diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_types.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_types.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index a6b7d98cf68f..5ebdda7e1078 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -166,6 +166,36 @@ typedef struct xfs_bmbt_irec xfs_exntst_t br_state; /* extent state */ } xfs_bmbt_irec_t; +enum xfs_refc_domain { + XFS_REFC_DOMAIN_SHARED = 0, + XFS_REFC_DOMAIN_COW, +}; + +#define XFS_REFC_DOMAIN_STRINGS \ + { XFS_REFC_DOMAIN_SHARED, "shared" }, \ + { XFS_REFC_DOMAIN_COW, "cow" } + +struct xfs_refcount_irec { + xfs_agblock_t rc_startblock; /* starting block number */ + xfs_extlen_t rc_blockcount; /* count of free blocks */ + xfs_nlink_t rc_refcount; /* number of inodes linked here */ + enum xfs_refc_domain rc_domain; /* shared or cow staging extent? */ +}; + +#define XFS_RMAP_ATTR_FORK (1 << 0) +#define XFS_RMAP_BMBT_BLOCK (1 << 1) +#define XFS_RMAP_UNWRITTEN (1 << 2) +#define XFS_RMAP_KEY_FLAGS (XFS_RMAP_ATTR_FORK | \ + XFS_RMAP_BMBT_BLOCK) +#define XFS_RMAP_REC_FLAGS (XFS_RMAP_UNWRITTEN) +struct xfs_rmap_irec { + xfs_agblock_t rm_startblock; /* extent start block */ + xfs_extlen_t rm_blockcount; /* extent length */ + uint64_t rm_owner; /* extent owner */ + uint64_t rm_offset; /* offset within the owner */ + unsigned int rm_flags; /* state flags */ +}; + /* per-AG block reservation types */ enum xfs_ag_resv_type { XFS_AG_RESV_NONE = 0, |