Differential D36491 Diff 112816 sbin/fsck_ffs/fsck.h

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sbin/fsck_ffs/fsck.h

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#define BT_CYLGRP 2 /* Buffer holds a cylinder group map */		#define BT_CYLGRP 2 /* Buffer holds a cylinder group map */
#define BT_LEVEL1 3 /* Buffer holds single level indirect */		#define BT_LEVEL1 3 /* Buffer holds single level indirect */
#define BT_LEVEL2 4 /* Buffer holds double level indirect */		#define BT_LEVEL2 4 /* Buffer holds double level indirect */
#define BT_LEVEL3 5 /* Buffer holds triple level indirect */		#define BT_LEVEL3 5 /* Buffer holds triple level indirect */
#define BT_EXTATTR 6 /* Buffer holds external attribute data */		#define BT_EXTATTR 6 /* Buffer holds external attribute data */
#define BT_INODES 7 /* Buffer holds inodes */		#define BT_INODES 7 /* Buffer holds inodes */
#define BT_DIRDATA 8 /* Buffer holds directory data */		#define BT_DIRDATA 8 /* Buffer holds directory data */
#define BT_DATA 9 /* Buffer holds user data */		#define BT_DATA 9 /* Buffer holds user data */
#define BT_EMPTY 10 /* Buffer allocated but not filled */		#define BT_NUMBUFTYPES 10
#define BT_NUMBUFTYPES 11
#define BT_NAMES { \		#define BT_NAMES { \
"unknown", \		"unknown", \
"Superblock", \		"Superblock", \
"Cylinder Group", \		"Cylinder Group", \
"Single Level Indirect", \		"Single Level Indirect", \
"Double Level Indirect", \		"Double Level Indirect", \
"Triple Level Indirect", \		"Triple Level Indirect", \
"External Attribute", \		"External Attribute", \
"Inode Block", \		"Inode Block", \
"Directory Contents", \		"Directory Contents", \
"User Data", \		"User Data" }
"Allocated but not filled" }
extern char *buftype[];		extern char *buftype[];
#define BT_BUFTYPE(type) \		#define BT_BUFTYPE(type) \
type < BT_NUMBUFTYPES ? buftype[type] : buftype[BT_UNKNOWN]		type < BT_NUMBUFTYPES ? buftype[type] : buftype[BT_UNKNOWN]
extern long readcnt[BT_NUMBUFTYPES];		extern long readcnt[BT_NUMBUFTYPES];
extern long totalreadcnt[BT_NUMBUFTYPES];		extern long totalreadcnt[BT_NUMBUFTYPES];
extern struct timespec readtime[BT_NUMBUFTYPES];		extern struct timespec readtime[BT_NUMBUFTYPES];
extern struct timespec totalreadtime[BT_NUMBUFTYPES];		extern struct timespec totalreadtime[BT_NUMBUFTYPES];
extern struct timespec startprog;		extern struct timespec startprog;

extern struct bufarea icachebp; / inode cache buffer */		extern struct bufarea icachebp; / inode cache buffer */
extern struct bufarea sblk; /* file system superblock */		extern struct bufarea sblk; /* file system superblock */
extern struct bufarea pdirbp; / current directory contents */		extern struct bufarea pdirbp; / current directory contents */

#define dirty(bp) do { \		#define dirty(bp) do { \
if (fswritefd < 0) \		if (fswritefd < 0) \
pfatal("SETTING DIRTY FLAG IN READ_ONLY MODE\n"); \		pfatal("SETTING DIRTY FLAG IN READ_ONLY MODE\n"); \
else \		else \
(bp)->b_flags \|= B_DIRTY; \		(bp)->b_flags \|= B_DIRTY; \
} while (0)		} while (0)
#define initbarea(bp, type) do { \		#define initbarea(bp, type) do { \
(bp)->b_bno = (ufs2_daddr_t)-1; \		(bp)->b_bno = (ufs2_daddr_t)-4; \
(bp)->b_size = 0; \		(bp)->b_size = 0; \
(bp)->b_errs = 0; \		(bp)->b_errs = 0; \
(bp)->b_flags = 0; \		(bp)->b_flags = 0; \
(bp)->b_type = type; \		(bp)->b_type = type; \
(bp)->b_refcnt = 0; \		(bp)->b_refcnt = 0; \
(bp)->b_index = 0; \		(bp)->b_index = 0; \
} while (0)		} while (0)

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extern int bkgrdsumadj; /* whether the kernel has the ability to adjust		extern int bkgrdsumadj; /* whether the kernel has the ability to adjust
the superblock summary fields */		the superblock summary fields */
extern off_t bflag; /* location of alternate super block */		extern off_t bflag; /* location of alternate super block */
extern int bkgrdflag; /* use a snapshot to run on an active system */		extern int bkgrdflag; /* use a snapshot to run on an active system */
extern char blockmap; / ptr to primary blk allocation map */		extern char blockmap; / ptr to primary blk allocation map */
extern char cdevname; / name of device being checked */		extern char cdevname; / name of device being checked */
extern char ckclean; /* only do work if not cleanly unmounted */		extern char ckclean; /* only do work if not cleanly unmounted */
extern int ckhashadd; /* check hashes to be added */		extern int ckhashadd; /* check hashes to be added */
		extern char copybuf; / buffer to copy snapshot blocks */
extern int cvtlevel; /* convert to newer file system format */		extern int cvtlevel; /* convert to newer file system format */
extern long dev_bsize; /* computed value of DEV_BSIZE */		extern long dev_bsize; /* computed value of DEV_BSIZE */
extern u_int real_dev_bsize; /* actual disk sector size, not overridden */		extern u_int real_dev_bsize; /* actual disk sector size, not overridden */
extern int debug; /* output debugging info */		extern int debug; /* output debugging info */
extern int Eflag; /* delete empty data blocks */		extern int Eflag; /* delete empty data blocks */
extern int fsmodified; /* 1 => write done to file system */		extern int fsmodified; /* 1 => write done to file system */
extern int fsreadfd; /* file descriptor for reading file system */		extern int fsreadfd; /* file descriptor for reading file system */
extern int fswritefd; /* file descriptor for writing file system */		extern int fswritefd; /* file descriptor for writing file system */
extern char havesb; /* superblock has been read */		extern char havesb; /* superblock has been read */
extern int inoopt; /* trim out unused inodes */		extern int inoopt; /* trim out unused inodes */
extern ino_t lfdir; /* lost & found directory inode number */		extern ino_t lfdir; /* lost & found directory inode number */
extern int lfmode; /* lost & found directory creation mode */		extern int lfmode; /* lost & found directory creation mode */
extern const char lfname; / lost & found directory name */		extern const char lfname; / lost & found directory name */
extern ufs2_daddr_t maxfsblock; /* number of blocks in the file system */		extern ufs2_daddr_t maxfsblock; /* number of blocks in the file system */
extern ino_t maxino; /* number of inodes in file system */		extern ino_t maxino; /* number of inodes in file system */
extern ufs2_daddr_t n_blks; /* number of blocks in use */		extern ufs2_daddr_t n_blks; /* number of blocks in use */
extern ino_t n_files; /* number of files in use */		extern ino_t n_files; /* number of files in use */
extern char nflag; /* assume a no response */		extern char nflag; /* assume a no response */
extern char preen; /* just fix normal inconsistencies */		extern char preen; /* just fix normal inconsistencies */
extern char rerun; /* rerun fsck. Only used in non-preen mode */		extern char rerun; /* rerun fsck. Only used in non-preen mode */
extern char resolved; /* cleared if unresolved changes => not clean */		extern char resolved; /* cleared if unresolved changes => not clean */
extern int returntosingle; /* 1 => return to single user mode on exit */		extern int returntosingle; /* 1 => return to single user mode on exit */
extern long secsize; /* actual disk sector size */		extern long secsize; /* actual disk sector size */
extern char skipclean; /* skip clean file systems if preening */		extern char skipclean; /* skip clean file systems if preening */
		extern int snapcnt; /* number of active snapshots */
		extern struct inode snaplist[FSMAXSNAP + 1]; /* list of active snapshots */
extern char snapname[BUFSIZ]; /* when doing snapshots, the name of the file */		extern char snapname[BUFSIZ]; /* when doing snapshots, the name of the file */
extern int sujrecovery; /* 1 => doing check using the journal */		extern int sujrecovery; /* 1 => doing check using the journal */
extern int surrender; /* Give up if reads fail */		extern int surrender; /* Give up if reads fail */
extern char usedsoftdep; /* just fix soft dependency inconsistencies */		extern char usedsoftdep; /* just fix soft dependency inconsistencies */
extern int wantrestart; /* Restart fsck on early termination */		extern int wantrestart; /* Restart fsck on early termination */
extern char yflag; /* assume a yes response */		extern char yflag; /* assume a yes response */
extern int zflag; /* zero unused directory space */		extern int zflag; /* zero unused directory space */
extern int Zflag; /* zero empty data blocks */		extern int Zflag; /* zero empty data blocks */
▲ Show 20 Lines • Show All 54 Lines • ▼ Show 20 Lines	Calloc(size_t cnt, size_t size)
return (retval);		return (retval);
}		}

struct fstab;		struct fstab;


void adjust(struct inodesc *, int lcnt);		void adjust(struct inodesc *, int lcnt);
void alarmhandler(int sig);		void alarmhandler(int sig);
ufs2_daddr_t allocblk(long frags);		ufs2_daddr_t allocblk(long cg, long frags, ufs2_daddr_t (*checkblkavail)
		(ufs2_daddr_t blkno, long frags));
ino_t allocdir(ino_t parent, ino_t request, int mode);		ino_t allocdir(ino_t parent, ino_t request, int mode);
ino_t allocino(ino_t request, int type);		ino_t allocino(ino_t request, int type);
		void binval(struct bufarea *);
void blkerror(ino_t ino, const char *type, ufs2_daddr_t blk);		void blkerror(ino_t ino, const char *type, ufs2_daddr_t blk);
char blockcheck(char name);		char blockcheck(char name);
int blread(int fd, char *buf, ufs2_daddr_t blk, long size);		int blread(int fd, char *buf, ufs2_daddr_t blk, long size);
void bufinit(void);		void bufinit(void);
void blwrite(int fd, char *buf, ufs2_daddr_t blk, ssize_t size);		void blwrite(int fd, char *buf, ufs2_daddr_t blk, ssize_t size);
void blerase(int fd, ufs2_daddr_t blk, long size);		void blerase(int fd, ufs2_daddr_t blk, long size);
void blzero(int fd, ufs2_daddr_t blk, long size);		void blzero(int fd, ufs2_daddr_t blk, long size);
void brelse(struct bufarea *);		void brelse(struct bufarea *);
struct inoinfo cacheino(union dinode dp, ino_t inumber);		struct inoinfo cacheino(union dinode dp, ino_t inumber);
void catch(int);		void catch(int);
void catchquit(int);		void catchquit(int);
void cgdirty(struct bufarea *);		void cgdirty(struct bufarea *);
struct bufarea *cglookup(int cg);		struct bufarea *cglookup(int cg);
int changeino(ino_t dir, const char *name, ino_t newnum);		int changeino(ino_t dir, const char *name, ino_t newnum);
		void check_blkcnt(struct inode *ip);
int check_cgmagic(int cg, struct bufarea *cgbp, int requestrebuild);		int check_cgmagic(int cg, struct bufarea *cgbp, int requestrebuild);
int chkrange(ufs2_daddr_t blk, int cnt);		int chkrange(ufs2_daddr_t blk, int cnt);
void ckfini(int markclean);		void ckfini(int markclean);
int ckinode(union dinode dp, struct inodesc );		int ckinode(union dinode dp, struct inodesc );
void clri(struct inodesc , const char type, int flag);		void clri(struct inodesc , const char type, int flag);
int clearentry(struct inodesc *);		int clearentry(struct inodesc *);
		void copyonwrite(struct fs , struct bufarea ,
		ufs2_daddr_t (*checkblkavail)(long, long));
void direrror(ino_t ino, const char *errmesg);		void direrror(ino_t ino, const char *errmesg);
int dirscan(struct inodesc *);		int dirscan(struct inodesc *);
int dofix(struct inodesc , const char msg);		int dofix(struct inodesc , const char msg);
int eascan(struct inodesc , struct ufs2_dinode dp);		int eascan(struct inodesc , struct ufs2_dinode dp);
void fileerror(ino_t cwd, ino_t ino, const char *errmesg);		void fileerror(ino_t cwd, ino_t ino, const char *errmesg);
void finalIOstats(void);		void finalIOstats(void);
int findino(struct inodesc *);		int findino(struct inodesc *);
int findname(struct inodesc *);		int findname(struct inodesc *);
void flush(int fd, struct bufarea *bp);		void flush(int fd, struct bufarea *bp);
int freeblock(struct inodesc *);		int freeblock(struct inodesc *);
void freeino(ino_t ino);		void freeino(ino_t ino);
void freeinodebuf(void);		void freeinodebuf(void);
		void fsckinit(void);
void fsutilinit(void);		void fsutilinit(void);
int ftypeok(union dinode *dp);		int ftypeok(union dinode *dp);
void getblk(struct bufarea *bp, ufs2_daddr_t blk, long size);		void getblk(struct bufarea *bp, ufs2_daddr_t blk, long size);
struct bufarea *getdatablk(ufs2_daddr_t blkno, long size, int type);		struct bufarea *getdatablk(ufs2_daddr_t blkno, long size, int type);
struct inoinfo *getinoinfo(ino_t inumber);		struct inoinfo *getinoinfo(ino_t inumber);
union dinode *getnextinode(ino_t inumber, int rebuildcg);		union dinode *getnextinode(ino_t inumber, int rebuildcg);
void getpathname(char *namebuf, ino_t curdir, ino_t ino);		void getpathname(char *namebuf, ino_t curdir, ino_t ino);
void ginode(ino_t, struct inode *);		void ginode(ino_t, struct inode *);
		void gjournal_check(const char *filesys);
void infohandler(int sig);		void infohandler(int sig);
void irelse(struct inode *);		void irelse(struct inode *);
ufs2_daddr_t ino_blkatoff(union dinode , ino_t, ufs_lbn_t, int ,		ufs2_daddr_t ino_blkatoff(union dinode , ino_t, ufs_lbn_t, int ,
struct bufarea **);		struct bufarea **);
void inocleanup(void);		void inocleanup(void);
void inodirty(struct inode *);		void inodirty(struct inode *);
struct inostat *inoinfo(ino_t inum);		struct inostat *inoinfo(ino_t inum);
void IOstats(char *what);		void IOstats(char *what);
int linkup(ino_t orphan, ino_t parentdir, char *name);		int linkup(ino_t orphan, ino_t parentdir, char *name);
int makeentry(ino_t parent, ino_t ino, const char *name);		int makeentry(ino_t parent, ino_t ino, const char *name);
int openfilesys(char *dev);		int openfilesys(char *dev);
void panic(const char *fmt, ...) __printflike(1, 2);		void panic(const char *fmt, ...) __printflike(1, 2);
void pass1(void);		void pass1(void);
void pass1b(void);		void pass1b(void);
int pass1check(struct inodesc *);		int pass1check(struct inodesc *);
void pass2(void);		void pass2(void);
void pass3(void);		void pass3(void);
void pass4(void);		void pass4(void);
void pass5(void);		void pass5(void);
void pfatal(const char *fmt, ...) __printflike(1, 2);		void pfatal(const char *fmt, ...) __printflike(1, 2);
void propagate(void);		void propagate(void);
		void prtbuf(struct bufarea , const char , ...) __printflike(2, 3);
void prtinode(struct inode *);		void prtinode(struct inode *);
void pwarn(const char *fmt, ...) __printflike(1, 2);		void pwarn(const char *fmt, ...) __printflike(1, 2);
int readsb(void);		int readsb(void);
int reply(const char *question);		int reply(const char *question);
void rwerror(const char *mesg, ufs2_daddr_t blk);		void rwerror(const char *mesg, ufs2_daddr_t blk);
void sblock_init(void);		void sblock_init(void);
void setinodebuf(int, ino_t);		void setinodebuf(int, ino_t);
int setup(char *dev);		int setup(char *dev);
void gjournal_check(const char *filesys);		int snapblkfree(struct fs *, ufs2_daddr_t, long, ino_t,
		ufs2_daddr_t (*)(ufs2_daddr_t, long));
		void snapremove(ino_t);
		void snapflush(ufs2_daddr_t (*checkblkavail)(long, long));
		ufs2_daddr_t std_checkblkavail(ufs2_daddr_t blkno, long frags);
		ufs2_daddr_t suj_checkblkavail(ufs2_daddr_t, long);
int suj_check(const char *filesys);		int suj_check(const char *filesys);
void update_maps(struct cg , struct cg, int);		void update_maps(struct cg , struct cg, int);
void fsckinit(void);

#endif /* !_FSCK_H_ */		#endif /* !_FSCK_H_ */