diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_log_format.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_log_format.h | 412 |
1 files changed, 310 insertions, 102 deletions
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index b322db523d65..908e7060428c 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -31,6 +31,7 @@ typedef uint32_t xlog_tid_t; #define XLOG_BIG_RECORD_BSIZE (32*1024) /* 32k buffers */ #define XLOG_MAX_RECORD_BSIZE (256*1024) #define XLOG_HEADER_CYCLE_SIZE (32*1024) /* cycle data in header */ +#define XLOG_CYCLE_DATA_SIZE (XLOG_HEADER_CYCLE_SIZE / BBSIZE) #define XLOG_MIN_RECORD_BSHIFT 14 /* 16384 == 1 << 14 */ #define XLOG_BIG_RECORD_BSHIFT 15 /* 32k == 1 << 15 */ #define XLOG_MAX_RECORD_BSHIFT 18 /* 256k == 1 << 18 */ @@ -69,7 +70,6 @@ static inline uint xlog_get_cycle(char *ptr) /* Log Clients */ #define XFS_TRANSACTION 0x69 -#define XFS_VOLUME 0x2 #define XFS_LOG 0xaa #define XLOG_UNMOUNT_TYPE 0x556e /* Un for Unmount */ @@ -87,35 +87,6 @@ struct xfs_unmount_log_format { uint32_t pad2; /* may as well make it 64 bits */ }; -/* Region types for iovec's i_type */ -#define XLOG_REG_TYPE_BFORMAT 1 -#define XLOG_REG_TYPE_BCHUNK 2 -#define XLOG_REG_TYPE_EFI_FORMAT 3 -#define XLOG_REG_TYPE_EFD_FORMAT 4 -#define XLOG_REG_TYPE_IFORMAT 5 -#define XLOG_REG_TYPE_ICORE 6 -#define XLOG_REG_TYPE_IEXT 7 -#define XLOG_REG_TYPE_IBROOT 8 -#define XLOG_REG_TYPE_ILOCAL 9 -#define XLOG_REG_TYPE_IATTR_EXT 10 -#define XLOG_REG_TYPE_IATTR_BROOT 11 -#define XLOG_REG_TYPE_IATTR_LOCAL 12 -#define XLOG_REG_TYPE_QFORMAT 13 -#define XLOG_REG_TYPE_DQUOT 14 -#define XLOG_REG_TYPE_QUOTAOFF 15 -#define XLOG_REG_TYPE_LRHEADER 16 -#define XLOG_REG_TYPE_UNMOUNT 17 -#define XLOG_REG_TYPE_COMMIT 18 -#define XLOG_REG_TYPE_TRANSHDR 19 -#define XLOG_REG_TYPE_ICREATE 20 -#define XLOG_REG_TYPE_RUI_FORMAT 21 -#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_BUI_FORMAT 25 -#define XLOG_REG_TYPE_BUD_FORMAT 26 -#define XLOG_REG_TYPE_MAX 26 - /* * Flags to log operation header * @@ -134,14 +105,13 @@ struct xfs_unmount_log_format { #define XLOG_END_TRANS 0x10 /* End a continued transaction */ #define XLOG_UNMOUNT_TRANS 0x20 /* Unmount a filesystem transaction */ - -typedef struct xlog_op_header { +struct xlog_op_header { __be32 oh_tid; /* transaction id of operation : 4 b */ __be32 oh_len; /* bytes in data region : 4 b */ __u8 oh_clientid; /* who sent me this : 1 b */ __u8 oh_flags; /* : 1 b */ __u16 oh_res2; /* 32 bit align : 2 b */ -} xlog_op_header_t; +}; /* valid values for h_fmt */ #define XLOG_FMT_UNKNOWN 0 @@ -156,7 +126,17 @@ typedef struct xlog_op_header { #define XLOG_FMT XLOG_FMT_LINUX_LE #endif -typedef struct xlog_rec_header { +struct xlog_rec_ext_header { + __be32 xh_cycle; /* write cycle of log */ + __be32 xh_cycle_data[XLOG_CYCLE_DATA_SIZE]; + __u8 xh_reserved[252]; +}; + +/* actual ext header payload size for checksumming */ +#define XLOG_REC_EXT_SIZE \ + offsetofend(struct xlog_rec_ext_header, xh_cycle_data) + +struct xlog_rec_header { __be32 h_magicno; /* log record (LR) identifier : 4 */ __be32 h_cycle; /* write cycle of log : 4 */ __be32 h_version; /* LR version : 4 */ @@ -166,34 +146,50 @@ typedef struct xlog_rec_header { __le32 h_crc; /* crc of log record : 4 */ __be32 h_prev_block; /* block number to previous LR : 4 */ __be32 h_num_logops; /* number of log operations in this LR : 4 */ - __be32 h_cycle_data[XLOG_HEADER_CYCLE_SIZE / BBSIZE]; - /* new fields */ + __be32 h_cycle_data[XLOG_CYCLE_DATA_SIZE]; + + /* fields added by the Linux port: */ __be32 h_fmt; /* format of log record : 4 */ uuid_t h_fs_uuid; /* uuid of FS : 16 */ + + /* fields added for log v2: */ __be32 h_size; /* iclog size : 4 */ -} xlog_rec_header_t; -typedef struct xlog_rec_ext_header { - __be32 xh_cycle; /* write cycle of log : 4 */ - __be32 xh_cycle_data[XLOG_HEADER_CYCLE_SIZE / BBSIZE]; /* : 256 */ -} xlog_rec_ext_header_t; + /* + * When h_size added for log v2 support, it caused structure to have + * a different size on i386 vs all other architectures because the + * sum of the size ofthe member is not aligned by that of the largest + * __be64-sized member, and i386 has really odd struct alignment rules. + * + * Due to the way the log headers are placed out on-disk that alone is + * not a problem becaue the xlog_rec_header always sits alone in a + * BBSIZEs area, and the rest of that area is padded with zeroes. + * But xlog_cksum used to calculate the checksum based on the structure + * size, and thus gives different checksums for i386 vs the rest. + * We now do two checksum validation passes for both sizes to allow + * moving v5 file systems with unclean logs between i386 and other + * (little-endian) architectures. + */ + __u32 h_pad0; -/* - * Quite misnamed, because this union lays out the actual on-disk log buffer. - */ -typedef union xlog_in_core2 { - xlog_rec_header_t hic_header; - xlog_rec_ext_header_t hic_xheader; - char hic_sector[XLOG_HEADER_SIZE]; -} xlog_in_core_2_t; + __u8 h_reserved[184]; + struct xlog_rec_ext_header h_ext[]; +}; + +#ifdef __i386__ +#define XLOG_REC_SIZE offsetofend(struct xlog_rec_header, h_size) +#define XLOG_REC_SIZE_OTHER offsetofend(struct xlog_rec_header, h_pad0) +#else +#define XLOG_REC_SIZE offsetofend(struct xlog_rec_header, h_pad0) +#define XLOG_REC_SIZE_OTHER offsetofend(struct xlog_rec_header, h_size) +#endif /* __i386__ */ /* not an on-disk structure, but needed by log recovery in userspace */ -typedef struct xfs_log_iovec { +struct xfs_log_iovec { void *i_addr; /* beginning address of region */ int i_len; /* length in bytes of region */ uint i_type; /* type of region */ -} xfs_log_iovec_t; - +}; /* * Transaction Header definitions. @@ -206,12 +202,12 @@ typedef struct xfs_log_iovec { * Do not change the below structure without redoing the code in * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans(). */ -typedef struct xfs_trans_header { +struct xfs_trans_header { uint th_magic; /* magic number */ uint th_type; /* transaction type */ int32_t th_tid; /* transaction id (unused) */ uint th_num_items; /* num items logged by trans */ -} xfs_trans_header_t; +}; #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */ @@ -237,6 +233,16 @@ typedef struct xfs_trans_header { #define XFS_LI_CUD 0x1243 #define XFS_LI_BUI 0x1244 /* bmbt update intent */ #define XFS_LI_BUD 0x1245 +#define XFS_LI_ATTRI 0x1246 /* attr set/remove intent*/ +#define XFS_LI_ATTRD 0x1247 /* attr set/remove done */ +#define XFS_LI_XMI 0x1248 /* mapping exchange intent */ +#define XFS_LI_XMD 0x1249 /* mapping exchange done */ +#define XFS_LI_EFI_RT 0x124a /* realtime extent free intent */ +#define XFS_LI_EFD_RT 0x124b /* realtime extent free done */ +#define XFS_LI_RUI_RT 0x124c /* realtime rmap update intent */ +#define XFS_LI_RUD_RT 0x124d /* realtime rmap update done */ +#define XFS_LI_CUI_RT 0x124e /* realtime refcount update intent */ +#define XFS_LI_CUD_RT 0x124f /* realtime refcount update done */ #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -252,7 +258,17 @@ typedef struct xfs_trans_header { { XFS_LI_CUI, "XFS_LI_CUI" }, \ { XFS_LI_CUD, "XFS_LI_CUD" }, \ { XFS_LI_BUI, "XFS_LI_BUI" }, \ - { XFS_LI_BUD, "XFS_LI_BUD" } + { XFS_LI_BUD, "XFS_LI_BUD" }, \ + { XFS_LI_ATTRI, "XFS_LI_ATTRI" }, \ + { XFS_LI_ATTRD, "XFS_LI_ATTRD" }, \ + { XFS_LI_XMI, "XFS_LI_XMI" }, \ + { XFS_LI_XMD, "XFS_LI_XMD" }, \ + { XFS_LI_EFI_RT, "XFS_LI_EFI_RT" }, \ + { XFS_LI_EFD_RT, "XFS_LI_EFD_RT" }, \ + { XFS_LI_RUI_RT, "XFS_LI_RUI_RT" }, \ + { XFS_LI_RUD_RT, "XFS_LI_RUD_RT" }, \ + { XFS_LI_CUI_RT, "XFS_LI_CUI_RT" }, \ + { XFS_LI_CUD_RT, "XFS_LI_CUD_RT" } /* * Inode Log Item Format definitions. @@ -316,7 +332,6 @@ struct xfs_inode_log_format_32 { #define XFS_ILOG_DOWNER 0x200 /* change the data fork owner on replay */ #define XFS_ILOG_AOWNER 0x400 /* change the attr fork owner on replay */ - /* * The timestamps are dirty, but not necessarily anything else in the inode * core. Unlike the other fields above this one must never make it to disk @@ -325,11 +340,13 @@ struct xfs_inode_log_format_32 { */ #define XFS_ILOG_TIMESTAMP 0x4000 -#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ - XFS_ILOG_DBROOT | XFS_ILOG_DEV | \ - XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ - XFS_ILOG_ABROOT | XFS_ILOG_DOWNER | \ - XFS_ILOG_AOWNER) +/* + * The version field has been changed, but not necessarily anything else of + * interest. This must never make it to disk - it is used purely to ensure that + * the inode item ->precommit operation can update the fsync flag triggers + * in the inode item correctly. + */ +#define XFS_ILOG_IVERSION 0x8000 #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ XFS_ILOG_DBROOT) @@ -382,22 +399,47 @@ struct xfs_log_dinode { uint16_t di_mode; /* mode and type of file */ int8_t di_version; /* inode version */ int8_t di_format; /* format of di_c data */ - uint8_t di_pad3[2]; /* unused in v2/3 inodes */ + uint16_t di_metatype; /* metadata type, if DIFLAG2_METADATA */ uint32_t di_uid; /* owner's user id */ uint32_t di_gid; /* owner's group id */ uint32_t di_nlink; /* number of links to file */ uint16_t di_projid_lo; /* lower part of owner's project id */ uint16_t di_projid_hi; /* higher part of owner's project id */ - uint8_t di_pad[6]; /* unused, zeroed space */ - uint16_t di_flushiter; /* incremented on flush */ + union { + /* Number of data fork extents if NREXT64 is set */ + uint64_t di_big_nextents; + + /* Padding for V3 inodes without NREXT64 set. */ + uint64_t di_v3_pad; + + /* Padding and inode flush counter for V2 inodes. */ + struct { + uint8_t di_v2_pad[6]; /* V2 inode zeroed space */ + uint16_t di_flushiter; /* V2 inode incremented on flush */ + }; + }; xfs_log_timestamp_t di_atime; /* time last accessed */ xfs_log_timestamp_t di_mtime; /* time last modified */ xfs_log_timestamp_t di_ctime; /* time created/inode modified */ xfs_fsize_t di_size; /* number of bytes in file */ xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ - xfs_extnum_t di_nextents; /* number of extents in data fork */ - xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ + union { + /* + * For V2 inodes and V3 inodes without NREXT64 set, this + * is the number of data and attr fork extents. + */ + struct { + uint32_t di_nextents; + uint16_t di_anextents; + } __packed; + + /* Number of attr fork extents if NREXT64 is set. */ + struct { + uint32_t di_big_anextents; + uint16_t di_nrext64_pad; + } __packed; + } __packed; uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ int8_t di_aformat; /* format of attr fork's data */ uint32_t di_dmevmask; /* DMIG event mask */ @@ -422,7 +464,12 @@ struct xfs_log_dinode { xfs_lsn_t di_lsn; uint64_t di_flags2; /* more random flags */ - uint32_t di_cowextsize; /* basic cow extent size for file */ + union { + /* basic cow extent size for (regular) file */ + uint32_t di_cowextsize; + /* used blocks in RTG for (zoned) rtrmap inode */ + uint32_t di_used_blocks; + }; uint8_t di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ @@ -484,7 +531,7 @@ struct xfs_log_dinode { #define __XFS_BLF_DATAMAP_SIZE ((XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK) / NBWORD) #define XFS_BLF_DATAMAP_SIZE (__XFS_BLF_DATAMAP_SIZE + 1) -typedef struct xfs_buf_log_format { +struct xfs_buf_log_format { unsigned short blf_type; /* buf log item type indicator */ unsigned short blf_size; /* size of this item */ unsigned short blf_flags; /* misc state */ @@ -492,7 +539,7 @@ typedef struct xfs_buf_log_format { int64_t blf_blkno; /* starting blkno of this buf */ unsigned int blf_map_size; /* used size of data bitmap in words */ unsigned int blf_data_map[XFS_BLF_DATAMAP_SIZE]; /* dirty bitmap */ -} xfs_buf_log_format_t; +}; /* * All buffers now need to tell recovery where the magic number @@ -548,85 +595,134 @@ xfs_blft_from_flags(struct xfs_buf_log_format *blf) /* * EFI/EFD log format definitions */ -typedef struct xfs_extent { +struct xfs_extent { xfs_fsblock_t ext_start; xfs_extlen_t ext_len; -} xfs_extent_t; +}; /* - * Since an xfs_extent_t has types (start:64, len: 32) - * there are different alignments on 32 bit and 64 bit kernels. - * So we provide the different variants for use by a - * conversion routine. + * Since the structures in struct xfs_extent add up to 96 bytes, it has + * different alignments on i386 vs all other architectures, because i386 + * does not pad structures to their natural alignment. + * + * Provide the different variants for use by a conversion routine. */ -typedef struct xfs_extent_32 { +struct xfs_extent_32 { uint64_t ext_start; uint32_t ext_len; -} __attribute__((packed)) xfs_extent_32_t; +} __attribute__((packed)); -typedef struct xfs_extent_64 { +struct xfs_extent_64 { uint64_t ext_start; uint32_t ext_len; uint32_t ext_pad; -} xfs_extent_64_t; +}; /* * This is the structure used to lay out an efi log item in the * log. The efi_extents field is a variable size array whose * size is given by efi_nextents. */ -typedef struct xfs_efi_log_format { +struct xfs_efi_log_format { uint16_t efi_type; /* efi log item type */ uint16_t efi_size; /* size of this item */ uint32_t efi_nextents; /* # extents to free */ uint64_t efi_id; /* efi identifier */ - xfs_extent_t efi_extents[1]; /* array of extents to free */ -} xfs_efi_log_format_t; + struct xfs_extent efi_extents[]; /* array of extents to free */ +}; -typedef struct xfs_efi_log_format_32 { +static inline size_t +xfs_efi_log_format_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_efi_log_format) + + nr * sizeof(struct xfs_extent); +} + +struct xfs_efi_log_format_32 { uint16_t efi_type; /* efi log item type */ uint16_t efi_size; /* size of this item */ uint32_t efi_nextents; /* # extents to free */ uint64_t efi_id; /* efi identifier */ - xfs_extent_32_t efi_extents[1]; /* array of extents to free */ -} __attribute__((packed)) xfs_efi_log_format_32_t; + struct xfs_extent_32 efi_extents[]; /* array of extents to free */ +} __attribute__((packed)); -typedef struct xfs_efi_log_format_64 { +static inline size_t +xfs_efi_log_format32_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_efi_log_format_32) + + nr * sizeof(struct xfs_extent_32); +} + +struct xfs_efi_log_format_64 { uint16_t efi_type; /* efi log item type */ uint16_t efi_size; /* size of this item */ uint32_t efi_nextents; /* # extents to free */ uint64_t efi_id; /* efi identifier */ - xfs_extent_64_t efi_extents[1]; /* array of extents to free */ -} xfs_efi_log_format_64_t; + struct xfs_extent_64 efi_extents[]; /* array of extents to free */ +}; + +static inline size_t +xfs_efi_log_format64_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_efi_log_format_64) + + nr * sizeof(struct xfs_extent_64); +} /* * This is the structure used to lay out an efd log item in the * log. The efd_extents array is a variable size array whose * size is given by efd_nextents; */ -typedef struct xfs_efd_log_format { +struct xfs_efd_log_format { uint16_t efd_type; /* efd log item type */ uint16_t efd_size; /* size of this item */ uint32_t efd_nextents; /* # of extents freed */ uint64_t efd_efi_id; /* id of corresponding efi */ - xfs_extent_t efd_extents[1]; /* array of extents freed */ -} xfs_efd_log_format_t; + struct xfs_extent efd_extents[]; /* array of extents freed */ +}; -typedef struct xfs_efd_log_format_32 { +static inline size_t +xfs_efd_log_format_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_efd_log_format) + + nr * sizeof(struct xfs_extent); +} + +struct xfs_efd_log_format_32 { uint16_t efd_type; /* efd log item type */ uint16_t efd_size; /* size of this item */ uint32_t efd_nextents; /* # of extents freed */ uint64_t efd_efi_id; /* id of corresponding efi */ - xfs_extent_32_t efd_extents[1]; /* array of extents freed */ -} __attribute__((packed)) xfs_efd_log_format_32_t; + struct xfs_extent_32 efd_extents[]; /* array of extents freed */ +} __attribute__((packed)); -typedef struct xfs_efd_log_format_64 { +static inline size_t +xfs_efd_log_format32_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_efd_log_format_32) + + nr * sizeof(struct xfs_extent_32); +} + +struct xfs_efd_log_format_64 { uint16_t efd_type; /* efd log item type */ uint16_t efd_size; /* size of this item */ uint32_t efd_nextents; /* # of extents freed */ uint64_t efd_efi_id; /* id of corresponding efi */ - xfs_extent_64_t efd_extents[1]; /* array of extents freed */ -} xfs_efd_log_format_64_t; + struct xfs_extent_64 efd_extents[]; /* array of extents freed */ +}; + +static inline size_t +xfs_efd_log_format64_sizeof( + unsigned int nr) +{ + return sizeof(struct xfs_efd_log_format_64) + + nr * sizeof(struct xfs_extent_64); +} /* * RUI/RUD (reverse mapping) log format definitions @@ -750,10 +846,12 @@ struct xfs_cud_log_format { #define XFS_BMAP_EXTENT_ATTR_FORK (1U << 31) #define XFS_BMAP_EXTENT_UNWRITTEN (1U << 30) +#define XFS_BMAP_EXTENT_REALTIME (1U << 29) #define XFS_BMAP_EXTENT_FLAGS (XFS_BMAP_EXTENT_TYPE_MASK | \ XFS_BMAP_EXTENT_ATTR_FORK | \ - XFS_BMAP_EXTENT_UNWRITTEN) + XFS_BMAP_EXTENT_UNWRITTEN | \ + XFS_BMAP_EXTENT_REALTIME) /* * This is the structure used to lay out an bui log item in the @@ -789,19 +887,74 @@ struct xfs_bud_log_format { }; /* + * XMI/XMD (file mapping exchange) log format definitions + */ + +/* This is the structure used to lay out an mapping exchange log item. */ +struct xfs_xmi_log_format { + uint16_t xmi_type; /* xmi log item type */ + uint16_t xmi_size; /* size of this item */ + uint32_t __pad; /* must be zero */ + uint64_t xmi_id; /* xmi identifier */ + + uint64_t xmi_inode1; /* inumber of first file */ + uint64_t xmi_inode2; /* inumber of second file */ + uint32_t xmi_igen1; /* generation of first file */ + uint32_t xmi_igen2; /* generation of second file */ + uint64_t xmi_startoff1; /* block offset into file1 */ + uint64_t xmi_startoff2; /* block offset into file2 */ + uint64_t xmi_blockcount; /* number of blocks */ + uint64_t xmi_flags; /* XFS_EXCHMAPS_* */ + uint64_t xmi_isize1; /* intended file1 size */ + uint64_t xmi_isize2; /* intended file2 size */ +}; + +/* Exchange mappings between extended attribute forks instead of data forks. */ +#define XFS_EXCHMAPS_ATTR_FORK (1ULL << 0) + +/* Set the file sizes when finished. */ +#define XFS_EXCHMAPS_SET_SIZES (1ULL << 1) + +/* + * Exchange the mappings of the two files only if the file allocation units + * mapped to file1's range have been written. + */ +#define XFS_EXCHMAPS_INO1_WRITTEN (1ULL << 2) + +/* Clear the reflink flag from inode1 after the operation. */ +#define XFS_EXCHMAPS_CLEAR_INO1_REFLINK (1ULL << 3) + +/* Clear the reflink flag from inode2 after the operation. */ +#define XFS_EXCHMAPS_CLEAR_INO2_REFLINK (1ULL << 4) + +#define XFS_EXCHMAPS_LOGGED_FLAGS (XFS_EXCHMAPS_ATTR_FORK | \ + XFS_EXCHMAPS_SET_SIZES | \ + XFS_EXCHMAPS_INO1_WRITTEN | \ + XFS_EXCHMAPS_CLEAR_INO1_REFLINK | \ + XFS_EXCHMAPS_CLEAR_INO2_REFLINK) + +/* This is the structure used to lay out an mapping exchange done log item. */ +struct xfs_xmd_log_format { + uint16_t xmd_type; /* xmd log item type */ + uint16_t xmd_size; /* size of this item */ + uint32_t __pad; + uint64_t xmd_xmi_id; /* id of corresponding xmi */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into * 32 bits : log_recovery code assumes that. */ -typedef struct xfs_dq_logformat { +struct xfs_dq_logformat { uint16_t qlf_type; /* dquot log item type */ uint16_t qlf_size; /* size of this item */ xfs_dqid_t qlf_id; /* usr/grp/proj id : 32 bits */ int64_t qlf_blkno; /* blkno of dquot buffer */ int32_t qlf_len; /* len of dquot buffer */ uint32_t qlf_boffset; /* off of dquot in buffer */ -} xfs_dq_logformat_t; +}; /* * log format struct for QUOTAOFF records. @@ -811,12 +964,12 @@ typedef struct xfs_dq_logformat { * to the first and ensures that the first logitem is taken out of the AIL * only when the last one is securely committed. */ -typedef struct xfs_qoff_logformat { +struct xfs_qoff_logformat { unsigned short qf_type; /* quotaoff log item type */ unsigned short qf_size; /* size of this item */ unsigned int qf_flags; /* USR and/or GRP */ char qf_pad[12]; /* padding for future */ -} xfs_qoff_logformat_t; +}; /* * Disk quotas status in m_qflags, and also sb_qflags. 16 bits. @@ -869,4 +1022,59 @@ struct xfs_icreate_log { __be32 icl_gen; /* inode generation number to use */ }; +/* + * Flags for deferred attribute operations. + * Upper bits are flags, lower byte is type code + */ +#define XFS_ATTRI_OP_FLAGS_SET 1 /* Set the attribute */ +#define XFS_ATTRI_OP_FLAGS_REMOVE 2 /* Remove the attribute */ +#define XFS_ATTRI_OP_FLAGS_REPLACE 3 /* Replace the attribute */ +#define XFS_ATTRI_OP_FLAGS_PPTR_SET 4 /* Set parent pointer */ +#define XFS_ATTRI_OP_FLAGS_PPTR_REMOVE 5 /* Remove parent pointer */ +#define XFS_ATTRI_OP_FLAGS_PPTR_REPLACE 6 /* Replace parent pointer */ +#define XFS_ATTRI_OP_FLAGS_TYPE_MASK 0xFF /* Flags type mask */ + +/* + * alfi_attr_filter captures the state of xfs_da_args.attr_filter, so it should + * never have any other bits set. + */ +#define XFS_ATTRI_FILTER_MASK (XFS_ATTR_ROOT | \ + XFS_ATTR_SECURE | \ + XFS_ATTR_PARENT | \ + XFS_ATTR_INCOMPLETE) + +/* + * This is the structure used to lay out an attr log item in the + * log. + */ +struct xfs_attri_log_format { + uint16_t alfi_type; /* attri log item type */ + uint16_t alfi_size; /* size of this item */ + uint32_t alfi_igen; /* generation of alfi_ino for pptr ops */ + uint64_t alfi_id; /* attri identifier */ + uint64_t alfi_ino; /* the inode for this attr operation */ + uint32_t alfi_op_flags; /* marks the op as a set or remove */ + union { + uint32_t alfi_name_len; /* attr name length */ + struct { + /* + * For PPTR_REPLACE, these are the lengths of the old + * and new attr names. The new and old values must + * have the same length. + */ + uint16_t alfi_old_name_len; + uint16_t alfi_new_name_len; + }; + }; + uint32_t alfi_value_len; /* attr value length */ + uint32_t alfi_attr_filter;/* attr filter flags */ +}; + +struct xfs_attrd_log_format { + uint16_t alfd_type; /* attrd log item type */ + uint16_t alfd_size; /* size of this item */ + uint32_t __pad; /* pad to 64 bit aligned */ + uint64_t alfd_alf_id; /* id of corresponding attri */ +}; + #endif /* __XFS_LOG_FORMAT_H__ */ |