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Diffstat (limited to 'sbin/newlfs/config.h')
| -rw-r--r-- | sbin/newlfs/config.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/sbin/newlfs/config.h b/sbin/newlfs/config.h deleted file mode 100644 index 55fed691517fe..0000000000000 --- a/sbin/newlfs/config.h +++ /dev/null @@ -1,134 +0,0 @@ -/*- - * Copyright (c) 1991, 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. - * - * @(#)config.h 8.2 (Berkeley) 4/22/94 - */ - -/* - * The first boot and super blocks are given in absolute disk addresses. - * The byte-offset forms are preferred, as they don't imply a sector size. - */ -#define BBSIZE 8192 -#define SBSIZE 8192 - -/* - * The following two constants set the default block and fragment sizes. - * Both constants must be a power of 2 and meet the following constraints: - * MINBSIZE <= DESBLKSIZE <= MAXBSIZE - * sectorsize <= DESFRAGSIZE <= DESBLKSIZE - * DESBLKSIZE / DESFRAGSIZE <= 8 - */ -#define DFL_FRAGSIZE 1024 -#define DFL_BLKSIZE 8192 - -/* - * Cylinder groups may have up to many cylinders. The actual - * number used depends upon how much information can be stored - * on a single cylinder. The default is to use 16 cylinders - * per group. - */ -#define DESCPG 16 /* desired fs_cpg */ - -/* - * MINFREE gives the minimum acceptable percentage of file system - * blocks which may be free. If the freelist drops below this level - * only the superuser may continue to allocate blocks. This may - * be set to 0 if no reserve of free blocks is deemed necessary, - * however throughput drops by fifty percent if the file system - * is run at between 90% and 100% full; thus the default value of - * fs_minfree is 10%. With 10% free space, fragmentation is not a - * problem, so we choose to optimize for time. - */ -#define MINFREE 10 -#define DEFAULTOPT FS_OPTTIME - -/* - * Preference for optimization. - */ -#define FS_OPTTIME 0 /* minimize allocation time */ -#define FS_OPTSPACE 1 /* minimize disk fragmentation */ - - -/* - * ROTDELAY gives the minimum number of milliseconds to initiate - * another disk transfer on the same cylinder. It is used in - * determining the rotationally optimal layout for disk blocks - * within a file; the default of fs_rotdelay is 4ms. - */ -#define ROTDELAY 0 - -/* - * MAXCONTIG sets the default for the maximum number of blocks - * that may be allocated sequentially. Since UNIX drivers are - * not capable of scheduling multi-block transfers, this defaults - * to 1 (ie no contiguous blocks are allocated). - */ -#define MAXCONTIG 1 - -/* - * MAXBLKPG determines the maximum number of data blocks which are - * placed in a single cylinder group. The default is one indirect - * block worth of data blocks. - */ -#define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t)) - -/* - * Each file system has a number of inodes statically allocated. - * We allocate one inode slot per NFPI fragments, expecting this - * to be far more than we will ever need. - */ -#define NFPI 4 - -/* - * For each cylinder we keep track of the availability of blocks at different - * rotational positions, so that we can lay out the data to be picked - * up with minimum rotational latency. NRPOS is the default number of - * rotational positions that we distinguish. With NRPOS of 8 the resolution - * of our summary information is 2ms for a typical 3600 rpm drive. - */ -#define NRPOS 1 /* number distinct rotational positions */ - -/* - * The following constants set the default block and segment size for a log - * structured file system. Both must be powers of two and the segment size - * must be a multiple of the block size. We also set minimum block and segment - * sizes. - */ -#define LFS_MINSEGSIZE (64*1024) -#define DFL_LFSSEG (1024 * 1024) -#define DFL_LFSSEG_SHIFT 20 -#define DFL_LFSSEG_MASK 0xFFFFF - -#define LFS_MINBLOCKSIZE 1024 -#define DFL_LFSBLOCK 8192 -#define DFL_LFSBLOCK_SHIFT 13 -#define DFL_LFSBLOCK_MASK 0x1FFF |