| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds | 631 | 72.78% | 3 | 37.50% |
| Krzysztof Błaszkowski | 228 | 26.30% | 1 | 12.50% |
| Linus Torvalds (pre-git) | 3 | 0.35% | 1 | 12.50% |
| Christoph Hellwig | 2 | 0.23% | 1 | 12.50% |
| Cliff Wickman | 2 | 0.23% | 1 | 12.50% |
| Brian Gerst | 1 | 0.12% | 1 | 12.50% |
| Total | 867 | 8 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2000-2001 Christoph Hellwig. * Copyright (c) 2016 Krzysztof Blaszkowski */ #ifndef _VXFS_SUPER_H_ #define _VXFS_SUPER_H_ /* * Veritas filesystem driver - superblock structure. * * This file contains the definition of the disk and core * superblocks of the Veritas Filesystem. */ #include <linux/types.h> /* * Superblock magic number (vxfs_super->vs_magic). */ #define VXFS_SUPER_MAGIC 0xa501FCF5 /* * The root inode. */ #define VXFS_ROOT_INO 2 /* * Num of entries in free extent array */ #define VXFS_NEFREE 32 enum vxfs_byte_order { VXFS_BO_LE, VXFS_BO_BE, }; typedef __u16 __bitwise __fs16; typedef __u32 __bitwise __fs32; typedef __u64 __bitwise __fs64; /* * VxFS superblock (disk). */ struct vxfs_sb { /* * Readonly fields for the version 1 superblock. * * Lots of this fields are no more used by version 2 * and never filesystems. */ __fs32 vs_magic; /* Magic number */ __fs32 vs_version; /* VxFS version */ __fs32 vs_ctime; /* create time - secs */ __fs32 vs_cutime; /* create time - usecs */ __fs32 __unused1; /* unused */ __fs32 __unused2; /* unused */ __fs32 vs_old_logstart; /* obsolete */ __fs32 vs_old_logend; /* obsolete */ __fs32 vs_bsize; /* block size */ __fs32 vs_size; /* number of blocks */ __fs32 vs_dsize; /* number of data blocks */ __fs32 vs_old_ninode; /* obsolete */ __fs32 vs_old_nau; /* obsolete */ __fs32 __unused3; /* unused */ __fs32 vs_old_defiextsize; /* obsolete */ __fs32 vs_old_ilbsize; /* obsolete */ __fs32 vs_immedlen; /* size of immediate data area */ __fs32 vs_ndaddr; /* number of direct extentes */ __fs32 vs_firstau; /* address of first AU */ __fs32 vs_emap; /* offset of extent map in AU */ __fs32 vs_imap; /* offset of inode map in AU */ __fs32 vs_iextop; /* offset of ExtOp. map in AU */ __fs32 vs_istart; /* offset of inode list in AU */ __fs32 vs_bstart; /* offset of fdblock in AU */ __fs32 vs_femap; /* aufirst + emap */ __fs32 vs_fimap; /* aufirst + imap */ __fs32 vs_fiextop; /* aufirst + iextop */ __fs32 vs_fistart; /* aufirst + istart */ __fs32 vs_fbstart; /* aufirst + bstart */ __fs32 vs_nindir; /* number of entries in indir */ __fs32 vs_aulen; /* length of AU in blocks */ __fs32 vs_auimlen; /* length of imap in blocks */ __fs32 vs_auemlen; /* length of emap in blocks */ __fs32 vs_auilen; /* length of ilist in blocks */ __fs32 vs_aupad; /* length of pad in blocks */ __fs32 vs_aublocks; /* data blocks in AU */ __fs32 vs_maxtier; /* log base 2 of aublocks */ __fs32 vs_inopb; /* number of inodes per blk */ __fs32 vs_old_inopau; /* obsolete */ __fs32 vs_old_inopilb; /* obsolete */ __fs32 vs_old_ndiripau; /* obsolete */ __fs32 vs_iaddrlen; /* size of indirect addr ext. */ __fs32 vs_bshift; /* log base 2 of bsize */ __fs32 vs_inoshift; /* log base 2 of inobp */ __fs32 vs_bmask; /* ~( bsize - 1 ) */ __fs32 vs_boffmask; /* bsize - 1 */ __fs32 vs_old_inomask; /* old_inopilb - 1 */ __fs32 vs_checksum; /* checksum of V1 data */ /* * Version 1, writable */ __fs32 vs_free; /* number of free blocks */ __fs32 vs_ifree; /* number of free inodes */ __fs32 vs_efree[VXFS_NEFREE]; /* number of free extents by size */ __fs32 vs_flags; /* flags ?!? */ __u8 vs_mod; /* filesystem has been changed */ __u8 vs_clean; /* clean FS */ __fs16 __unused4; /* unused */ __fs32 vs_firstlogid; /* mount time log ID */ __fs32 vs_wtime; /* last time written - sec */ __fs32 vs_wutime; /* last time written - usec */ __u8 vs_fname[6]; /* FS name */ __u8 vs_fpack[6]; /* FS pack name */ __fs32 vs_logversion; /* log format version */ __u32 __unused5; /* unused */ /* * Version 2, Read-only */ __fs32 vs_oltext[2]; /* OLT extent and replica */ __fs32 vs_oltsize; /* OLT extent size */ __fs32 vs_iauimlen; /* size of inode map */ __fs32 vs_iausize; /* size of IAU in blocks */ __fs32 vs_dinosize; /* size of inode in bytes */ __fs32 vs_old_dniaddr; /* indir levels per inode */ __fs32 vs_checksum2; /* checksum of V2 RO */ /* * Actually much more... */ }; /* * In core superblock filesystem private data for VxFS. */ struct vxfs_sb_info { struct vxfs_sb *vsi_raw; /* raw (on disk) superblock */ struct buffer_head *vsi_bp; /* buffer for raw superblock*/ struct inode *vsi_fship; /* fileset header inode */ struct inode *vsi_ilist; /* inode list inode */ struct inode *vsi_stilist; /* structural inode list inode */ u_long vsi_iext; /* initial inode list */ ino_t vsi_fshino; /* fileset header inode */ daddr_t vsi_oltext; /* OLT extent */ daddr_t vsi_oltsize; /* OLT size */ enum vxfs_byte_order byte_order; }; static inline u16 fs16_to_cpu(struct vxfs_sb_info *sbi, __fs16 a) { if (sbi->byte_order == VXFS_BO_BE) return be16_to_cpu((__force __be16)a); else return le16_to_cpu((__force __le16)a); } static inline u32 fs32_to_cpu(struct vxfs_sb_info *sbi, __fs32 a) { if (sbi->byte_order == VXFS_BO_BE) return be32_to_cpu((__force __be32)a); else return le32_to_cpu((__force __le32)a); } static inline u64 fs64_to_cpu(struct vxfs_sb_info *sbi, __fs64 a) { if (sbi->byte_order == VXFS_BO_BE) return be64_to_cpu((__force __be64)a); else return le64_to_cpu((__force __le64)a); } /* * File modes. File types above 0xf000 are vxfs internal only, they should * not be passed back to higher levels of the system. vxfs file types must * never have one of the regular file type bits set. */ enum vxfs_mode { VXFS_ISUID = 0x00000800, /* setuid */ VXFS_ISGID = 0x00000400, /* setgid */ VXFS_ISVTX = 0x00000200, /* sticky bit */ VXFS_IREAD = 0x00000100, /* read */ VXFS_IWRITE = 0x00000080, /* write */ VXFS_IEXEC = 0x00000040, /* exec */ VXFS_IFIFO = 0x00001000, /* Named pipe */ VXFS_IFCHR = 0x00002000, /* Character device */ VXFS_IFDIR = 0x00004000, /* Directory */ VXFS_IFNAM = 0x00005000, /* Xenix device ?? */ VXFS_IFBLK = 0x00006000, /* Block device */ VXFS_IFREG = 0x00008000, /* Regular file */ VXFS_IFCMP = 0x00009000, /* Compressed file ?!? */ VXFS_IFLNK = 0x0000a000, /* Symlink */ VXFS_IFSOC = 0x0000c000, /* Socket */ /* VxFS internal */ VXFS_IFFSH = 0x10000000, /* Fileset header */ VXFS_IFILT = 0x20000000, /* Inode list */ VXFS_IFIAU = 0x30000000, /* Inode allocation unit */ VXFS_IFCUT = 0x40000000, /* Current usage table */ VXFS_IFATT = 0x50000000, /* Attr. inode */ VXFS_IFLCT = 0x60000000, /* Link count table */ VXFS_IFIAT = 0x70000000, /* Indirect attribute file */ VXFS_IFEMR = 0x80000000, /* Extent map reorg file */ VXFS_IFQUO = 0x90000000, /* BSD quota file */ VXFS_IFPTI = 0xa0000000, /* "Pass through" inode */ VXFS_IFLAB = 0x11000000, /* Device label file */ VXFS_IFOLT = 0x12000000, /* OLT file */ VXFS_IFLOG = 0x13000000, /* Log file */ VXFS_IFEMP = 0x14000000, /* Extent map file */ VXFS_IFEAU = 0x15000000, /* Extent AU file */ VXFS_IFAUS = 0x16000000, /* Extent AU summary file */ VXFS_IFDEV = 0x17000000, /* Device config file */ }; #define VXFS_TYPE_MASK 0xfffff000 #define VXFS_IS_TYPE(ip,type) (((ip)->vii_mode & VXFS_TYPE_MASK) == (type)) #define VXFS_ISFIFO(x) VXFS_IS_TYPE((x),VXFS_IFIFO) #define VXFS_ISCHR(x) VXFS_IS_TYPE((x),VXFS_IFCHR) #define VXFS_ISDIR(x) VXFS_IS_TYPE((x),VXFS_IFDIR) #define VXFS_ISNAM(x) VXFS_IS_TYPE((x),VXFS_IFNAM) #define VXFS_ISBLK(x) VXFS_IS_TYPE((x),VXFS_IFBLK) #define VXFS_ISLNK(x) VXFS_IS_TYPE((x),VXFS_IFLNK) #define VXFS_ISREG(x) VXFS_IS_TYPE((x),VXFS_IFREG) #define VXFS_ISCMP(x) VXFS_IS_TYPE((x),VXFS_IFCMP) #define VXFS_ISSOC(x) VXFS_IS_TYPE((x),VXFS_IFSOC) #define VXFS_ISFSH(x) VXFS_IS_TYPE((x),VXFS_IFFSH) #define VXFS_ISILT(x) VXFS_IS_TYPE((x),VXFS_IFILT) /* * Inmode organisation types. */ enum { VXFS_ORG_NONE = 0, /* Inode has *no* format ?!? */ VXFS_ORG_EXT4 = 1, /* Ext4 */ VXFS_ORG_IMMED = 2, /* All data stored in inode */ VXFS_ORG_TYPED = 3, /* Typed extents */ }; #define VXFS_IS_ORG(ip,org) ((ip)->vii_orgtype == (org)) #define VXFS_ISNONE(ip) VXFS_IS_ORG((ip), VXFS_ORG_NONE) #define VXFS_ISEXT4(ip) VXFS_IS_ORG((ip), VXFS_ORG_EXT4) #define VXFS_ISIMMED(ip) VXFS_IS_ORG((ip), VXFS_ORG_IMMED) #define VXFS_ISTYPED(ip) VXFS_IS_ORG((ip), VXFS_ORG_TYPED) /* * Get filesystem private data from VFS superblock. */ #define VXFS_SBI(sbp) \ ((struct vxfs_sb_info *)(sbp)->s_fs_info) #endif /* _VXFS_SUPER_H_ */
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