diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_log_format.h')
-rw-r--r-- | fs/xfs/libxfs/xfs_log_format.h | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 3659f04016c0..5dd7c2e8f439 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -114,7 +114,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_RUD_FORMAT 22 #define XLOG_REG_TYPE_CUI_FORMAT 23 #define XLOG_REG_TYPE_CUD_FORMAT 24 -#define XLOG_REG_TYPE_MAX 24 +#define XLOG_REG_TYPE_BUI_FORMAT 25 +#define XLOG_REG_TYPE_BUD_FORMAT 26 +#define XLOG_REG_TYPE_MAX 26 /* * Flags to log operation header @@ -235,6 +237,8 @@ typedef struct xfs_trans_header { #define XFS_LI_RUD 0x1241 #define XFS_LI_CUI 0x1242 /* refcount update intent */ #define XFS_LI_CUD 0x1243 +#define XFS_LI_BUI 0x1244 /* bmbt update intent */ +#define XFS_LI_BUD 0x1245 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -248,7 +252,9 @@ typedef struct xfs_trans_header { { XFS_LI_RUI, "XFS_LI_RUI" }, \ { XFS_LI_RUD, "XFS_LI_RUD" }, \ { XFS_LI_CUI, "XFS_LI_CUI" }, \ - { XFS_LI_CUD, "XFS_LI_CUD" } + { XFS_LI_CUD, "XFS_LI_CUD" }, \ + { XFS_LI_BUI, "XFS_LI_BUI" }, \ + { XFS_LI_BUD, "XFS_LI_BUD" } /* * Inode Log Item Format definitions. @@ -725,6 +731,54 @@ struct xfs_cud_log_format { }; /* + * BUI/BUD (inode block mapping) log format definitions + */ + +/* bmbt me_flags: upper bits are flags, lower byte is type code */ +/* Type codes are taken directly from enum xfs_bmap_intent_type. */ +#define XFS_BMAP_EXTENT_TYPE_MASK 0xFF + +#define XFS_BMAP_EXTENT_ATTR_FORK (1U << 31) +#define XFS_BMAP_EXTENT_UNWRITTEN (1U << 30) + +#define XFS_BMAP_EXTENT_FLAGS (XFS_BMAP_EXTENT_TYPE_MASK | \ + XFS_BMAP_EXTENT_ATTR_FORK | \ + XFS_BMAP_EXTENT_UNWRITTEN) + +/* + * This is the structure used to lay out an bui log item in the + * log. The bui_extents field is a variable size array whose + * size is given by bui_nextents. + */ +struct xfs_bui_log_format { + __uint16_t bui_type; /* bui log item type */ + __uint16_t bui_size; /* size of this item */ + __uint32_t bui_nextents; /* # extents to free */ + __uint64_t bui_id; /* bui identifier */ + struct xfs_map_extent bui_extents[]; /* array of extents to bmap */ +}; + +static inline size_t +xfs_bui_log_format_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_bui_log_format) + + nr * sizeof(struct xfs_map_extent); +} + +/* + * This is the structure used to lay out an bud log item in the + * log. The bud_extents array is a variable size array whose + * size is given by bud_nextents; + */ +struct xfs_bud_log_format { + __uint16_t bud_type; /* bud log item type */ + __uint16_t bud_size; /* size of this item */ + __uint32_t __pad; + __uint64_t bud_bui_id; /* id of corresponding bui */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into |