diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_format.h | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 4d47a3e723aa..b1007fb661ba 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -857,6 +857,8 @@ enum xfs_metafile_type { XFS_METAFILE_PRJQUOTA, /* project quota */ XFS_METAFILE_RTBITMAP, /* rt bitmap */ XFS_METAFILE_RTSUMMARY, /* rt summary */ + XFS_METAFILE_RTRMAP, /* rt rmap */ + XFS_METAFILE_RTREFCOUNT, /* rt refcount */ XFS_METAFILE_MAX } __packed; @@ -868,7 +870,9 @@ enum xfs_metafile_type { { XFS_METAFILE_GRPQUOTA, "grpquota" }, \ { XFS_METAFILE_PRJQUOTA, "prjquota" }, \ { XFS_METAFILE_RTBITMAP, "rtbitmap" }, \ - { XFS_METAFILE_RTSUMMARY, "rtsummary" } + { XFS_METAFILE_RTSUMMARY, "rtsummary" }, \ + { XFS_METAFILE_RTRMAP, "rtrmap" }, \ + { XFS_METAFILE_RTREFCOUNT, "rtrefcount" } /* * On-disk inode structure. @@ -997,7 +1001,8 @@ enum xfs_dinode_fmt { XFS_DINODE_FMT_LOCAL, /* bulk data */ XFS_DINODE_FMT_EXTENTS, /* struct xfs_bmbt_rec */ XFS_DINODE_FMT_BTREE, /* struct xfs_bmdr_block */ - XFS_DINODE_FMT_UUID /* added long ago, but never used */ + XFS_DINODE_FMT_UUID, /* added long ago, but never used */ + XFS_DINODE_FMT_META_BTREE, /* metadata btree */ }; #define XFS_INODE_FORMAT_STR \ @@ -1005,7 +1010,8 @@ enum xfs_dinode_fmt { { XFS_DINODE_FMT_LOCAL, "local" }, \ { XFS_DINODE_FMT_EXTENTS, "extent" }, \ { XFS_DINODE_FMT_BTREE, "btree" }, \ - { XFS_DINODE_FMT_UUID, "uuid" } + { XFS_DINODE_FMT_UUID, "uuid" }, \ + { XFS_DINODE_FMT_META_BTREE, "meta_btree" } /* * Max values for extnum and aextnum. @@ -1726,6 +1732,24 @@ typedef __be32 xfs_rmap_ptr_t; XFS_IBT_BLOCK(mp) + 1) /* + * Realtime Reverse mapping btree format definitions + * + * This is a btree for reverse mapping records for realtime volumes + */ +#define XFS_RTRMAP_CRC_MAGIC 0x4d415052 /* 'MAPR' */ + +/* + * rtrmap root header, on-disk form only. + */ +struct xfs_rtrmap_root { + __be16 bb_level; /* 0 is a leaf */ + __be16 bb_numrecs; /* current # of data records */ +}; + +/* inode-based btree pointer type */ +typedef __be64 xfs_rtrmap_ptr_t; + +/* * Reference Count Btree format definitions * */ @@ -1768,12 +1792,29 @@ struct xfs_refcount_key { __be32 rc_startblock; /* starting block number */ }; -#define MAXREFCOUNT ((xfs_nlink_t)~0U) -#define MAXREFCEXTLEN ((xfs_extlen_t)~0U) +#define XFS_REFC_REFCOUNT_MAX ((xfs_nlink_t)~0U) +#define XFS_REFC_LEN_MAX ((xfs_extlen_t)~0U) /* btree pointer type */ typedef __be32 xfs_refcount_ptr_t; +/* + * Realtime Reference Count btree format definitions + * + * This is a btree for reference count records for realtime volumes + */ +#define XFS_RTREFC_CRC_MAGIC 0x52434e54 /* 'RCNT' */ + +/* + * rt refcount root header, on-disk form only. + */ +struct xfs_rtrefcount_root { + __be16 bb_level; /* 0 is a leaf */ + __be16 bb_numrecs; /* current # of data records */ +}; + +/* inode-rooted btree pointer type */ +typedef __be64 xfs_rtrefcount_ptr_t; /* * BMAP Btree format definitions |