projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 2bd0ea18 | 1 | /* |
| da23017d NS |
2 | * Copyright (c) 2000-2001,2004-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or | |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 2bd0ea18 | 7 | * published by the Free Software Foundation. |
| da23017d NS |
8 | * |
| 9 | * This program is distributed in the hope that it would be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License | |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 2bd0ea18 | 17 | */ |
| 4a32b9e9 DC |
18 | #ifndef __XFS_MULTIDISK_H__ |
| 19 | #define __XFS_MULTIDISK_H__ | |
| 2bd0ea18 | 20 | |
| 8d537733 NS |
21 | #define XFS_DFL_SB_VERSION_BITS \ |
| 22 | (XFS_SB_VERSION_NLINKBIT | \ | |
| 51ca7008 BN |
23 | XFS_SB_VERSION_EXTFLGBIT | \ |
| 24 | XFS_SB_VERSION_DIRV2BIT) | |
| 8d537733 | 25 | |
| 2bd0ea18 NS |
26 | #define XFS_DFL_BLOCKSIZE_LOG 12 /* 4096 byte blocks */ |
| 27 | #define XFS_DINODE_DFL_LOG 8 /* 256 byte inodes */ | |
| f7b80291 | 28 | #define XFS_DINODE_DFL_CRC_LOG 9 /* 512 byte inodes for CRCs */ |
| 2bd0ea18 NS |
29 | #define XFS_MIN_DATA_BLOCKS 100 |
| 30 | #define XFS_MIN_INODE_PERBLOCK 2 /* min inodes per block */ | |
| 31 | #define XFS_DFL_IMAXIMUM_PCT 25 /* max % of space for inodes */ | |
| 2bd0ea18 | 32 | #define XFS_MIN_REC_DIRSIZE 12 /* 4096 byte dirblocks (V2) */ |
| 88cd79be | 33 | #define XFS_DFL_LOG_FACTOR 5 /* default log size, factor */ |
| 2bd0ea18 | 34 | /* with max trans reservation */ |
| 6e3140c7 | 35 | #define XFS_MAX_INODE_SIG_BITS 32 /* most significant bits in an |
| 8e4b2fda ES |
36 | * inode number that we'll |
| 37 | * accept w/o warnings | |
| 38 | */ | |
| 9440d84d | 39 | |
| 33a4da69 NS |
40 | #define XFS_AG_BYTES(bblog) ((long long)BBSIZE << (bblog)) |
| 41 | #define XFS_AG_MIN_BYTES ((XFS_AG_BYTES(15))) /* 16 MB */ | |
| 1974d3f1 DC |
42 | #define XFS_AG_MAX_BYTES ((XFS_AG_BYTES(31))) /* 1 TB */ |
| 43 | #define XFS_AG_MIN_BLOCKS(blog) (XFS_AG_MIN_BYTES >> (blog)) | |
| 44 | #define XFS_AG_MAX_BLOCKS(blog) ((XFS_AG_MAX_BYTES - 1) >> (blog)) | |
| 33a4da69 NS |
45 | |
| 46 | #define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1)) | |
| 47 | ||
| 4a32b9e9 DC |
48 | /* |
| 49 | * These values define what we consider a "multi-disk" filesystem. That is, a | |
| 50 | * filesystem that is likely to be made up of multiple devices, and hence have | |
| 51 | * some level of parallelism available to it at the IO level. | |
| 52 | */ | |
| 53 | #define XFS_MULTIDISK_AGLOG 5 /* 32 AGs */ | |
| 54 | #define XFS_NOMULTIDISK_AGLOG 2 /* 4 AGs */ | |
| 55 | #define XFS_MULTIDISK_AGCOUNT (1 << XFS_MULTIDISK_AGLOG) | |
| 56 | ||
| 6c855628 DC |
57 | extern long long cvtnum(unsigned int blksize, unsigned int sectsize, |
| 58 | const char *str); | |
| 9440d84d NS |
59 | |
| 60 | /* proto.c */ | |
| 61 | extern char *setup_proto (char *fname); | |
| 9f064b7e | 62 | extern void parse_proto (xfs_mount_t *mp, struct fsxattr *fsx, char **pp); |
| 9440d84d NS |
63 | extern void res_failed (int err); |
| 64 | ||
| 4a32b9e9 | 65 | #endif /* __XFS_MULTIDISK_H__ */ |