From: Christoph Hellwig Date: Mon, 4 Dec 2023 20:07:19 +0000 (+0100) Subject: xfs: move xfs_ondisk.h to libxfs/ X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=18793e050504288345eb455a471677b57117bcc6;p=linux.git xfs: move xfs_ondisk.h to libxfs/ Move xfs_ondisk.h to libxfs so that we can do the struct sanity checks in userspace libxfs as well. This should allow us to retire the somewhat fragile xfs/122 test on xfstests. Signed-off-by: Christoph Hellwig Reviewed-by: "Darrick J. Wong" Reviewed-by: Carlos Maiolino Signed-off-by: Chandan Babu R --- diff --git a/fs/xfs/libxfs/xfs_ondisk.h b/fs/xfs/libxfs/xfs_ondisk.h new file mode 100644 index 0000000000000..d9c988c5ad692 --- /dev/null +++ b/fs/xfs/libxfs/xfs_ondisk.h @@ -0,0 +1,199 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2016 Oracle. + * All Rights Reserved. + */ +#ifndef __XFS_ONDISK_H +#define __XFS_ONDISK_H + +#define XFS_CHECK_STRUCT_SIZE(structname, size) \ + static_assert(sizeof(structname) == (size), \ + "XFS: sizeof(" #structname ") is wrong, expected " #size) + +#define XFS_CHECK_OFFSET(structname, member, off) \ + static_assert(offsetof(structname, member) == (off), \ + "XFS: offsetof(" #structname ", " #member ") is wrong, " \ + "expected " #off) + +#define XFS_CHECK_VALUE(value, expected) \ + static_assert((value) == (expected), \ + "XFS: value of " #value " is wrong, expected " #expected) + +static inline void __init +xfs_check_ondisk_structs(void) +{ + /* ag/file structures */ + XFS_CHECK_STRUCT_SIZE(struct xfs_acl, 4); + XFS_CHECK_STRUCT_SIZE(struct xfs_acl_entry, 12); + XFS_CHECK_STRUCT_SIZE(struct xfs_agf, 224); + XFS_CHECK_STRUCT_SIZE(struct xfs_agfl, 36); + XFS_CHECK_STRUCT_SIZE(struct xfs_agi, 344); + XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key, 8); + XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block, 4); + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_shdr, 48); + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_lhdr, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block, 72); + XFS_CHECK_STRUCT_SIZE(struct xfs_dinode, 176); + XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot, 104); + XFS_CHECK_STRUCT_SIZE(struct xfs_dqblk, 136); + XFS_CHECK_STRUCT_SIZE(struct xfs_dsb, 264); + XFS_CHECK_STRUCT_SIZE(struct xfs_dsymlink_hdr, 56); + XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_key, 4); + XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_rec, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_key, 4); + XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_rec, 12); + XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_key, 20); + XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_rec, 24); + XFS_CHECK_STRUCT_SIZE(xfs_timestamp_t, 8); + XFS_CHECK_STRUCT_SIZE(struct xfs_legacy_timestamp, 8); + XFS_CHECK_STRUCT_SIZE(xfs_alloc_key_t, 8); + XFS_CHECK_STRUCT_SIZE(xfs_alloc_ptr_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_alloc_rec_t, 8); + XFS_CHECK_STRUCT_SIZE(xfs_inobt_ptr_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_refcount_ptr_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_rmap_ptr_t, 4); + + /* dir/attr trees */ + XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leaf_hdr, 80); + XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leafblock, 80); + XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_rmt_hdr, 56); + XFS_CHECK_STRUCT_SIZE(struct xfs_da3_blkinfo, 56); + XFS_CHECK_STRUCT_SIZE(struct xfs_da3_intnode, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_da3_node_hdr, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_blk_hdr, 48); + XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_data_hdr, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_free, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_free_hdr, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_leaf, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_leaf_hdr, 64); + XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_entry_t, 8); + XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_hdr_t, 32); + XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_map_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_local_t, 4); + + /* realtime structures */ + XFS_CHECK_STRUCT_SIZE(union xfs_rtword_raw, 4); + XFS_CHECK_STRUCT_SIZE(union xfs_suminfo_raw, 4); + + /* + * m68k has problems with xfs_attr_leaf_name_remote_t, but we pad it to + * 4 bytes anyway so it's not obviously a problem. Hence for the moment + * we don't check this structure. This can be re-instated when the attr + * definitions are updated to use c99 VLA definitions. + * + XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12); + */ + + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, valuelen, 0); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, namelen, 2); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, nameval, 3); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valueblk, 0); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valuelen, 4); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, namelen, 8); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, name, 9); + XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 32); + XFS_CHECK_STRUCT_SIZE(struct xfs_attr_shortform, 4); + XFS_CHECK_OFFSET(struct xfs_attr_shortform, hdr.totsize, 0); + XFS_CHECK_OFFSET(struct xfs_attr_shortform, hdr.count, 2); + XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].namelen, 4); + XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].valuelen, 5); + XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].flags, 6); + XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].nameval, 7); + XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12); + XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16); + XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8); + XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16); + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, freetag, 0); + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_entry_t, 8); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_hdr_t, 16); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); + XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); + + /* log structures */ + XFS_CHECK_STRUCT_SIZE(struct xfs_buf_log_format, 88); + XFS_CHECK_STRUCT_SIZE(struct xfs_dq_logformat, 24); + XFS_CHECK_STRUCT_SIZE(struct xfs_efd_log_format_32, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_efd_log_format_64, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_efi_log_format_32, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_efi_log_format_64, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_extent_32, 12); + XFS_CHECK_STRUCT_SIZE(struct xfs_extent_64, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_log_dinode, 176); + XFS_CHECK_STRUCT_SIZE(struct xfs_icreate_log, 28); + XFS_CHECK_STRUCT_SIZE(xfs_log_timestamp_t, 8); + XFS_CHECK_STRUCT_SIZE(struct xfs_log_legacy_timestamp, 8); + XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_32, 52); + XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format, 56); + XFS_CHECK_STRUCT_SIZE(struct xfs_qoff_logformat, 20); + XFS_CHECK_STRUCT_SIZE(struct xfs_trans_header, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_attri_log_format, 40); + XFS_CHECK_STRUCT_SIZE(struct xfs_attrd_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_bui_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_bud_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_cui_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_cud_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_rui_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_rud_log_format, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_map_extent, 32); + XFS_CHECK_STRUCT_SIZE(struct xfs_phys_extent, 16); + + XFS_CHECK_OFFSET(struct xfs_bui_log_format, bui_extents, 16); + XFS_CHECK_OFFSET(struct xfs_cui_log_format, cui_extents, 16); + XFS_CHECK_OFFSET(struct xfs_rui_log_format, rui_extents, 16); + XFS_CHECK_OFFSET(struct xfs_efi_log_format, efi_extents, 16); + XFS_CHECK_OFFSET(struct xfs_efi_log_format_32, efi_extents, 16); + XFS_CHECK_OFFSET(struct xfs_efi_log_format_64, efi_extents, 16); + + /* + * The v5 superblock format extended several v4 header structures with + * additional data. While new fields are only accessible on v5 + * superblocks, it's important that the v5 structures place original v4 + * fields/headers in the correct location on-disk. For example, we must + * be able to find magic values at the same location in certain blocks + * regardless of superblock version. + * + * The following checks ensure that various v5 data structures place the + * subset of v4 metadata associated with the same type of block at the + * start of the on-disk block. If there is no data structure definition + * for certain types of v4 blocks, traverse down to the first field of + * common metadata (e.g., magic value) and make sure it is at offset + * zero. + */ + XFS_CHECK_OFFSET(struct xfs_dir3_leaf, hdr.info.hdr, 0); + XFS_CHECK_OFFSET(struct xfs_da3_intnode, hdr.info.hdr, 0); + XFS_CHECK_OFFSET(struct xfs_dir3_data_hdr, hdr.magic, 0); + XFS_CHECK_OFFSET(struct xfs_dir3_free, hdr.hdr.magic, 0); + XFS_CHECK_OFFSET(struct xfs_attr3_leafblock, hdr.info.hdr, 0); + + XFS_CHECK_STRUCT_SIZE(struct xfs_bulkstat, 192); + XFS_CHECK_STRUCT_SIZE(struct xfs_inumbers, 24); + XFS_CHECK_STRUCT_SIZE(struct xfs_bulkstat_req, 64); + XFS_CHECK_STRUCT_SIZE(struct xfs_inumbers_req, 64); + + /* + * Make sure the incore inode timestamp range corresponds to hand + * converted values based on the ondisk format specification. + */ + XFS_CHECK_VALUE(XFS_BIGTIME_TIME_MIN - XFS_BIGTIME_EPOCH_OFFSET, + XFS_LEGACY_TIME_MIN); + XFS_CHECK_VALUE(XFS_BIGTIME_TIME_MAX - XFS_BIGTIME_EPOCH_OFFSET, + 16299260424LL); + + /* Do the same with the incore quota expiration range. */ + XFS_CHECK_VALUE(XFS_DQ_BIGTIME_EXPIRY_MIN << XFS_DQ_BIGTIME_SHIFT, 4); + XFS_CHECK_VALUE(XFS_DQ_BIGTIME_EXPIRY_MAX << XFS_DQ_BIGTIME_SHIFT, + 16299260424LL); +} + +#endif /* __XFS_ONDISK_H */ diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h deleted file mode 100644 index d9c988c5ad692..0000000000000 --- a/fs/xfs/xfs_ondisk.h +++ /dev/null @@ -1,199 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2016 Oracle. - * All Rights Reserved. - */ -#ifndef __XFS_ONDISK_H -#define __XFS_ONDISK_H - -#define XFS_CHECK_STRUCT_SIZE(structname, size) \ - static_assert(sizeof(structname) == (size), \ - "XFS: sizeof(" #structname ") is wrong, expected " #size) - -#define XFS_CHECK_OFFSET(structname, member, off) \ - static_assert(offsetof(structname, member) == (off), \ - "XFS: offsetof(" #structname ", " #member ") is wrong, " \ - "expected " #off) - -#define XFS_CHECK_VALUE(value, expected) \ - static_assert((value) == (expected), \ - "XFS: value of " #value " is wrong, expected " #expected) - -static inline void __init -xfs_check_ondisk_structs(void) -{ - /* ag/file structures */ - XFS_CHECK_STRUCT_SIZE(struct xfs_acl, 4); - XFS_CHECK_STRUCT_SIZE(struct xfs_acl_entry, 12); - XFS_CHECK_STRUCT_SIZE(struct xfs_agf, 224); - XFS_CHECK_STRUCT_SIZE(struct xfs_agfl, 36); - XFS_CHECK_STRUCT_SIZE(struct xfs_agi, 344); - XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key, 8); - XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block, 4); - XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_shdr, 48); - XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_lhdr, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block, 72); - XFS_CHECK_STRUCT_SIZE(struct xfs_dinode, 176); - XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot, 104); - XFS_CHECK_STRUCT_SIZE(struct xfs_dqblk, 136); - XFS_CHECK_STRUCT_SIZE(struct xfs_dsb, 264); - XFS_CHECK_STRUCT_SIZE(struct xfs_dsymlink_hdr, 56); - XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_key, 4); - XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_rec, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_key, 4); - XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_rec, 12); - XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_key, 20); - XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_rec, 24); - XFS_CHECK_STRUCT_SIZE(xfs_timestamp_t, 8); - XFS_CHECK_STRUCT_SIZE(struct xfs_legacy_timestamp, 8); - XFS_CHECK_STRUCT_SIZE(xfs_alloc_key_t, 8); - XFS_CHECK_STRUCT_SIZE(xfs_alloc_ptr_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_alloc_rec_t, 8); - XFS_CHECK_STRUCT_SIZE(xfs_inobt_ptr_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_refcount_ptr_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_rmap_ptr_t, 4); - - /* dir/attr trees */ - XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leaf_hdr, 80); - XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leafblock, 80); - XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_rmt_hdr, 56); - XFS_CHECK_STRUCT_SIZE(struct xfs_da3_blkinfo, 56); - XFS_CHECK_STRUCT_SIZE(struct xfs_da3_intnode, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_da3_node_hdr, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_blk_hdr, 48); - XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_data_hdr, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_free, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_free_hdr, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_leaf, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_leaf_hdr, 64); - XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_entry_t, 8); - XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_hdr_t, 32); - XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_map_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_local_t, 4); - - /* realtime structures */ - XFS_CHECK_STRUCT_SIZE(union xfs_rtword_raw, 4); - XFS_CHECK_STRUCT_SIZE(union xfs_suminfo_raw, 4); - - /* - * m68k has problems with xfs_attr_leaf_name_remote_t, but we pad it to - * 4 bytes anyway so it's not obviously a problem. Hence for the moment - * we don't check this structure. This can be re-instated when the attr - * definitions are updated to use c99 VLA definitions. - * - XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12); - */ - - XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, valuelen, 0); - XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, namelen, 2); - XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, nameval, 3); - XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valueblk, 0); - XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valuelen, 4); - XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, namelen, 8); - XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, name, 9); - XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 32); - XFS_CHECK_STRUCT_SIZE(struct xfs_attr_shortform, 4); - XFS_CHECK_OFFSET(struct xfs_attr_shortform, hdr.totsize, 0); - XFS_CHECK_OFFSET(struct xfs_attr_shortform, hdr.count, 2); - XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].namelen, 4); - XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].valuelen, 5); - XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].flags, 6); - XFS_CHECK_OFFSET(struct xfs_attr_shortform, list[0].nameval, 7); - XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12); - XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8); - XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16); - XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, freetag, 0); - XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_entry_t, 8); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_hdr_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); - XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); - XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); - XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); - - /* log structures */ - XFS_CHECK_STRUCT_SIZE(struct xfs_buf_log_format, 88); - XFS_CHECK_STRUCT_SIZE(struct xfs_dq_logformat, 24); - XFS_CHECK_STRUCT_SIZE(struct xfs_efd_log_format_32, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_efd_log_format_64, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_efi_log_format_32, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_efi_log_format_64, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_extent_32, 12); - XFS_CHECK_STRUCT_SIZE(struct xfs_extent_64, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_log_dinode, 176); - XFS_CHECK_STRUCT_SIZE(struct xfs_icreate_log, 28); - XFS_CHECK_STRUCT_SIZE(xfs_log_timestamp_t, 8); - XFS_CHECK_STRUCT_SIZE(struct xfs_log_legacy_timestamp, 8); - XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_32, 52); - XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format, 56); - XFS_CHECK_STRUCT_SIZE(struct xfs_qoff_logformat, 20); - XFS_CHECK_STRUCT_SIZE(struct xfs_trans_header, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_attri_log_format, 40); - XFS_CHECK_STRUCT_SIZE(struct xfs_attrd_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_bui_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_bud_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_cui_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_cud_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_rui_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_rud_log_format, 16); - XFS_CHECK_STRUCT_SIZE(struct xfs_map_extent, 32); - XFS_CHECK_STRUCT_SIZE(struct xfs_phys_extent, 16); - - XFS_CHECK_OFFSET(struct xfs_bui_log_format, bui_extents, 16); - XFS_CHECK_OFFSET(struct xfs_cui_log_format, cui_extents, 16); - XFS_CHECK_OFFSET(struct xfs_rui_log_format, rui_extents, 16); - XFS_CHECK_OFFSET(struct xfs_efi_log_format, efi_extents, 16); - XFS_CHECK_OFFSET(struct xfs_efi_log_format_32, efi_extents, 16); - XFS_CHECK_OFFSET(struct xfs_efi_log_format_64, efi_extents, 16); - - /* - * The v5 superblock format extended several v4 header structures with - * additional data. While new fields are only accessible on v5 - * superblocks, it's important that the v5 structures place original v4 - * fields/headers in the correct location on-disk. For example, we must - * be able to find magic values at the same location in certain blocks - * regardless of superblock version. - * - * The following checks ensure that various v5 data structures place the - * subset of v4 metadata associated with the same type of block at the - * start of the on-disk block. If there is no data structure definition - * for certain types of v4 blocks, traverse down to the first field of - * common metadata (e.g., magic value) and make sure it is at offset - * zero. - */ - XFS_CHECK_OFFSET(struct xfs_dir3_leaf, hdr.info.hdr, 0); - XFS_CHECK_OFFSET(struct xfs_da3_intnode, hdr.info.hdr, 0); - XFS_CHECK_OFFSET(struct xfs_dir3_data_hdr, hdr.magic, 0); - XFS_CHECK_OFFSET(struct xfs_dir3_free, hdr.hdr.magic, 0); - XFS_CHECK_OFFSET(struct xfs_attr3_leafblock, hdr.info.hdr, 0); - - XFS_CHECK_STRUCT_SIZE(struct xfs_bulkstat, 192); - XFS_CHECK_STRUCT_SIZE(struct xfs_inumbers, 24); - XFS_CHECK_STRUCT_SIZE(struct xfs_bulkstat_req, 64); - XFS_CHECK_STRUCT_SIZE(struct xfs_inumbers_req, 64); - - /* - * Make sure the incore inode timestamp range corresponds to hand - * converted values based on the ondisk format specification. - */ - XFS_CHECK_VALUE(XFS_BIGTIME_TIME_MIN - XFS_BIGTIME_EPOCH_OFFSET, - XFS_LEGACY_TIME_MIN); - XFS_CHECK_VALUE(XFS_BIGTIME_TIME_MAX - XFS_BIGTIME_EPOCH_OFFSET, - 16299260424LL); - - /* Do the same with the incore quota expiration range. */ - XFS_CHECK_VALUE(XFS_DQ_BIGTIME_EXPIRY_MIN << XFS_DQ_BIGTIME_SHIFT, 4); - XFS_CHECK_VALUE(XFS_DQ_BIGTIME_EXPIRY_MAX << XFS_DQ_BIGTIME_SHIFT, - 16299260424LL); -} - -#endif /* __XFS_ONDISK_H */