projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2bd0ea18 | 2 | /* |
| da23017d NS |
3 | * Copyright (c) 2000-2001,2004-2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. | |
| 2bd0ea18 | 5 | */ |
| 4a32b9e9 DC |
6 | #ifndef __XFS_MULTIDISK_H__ |
| 7 | #define __XFS_MULTIDISK_H__ | |
| 2bd0ea18 | 8 | |
| 8d537733 NS |
9 | #define XFS_DFL_SB_VERSION_BITS \ |
| 10 | (XFS_SB_VERSION_NLINKBIT | \ | |
| 51ca7008 BN |
11 | XFS_SB_VERSION_EXTFLGBIT | \ |
| 12 | XFS_SB_VERSION_DIRV2BIT) | |
| 8d537733 | 13 | |
| 2bd0ea18 NS |
14 | #define XFS_DFL_BLOCKSIZE_LOG 12 /* 4096 byte blocks */ |
| 15 | #define XFS_DINODE_DFL_LOG 8 /* 256 byte inodes */ | |
| f7b80291 | 16 | #define XFS_DINODE_DFL_CRC_LOG 9 /* 512 byte inodes for CRCs */ |
| 2bd0ea18 NS |
17 | #define XFS_MIN_DATA_BLOCKS 100 |
| 18 | #define XFS_MIN_INODE_PERBLOCK 2 /* min inodes per block */ | |
| 19 | #define XFS_DFL_IMAXIMUM_PCT 25 /* max % of space for inodes */ | |
| 2bd0ea18 | 20 | #define XFS_MIN_REC_DIRSIZE 12 /* 4096 byte dirblocks (V2) */ |
| 88cd79be | 21 | #define XFS_DFL_LOG_FACTOR 5 /* default log size, factor */ |
| 2bd0ea18 | 22 | /* with max trans reservation */ |
| 6e3140c7 | 23 | #define XFS_MAX_INODE_SIG_BITS 32 /* most significant bits in an |
| 8e4b2fda ES |
24 | * inode number that we'll |
| 25 | * accept w/o warnings | |
| 26 | */ | |
| 9440d84d | 27 | |
| 33a4da69 NS |
28 | #define XFS_AG_BYTES(bblog) ((long long)BBSIZE << (bblog)) |
| 29 | #define XFS_AG_MIN_BYTES ((XFS_AG_BYTES(15))) /* 16 MB */ | |
| 1974d3f1 DC |
30 | #define XFS_AG_MAX_BYTES ((XFS_AG_BYTES(31))) /* 1 TB */ |
| 31 | #define XFS_AG_MIN_BLOCKS(blog) (XFS_AG_MIN_BYTES >> (blog)) | |
| 32 | #define XFS_AG_MAX_BLOCKS(blog) ((XFS_AG_MAX_BYTES - 1) >> (blog)) | |
| 33a4da69 NS |
33 | |
| 34 | #define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1)) | |
| 35 | ||
| 4a32b9e9 DC |
36 | /* |
| 37 | * These values define what we consider a "multi-disk" filesystem. That is, a | |
| 38 | * filesystem that is likely to be made up of multiple devices, and hence have | |
| 39 | * some level of parallelism available to it at the IO level. | |
| 40 | */ | |
| 41 | #define XFS_MULTIDISK_AGLOG 5 /* 32 AGs */ | |
| 42 | #define XFS_NOMULTIDISK_AGLOG 2 /* 4 AGs */ | |
| 43 | #define XFS_MULTIDISK_AGCOUNT (1 << XFS_MULTIDISK_AGLOG) | |
| 44 | ||
| 6c855628 DC |
45 | extern long long cvtnum(unsigned int blksize, unsigned int sectsize, |
| 46 | const char *str); | |
| 9440d84d NS |
47 | |
| 48 | /* proto.c */ | |
| 49 | extern char *setup_proto (char *fname); | |
| 9f064b7e | 50 | extern void parse_proto (xfs_mount_t *mp, struct fsxattr *fsx, char **pp); |
| 9440d84d NS |
51 | extern void res_failed (int err); |
| 52 | ||
| 4a32b9e9 | 53 | #endif /* __XFS_MULTIDISK_H__ */ |