __le32 xb_reserved1; - __le64 xb_reserved2; + __le64 xb_suballoc_loc; /* Suballocator block group this + xattr block belongs to. Only + valid if allocated from a + discontiguous block group */ /*30*/ union { struct ocfs2_xattr_header xb_header; /* xattr header if this block contains xattr */ |