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Diffstat (limited to 'libexec/lfs_cleanerd/clean.h')
| -rw-r--r-- | libexec/lfs_cleanerd/clean.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/libexec/lfs_cleanerd/clean.h b/libexec/lfs_cleanerd/clean.h deleted file mode 100644 index 22bf50354b186..0000000000000 --- a/libexec/lfs_cleanerd/clean.h +++ /dev/null @@ -1,169 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. - * - * @(#)clean.h 8.2 (Berkeley) 5/4/95 - * $Id: clean.h,v 1.6 1997/02/22 14:21:44 peter Exp $ - */ - -/* - * The LFS user-level library will be used when writing cleaners and - * checkers for LFS file systems. It will have facilities for finding - * and parsing LFS segments. - */ - -#define DUMP_SUM_HEADER 0x0001 -#define DUMP_INODE_ADDRS 0x0002 -#define DUMP_FINFOS 0x0004 -#define DUMP_ALL 0xFFFF - -#define IFILE_NAME "ifile" - -/* - * Cleaner parameters - * BUSY_LIM: lower bound of the number of segments currently available - * as a percentage of the total number of free segments possibly - * available. - * IDLE_LIM: Same as BUSY_LIM but used when the system is idle. - * MIN_SEGS: Minimum number of segments you should always have. - * I have no idea what this should be, but it should probably - * be a function of lfsp. - * NUM_TO_CLEAN: Number of segments to clean at once. Again, this - * should probably be based on the file system size and how - * full or empty the segments being cleaned are. - */ - -#define BUSY_LIM 0.50 -#define IDLE_LIM 0.90 - -#define MIN_SEGS(lfsp) (5) -#define NUM_TO_CLEAN(fsp) (1) - -#define MAXLOADS 3 -#define ONE_MIN 0 -#define FIVE_MIN 1 -#define FIFTEEN_MIN 2 - -typedef struct fs_info { - struct statfs *fi_statfsp; /* fsstat info from getfsstat */ - struct lfs fi_lfs; /* superblock */ - CLEANERINFO *fi_cip; /* Cleaner info from ifile */ - SEGUSE *fi_segusep; /* segment usage table (from ifile) */ - IFILE *fi_ifilep; /* ifile table (from ifile) */ - u_long fi_daddr_shift; /* shift to get byte offset of daddr */ - u_long fi_ifile_count; /* # entries in the ifile table */ - off_t fi_ifile_length; /* length of the ifile */ -} FS_INFO; - -/* - * XXX: size (in bytes) of a segment - * should lfs_bsize be fsbtodb(fs,1), blksize(fs), or lfs_dsize? - */ -#define seg_size(fs) ((fs)->lfs_ssize << (fs)->lfs_bshift) - -/* daddr -> byte offset */ -#define datobyte(fs, da) ((da) << (fs)->fi_daddr_shift) -#define bytetoda(fs, byte) ((byte) >> (fs)->fi_daddr_shift) - -#define CLEANSIZE(fsp) (fsp->fi_lfs.lfs_cleansz << fsp->fi_lfs.lfs_bshift) -#define SEGTABSIZE(fsp) (fsp->fi_lfs.lfs_segtabsz << fsp->fi_lfs.lfs_bshift) - -#define IFILE_ENTRY(fs, if, i) \ - ((IFILE *)((caddr_t)(if) + ((i) / (fs)->lfs_ifpb << (fs)->lfs_bshift)) \ - + (i) % (fs)->lfs_ifpb) - -#define SEGUSE_ENTRY(fs, su, i) \ - ((SEGUSE *)((caddr_t)(su) + (fs)->lfs_bsize * ((i) / (fs)->lfs_sepb)) +\ - (i) % (fs)->lfs_sepb) - -__BEGIN_DECLS -int dump_summary __P((struct lfs *, SEGSUM *, u_long, daddr_t **)); -void err __P((const int, const char *, ...)); -int fs_getmntinfo __P((struct statfs **, char *, char *)); -int get __P((int, off_t, void *, size_t)); -FS_INFO *get_fs_info __P((struct statfs *, int)); -int lfs_segmapv __P((FS_INFO *, int, caddr_t, BLOCK_INFO **, int *)); -int mmap_segment __P((FS_INFO *, int, caddr_t *, int)); -void munmap_segment __P((FS_INFO *, caddr_t, int)); -void reread_fs_info __P((FS_INFO *, int)); -void toss __P((void *, int *, size_t, - int (*)(const void *, const void *, const void *), void *)); - -/* - * USEFUL DEBUGGING FUNCTIONS: - */ -#ifdef VERBOSE -#define PRINT_FINFO(fp, ip) { \ - (void)printf(" %s %s%d version %d nblocks %d\n", \ - (ip)->if_version > (fp)->fi_version ? "TOSSING" : "KEEPING", \ - "FINFO for inode: ", (fp)->fi_ino, \ - (fp)->fi_version, (fp)->fi_nblocks); \ - fflush(stdout); \ -} - -#define PRINT_INODE(b, bip) { \ - (void) printf("\t%s inode: %d daddr: 0x%lx create: %s\n", \ - b ? "KEEPING" : "TOSSING", (bip)->bi_inode, (bip)->bi_daddr, \ - ctime((time_t *)&(bip)->bi_segcreate)); \ - fflush(stdout); \ -} - -#define PRINT_BINFO(bip) { \ - (void)printf("\tinode: %d lbn: %d daddr: 0x%lx create: %s\n", \ - (bip)->bi_inode, (bip)->bi_lbn, (bip)->bi_daddr, \ - ctime((time_t *)&(bip)->bi_segcreate)); \ - fflush(stdout); \ -} - -#define PRINT_SEGUSE(sup, n) { \ - (void)printf("Segment %d nbytes=%lu\tflags=%c%c%c ninos=%d nsums=%d lastmod: %s\n", \ - n, (sup)->su_nbytes, \ - (sup)->su_flags & SEGUSE_DIRTY ? 'D' : 'C', \ - (sup)->su_flags & SEGUSE_ACTIVE ? 'A' : ' ', \ - (sup)->su_flags & SEGUSE_SUPERBLOCK ? 'S' : ' ', \ - (sup)->su_ninos, (sup)->su_nsums, \ - ctime((time_t *)&(sup)->su_lastmod)); \ - fflush(stdout); \ -} - -void dump_super __P((struct lfs *)); -void dump_cleaner_info __P((void *)); -void print_SEGSUM __P(( struct lfs *, SEGSUM *)); -void print_CLEANERINFO __P((CLEANERINFO *)); -#else -#define PRINT_FINFO(fp, ip) -#define PRINT_INODE(b, bip) -#define PRINT_BINFO(bip) -#define PRINT_SEGUSE(sup, n) -#define dump_cleaner_info(cip) -#define dump_super(lfsp) -#endif -__END_DECLS |