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194 lines
5.7 KiB
194 lines
5.7 KiB
/* |
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* Copyright (c) 2000-2001 Christoph Hellwig. |
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* Copyright (c) 2016 Krzysztof Blaszkowski |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions, and the following disclaimer, |
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* without modification. |
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* 2. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* Alternatively, this software may be distributed under the terms of the |
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* GNU General Public License ("GPL"). |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR |
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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*/ |
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#ifndef _VXFS_INODE_H_ |
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#define _VXFS_INODE_H_ |
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/* |
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* Veritas filesystem driver - inode structure. |
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* |
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* This file contains the definition of the disk and core |
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* inodes of the Veritas Filesystem. |
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*/ |
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#define VXFS_ISIZE 0x100 /* Inode size */ |
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#define VXFS_NDADDR 10 /* Number of direct addrs in inode */ |
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#define VXFS_NIADDR 2 /* Number of indirect addrs in inode */ |
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#define VXFS_NIMMED 96 /* Size of immediate data in inode */ |
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#define VXFS_NTYPED 6 /* Num of typed extents */ |
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#define VXFS_TYPED_OFFSETMASK (0x00FFFFFFFFFFFFFFULL) |
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#define VXFS_TYPED_TYPEMASK (0xFF00000000000000ULL) |
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#define VXFS_TYPED_TYPESHIFT 56 |
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#define VXFS_TYPED_PER_BLOCK(sbp) \ |
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((sbp)->s_blocksize / sizeof(struct vxfs_typed)) |
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/* |
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* Possible extent descriptor types for %VXFS_ORG_TYPED extents. |
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*/ |
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enum { |
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VXFS_TYPED_INDIRECT = 1, |
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VXFS_TYPED_DATA = 2, |
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VXFS_TYPED_INDIRECT_DEV4 = 3, |
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VXFS_TYPED_DATA_DEV4 = 4, |
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}; |
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/* |
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* Data stored immediately in the inode. |
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*/ |
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struct vxfs_immed { |
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__u8 vi_immed[VXFS_NIMMED]; |
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}; |
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struct vxfs_ext4 { |
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__fs32 ve4_spare; /* ?? */ |
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__fs32 ve4_indsize; /* Indirect extent size */ |
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__fs32 ve4_indir[VXFS_NIADDR]; /* Indirect extents */ |
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struct direct { /* Direct extents */ |
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__fs32 extent; /* Extent number */ |
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__fs32 size; /* Size of extent */ |
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} ve4_direct[VXFS_NDADDR]; |
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}; |
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struct vxfs_typed { |
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__fs64 vt_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
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__fs32 vt_block; /* Extent block */ |
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__fs32 vt_size; /* Size in blocks */ |
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}; |
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struct vxfs_typed_dev4 { |
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__fs64 vd4_hdr; /* Header, 0xTTOOOOOOOOOOOOOO; T=type,O=offs */ |
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__fs64 vd4_block; /* Extent block */ |
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__fs64 vd4_size; /* Size in blocks */ |
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__fs32 vd4_dev; /* Device ID */ |
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__u8 __pad1; |
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}; |
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/* |
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* The inode as contained on the physical device. |
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*/ |
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struct vxfs_dinode { |
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__fs32 vdi_mode; |
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__fs32 vdi_nlink; /* Link count */ |
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__fs32 vdi_uid; /* UID */ |
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__fs32 vdi_gid; /* GID */ |
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__fs64 vdi_size; /* Inode size in bytes */ |
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__fs32 vdi_atime; /* Last time accessed - sec */ |
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__fs32 vdi_autime; /* Last time accessed - usec */ |
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__fs32 vdi_mtime; /* Last modify time - sec */ |
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__fs32 vdi_mutime; /* Last modify time - usec */ |
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__fs32 vdi_ctime; /* Create time - sec */ |
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__fs32 vdi_cutime; /* Create time - usec */ |
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__u8 vdi_aflags; /* Allocation flags */ |
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__u8 vdi_orgtype; /* Organisation type */ |
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__fs16 vdi_eopflags; |
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__fs32 vdi_eopdata; |
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union { |
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__fs32 rdev; |
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__fs32 dotdot; |
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struct { |
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__u32 reserved; |
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__fs32 fixextsize; |
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} i_regular; |
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struct { |
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__fs32 matchino; |
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__fs32 fsetindex; |
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} i_vxspec; |
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__u64 align; |
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} vdi_ftarea; |
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__fs32 vdi_blocks; /* How much blocks does inode occupy */ |
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__fs32 vdi_gen; /* Inode generation */ |
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__fs64 vdi_version; /* Version */ |
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union { |
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struct vxfs_immed immed; |
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struct vxfs_ext4 ext4; |
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struct vxfs_typed typed[VXFS_NTYPED]; |
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} vdi_org; |
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__fs32 vdi_iattrino; |
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}; |
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#define vdi_rdev vdi_ftarea.rdev |
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#define vdi_dotdot vdi_ftarea.dotdot |
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#define vdi_fixextsize vdi_ftarea.regular.fixextsize |
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#define vdi_matchino vdi_ftarea.vxspec.matchino |
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#define vdi_fsetindex vdi_ftarea.vxspec.fsetindex |
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#define vdi_immed vdi_org.immed |
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#define vdi_ext4 vdi_org.ext4 |
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#define vdi_typed vdi_org.typed |
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/* |
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* The inode as represented in the main memory. |
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*/ |
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struct vxfs_inode_info { |
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struct inode vfs_inode; |
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__u32 vii_mode; |
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__u32 vii_nlink; /* Link count */ |
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__u32 vii_uid; /* UID */ |
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__u32 vii_gid; /* GID */ |
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__u64 vii_size; /* Inode size in bytes */ |
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__u32 vii_atime; /* Last time accessed - sec */ |
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__u32 vii_autime; /* Last time accessed - usec */ |
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__u32 vii_mtime; /* Last modify time - sec */ |
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__u32 vii_mutime; /* Last modify time - usec */ |
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__u32 vii_ctime; /* Create time - sec */ |
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__u32 vii_cutime; /* Create time - usec */ |
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__u8 vii_orgtype; /* Organisation type */ |
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union { |
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__u32 rdev; |
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__u32 dotdot; |
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} vii_ftarea; |
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__u32 vii_blocks; /* How much blocks does inode occupy */ |
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__u32 vii_gen; /* Inode generation */ |
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union { |
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struct vxfs_immed immed; |
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struct vxfs_ext4 ext4; |
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struct vxfs_typed typed[VXFS_NTYPED]; |
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} vii_org; |
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}; |
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#define vii_rdev vii_ftarea.rdev |
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#define vii_dotdot vii_ftarea.dotdot |
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#define vii_immed vii_org.immed |
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#define vii_ext4 vii_org.ext4 |
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#define vii_typed vii_org.typed |
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static inline struct vxfs_inode_info *VXFS_INO(struct inode *inode) |
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{ |
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return container_of(inode, struct vxfs_inode_info, vfs_inode); |
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} |
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#endif /* _VXFS_INODE_H_ */
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