Index: head/lib/libufs/libufs.h =================================================================== --- head/lib/libufs/libufs.h (revision 362557) +++ head/lib/libufs/libufs.h (revision 362558) @@ -1,178 +1,176 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2002 Juli Mallett. All rights reserved. * * This software was written by Juli Mallett for the * FreeBSD project. Redistribution and use in source and binary forms, with * or without modification, are permitted provided that the following * conditions are met: * * 1. Redistribution of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef __LIBUFS_H__ #define __LIBUFS_H__ /* * libufs structures. */ union dinodep { struct ufs1_dinode *dp1; struct ufs2_dinode *dp2; }; /* * userland ufs disk. */ struct uufsd { - const char *d_name; /* disk name */ - int d_ufs; /* decimal UFS version */ - int d_fd; /* raw device file descriptor */ - long d_bsize; /* device bsize */ - ufs2_daddr_t d_sblock; /* superblock location */ - struct csum *d_sbcsum; /* Superblock summary info */ - caddr_t d_inoblock; /* inode block */ - uint32_t d_inomin; /* low inode (not ino_t for ABI compat) */ - uint32_t d_inomax; /* high inode (not ino_t for ABI compat) */ - union dinodep d_dp; /* pointer to currently active inode */ + const char *d_name; /* disk name */ + int d_ufs; /* decimal UFS version */ + int d_fd; /* raw device file descriptor */ + long d_bsize; /* device bsize */ + ufs2_daddr_t d_sblock; /* superblock location */ + struct csum *d_sbcsum; /* Superblock summary info */ + caddr_t d_inoblock; /* inode block */ + uint32_t d_inomin; /* low ino, not ino_t for ABI compat */ + uint32_t d_inomax; /* high ino, not ino_t for ABI compat */ + union dinodep d_dp; /* pointer to currently active inode */ union { - struct fs d_fs; /* filesystem information */ - char d_sb[MAXBSIZE]; - /* superblock as buffer */ + struct fs d_fs; /* filesystem information */ + char d_sb[MAXBSIZE]; /* superblock as buffer */ } d_sbunion; union { - struct cg d_cg; /* cylinder group */ - char d_buf[MAXBSIZE]; - /* cylinder group storage */ + struct cg d_cg; /* cylinder group */ + char d_buf[MAXBSIZE]; /* cylinder group storage */ } d_cgunion; - int d_ccg; /* current cylinder group */ - int d_lcg; /* last cylinder group (in d_cg) */ - const char *d_error; /* human readable disk error */ - int d_mine; /* internal flags */ + int d_ccg; /* current cylinder group */ + int d_lcg; /* last cylinder group (in d_cg) */ + const char *d_error; /* human readable disk error */ + int d_mine; /* internal flags */ #define d_fs d_sbunion.d_fs #define d_sb d_sbunion.d_sb #define d_cg d_cgunion.d_cg }; /* * libufs macros (internal, non-exported). */ #ifdef _LIBUFS /* * Trace steps through libufs, to be used at entry and erroneous return. */ static inline void ERROR(struct uufsd *u, const char *str) { #ifdef _LIBUFS_DEBUGGING if (str != NULL) { fprintf(stderr, "libufs: %s", str); if (errno != 0) fprintf(stderr, ": %s", strerror(errno)); fprintf(stderr, "\n"); } #endif if (u != NULL) u->d_error = str; } #endif /* _LIBUFS */ __BEGIN_DECLS /* * libufs prototypes. */ /* * ffs_subr.c */ void ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t); void ffs_clusteracct(struct fs *, struct cg *, ufs1_daddr_t, int); void ffs_fragacct(struct fs *, int, int32_t [], int); int ffs_isblock(struct fs *, u_char *, ufs1_daddr_t); int ffs_isfreeblock(struct fs *, u_char *, ufs1_daddr_t); void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); int ffs_sbget(void *, struct fs **, off_t, char *, int (*)(void *, off_t, void **, int)); int ffs_sbput(void *, struct fs *, off_t, int (*)(void *, off_t, void *, int)); void ffs_update_dinode_ckhash(struct fs *, struct ufs2_dinode *); int ffs_verify_dinode_ckhash(struct fs *, struct ufs2_dinode *); /* * Request standard superblock location in ffs_sbget */ #define STDSB -1 /* Fail if check-hash is bad */ #define STDSB_NOHASHFAIL -2 /* Ignore check-hash failure */ /* * block.c */ ssize_t bread(struct uufsd *, ufs2_daddr_t, void *, size_t); ssize_t bwrite(struct uufsd *, ufs2_daddr_t, const void *, size_t); int berase(struct uufsd *, ufs2_daddr_t, ufs2_daddr_t); /* * cgroup.c */ ufs2_daddr_t cgballoc(struct uufsd *); int cgbfree(struct uufsd *, ufs2_daddr_t, long); ino_t cgialloc(struct uufsd *); int cgget(struct uufsd *, int, struct cg *); int cgput(struct uufsd *, struct cg *); int cgread(struct uufsd *); int cgread1(struct uufsd *, int); int cgwrite(struct uufsd *); int cgwrite1(struct uufsd *, int); /* * inode.c */ int getinode(struct uufsd *, union dinodep *, ino_t); int putinode(struct uufsd *); /* * sblock.c */ int sbread(struct uufsd *); int sbwrite(struct uufsd *, int); /* low level superblock read/write functions */ int sbget(int, struct fs **, off_t); int sbput(int, struct fs *, int); /* * type.c */ int ufs_disk_close(struct uufsd *); int ufs_disk_fillout(struct uufsd *, const char *); int ufs_disk_fillout_blank(struct uufsd *, const char *); int ufs_disk_write(struct uufsd *); /* * crc32c.c */ uint32_t calculate_crc32c(uint32_t, const void *, size_t); __END_DECLS #endif /* __LIBUFS_H__ */