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Add ext4 field definitions. Taken from NetBSD, with some cosmetic

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changes to keep it in line with our style.

OK miod@
This commit is contained in:
martijn 2024-07-15 13:27:36 +00:00
parent 5b46ea682d
commit d570f06c38
1 changed files with 43 additions and 2 deletions
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45
sys/ufs/ext2fs/ext2fs.h
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@ -1,4 +1,4 @@
/* $OpenBSD: ext2fs.h,v 1.26 2021/03/11 13:31:35 jsg Exp $ */
/* $OpenBSD: ext2fs.h,v 1.27 2024/07/15 13:27:36 martijn Exp $ */
/* $NetBSD: ext2fs.h,v 1.10 2000/01/28 16:00:23 bouyer Exp $ */
/*
@ -156,7 +156,48 @@ struct ext2fs {
u_int32_t e2fs_first_meta_bg;
u_int32_t e2fs_mkfs_time;
u_int32_t e2fs_journal_backup[17];
u_int32_t reserved2[172];
u_int32_t e2fs_bcount_hi; /* high bits of blocks count */
u_int32_t e2fs_rbcount_hi; /* high bits of reserved blocks count */
u_int32_t e2fs_fbcount_hi; /* high bits of free blocks count */
u_int16_t e2fs_min_extra_isize; /* all inodes have some bytes */
u_int16_t e2fs_want_extra_isize;/* inodes must reserve some bytes */
u_int32_t e2fs_flags; /* miscellaneous flags */
u_int16_t e2fs_raid_stride; /* RAID stride */
u_int16_t e2fs_mmpintv; /* seconds to wait in MMP checking */
u_int64_t e2fs_mmpblk; /* block for multi-mount protection */
u_int32_t e2fs_raid_stripe_wid; /* blocks on data disks (N * stride) */
u_int8_t e2fs_log_gpf; /* FLEX_BG group size */
u_int8_t e2fs_chksum_type; /* metadata checksum algorithm used */
u_int8_t e2fs_encrypt; /* versioning level for encryption */
u_int8_t e2fs_reserved_pad;
u_int64_t e2fs_kbytes_written; /* number of lifetime kilobytes */
u_int32_t e2fs_snapinum; /* inode number of active snapshot */
u_int32_t e2fs_snapid; /* sequential ID of active snapshot */
u_int64_t e2fs_snaprbcount; /* rsvd blocks for active snapshot */
u_int32_t e2fs_snaplist; /* inode number for on-disk snapshot */
u_int32_t e2fs_errcount; /* number of file system errors */
u_int32_t e2fs_first_errtime; /* first time an error happened */
u_int32_t e2fs_first_errino; /* inode involved in first error */
u_int64_t e2fs_first_errblk; /* block involved of first error */
u_int8_t e2fs_first_errfunc[32];/* function where error happened */
u_int32_t e2fs_first_errline; /* line number where error happened */
u_int32_t e2fs_last_errtime; /* most recent time of an error */
u_int32_t e2fs_last_errino; /* inode involved in last error */
u_int32_t e2fs_last_errline; /* line number where error happened */
u_int64_t e2fs_last_errblk; /* block involved of last error */
u_int8_t e2fs_last_errfunc[32];/* function where error happened */
u_int8_t e2fs_mount_opts[64];
u_int32_t e2fs_usrquota_inum; /* inode for tracking user quota */
u_int32_t e2fs_grpquota_inum; /* inode for tracking group quota */
u_int32_t e2fs_overhead_clusters;/* overhead blocks/clusters */
u_int32_t e2fs_backup_bgs[2]; /* groups with sparse_super2 SBs */
u_int8_t e2fs_encrypt_algos[4];/* encryption algorithms in use */
u_int8_t e2fs_encrypt_pw_salt[16];/* salt used for string2key */
u_int32_t e2fs_lpf_ino; /* location of the lost+found inode */
u_int32_t e2fs_proj_quota_inum; /* inode for tracking project quota */
u_int32_t e2fs_chksum_seed; /* checksum seed */
u_int32_t e2fs_reserved[98]; /* padding to the end of the block */
u_int32_t e2fs_sbchksum; /* superblock checksum */
};