X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d52fe63fc81f7e44faaae711812a211a78434976..8f6c56a50524aa785f7e596d52dddfb331e18961:/bsd/hfs/hfs.h diff --git a/bsd/hfs/hfs.h b/bsd/hfs/hfs.h index c88467a1c..55645f8fe 100644 --- a/bsd/hfs/hfs.h +++ b/bsd/hfs/hfs.h @@ -1,52 +1,58 @@ /* - * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ -/* @(#)hfs.h 3.0 -* -* (c) 1990, 1992 NeXT Computer, Inc. All Rights Reserved -* (c) 1997-1999 Apple Computer, Inc. All Rights Reserved -* -* hfs.h -- constants, structures, function declarations. etc. -* for Macintosh file system vfs. -* -*/ #ifndef __HFS__ #define __HFS__ +#define HFS_SPARSE_DEV 1 + +#include + +#ifdef KERNEL +#ifdef __APPLE_API_PRIVATE #include -#include #include -#include - +#include +#include +#include #include +#include + +#include + +#include #include +#include +#include #include #include -#include - - -struct uio; // This is more effective than #include in case KERNEL is undefined... -struct hfslockf; // For advisory locking +#include /* * Just reported via MIG interface. @@ -55,31 +61,21 @@ struct hfslockf; // For advisory locking #define HFS_LINK_MAX 32767 -/* - * Set to force READ_ONLY. - */ -#define FORCE_READONLY 0 +#define HFS_MAX_DEFERED_ALLOC (1024*1024) + +// 32 gigs is a "big" file (i.e. one that when deleted +// would touch enough data that we should break it into +// multiple separate transactions +#define HFS_BIGFILE_SIZE (32LL * 1024LL * 1024LL * 1024LL) + enum { kMDBSize = 512 }; /* Size of I/O transfer to read entire MDB */ enum { kMasterDirectoryBlock = 2 }; /* MDB offset on disk in 512-byte blocks */ enum { kMDBOffset = kMasterDirectoryBlock * 512 }; /* MDB offset on disk in bytes */ -enum { - kUnknownID = 0, - kRootParID = 1, - kRootDirID = 2 -}; +#define kRootDirID kHFSRootFolderID -enum { - kUndefinedFork = 0, - kDataFork, - kRsrcFork, - kDirectory, - kSysFile, - kDefault, - kAnyFork -}; /* number of locked buffer caches to hold for b-tree meta data */ #define kMaxLockedMetaBuffers 32 @@ -88,601 +84,301 @@ enum { * File type and creator for symbolic links */ enum { - kSymLinkFileType = 0x736C6E6B, /* 'slnk' */ - kSymLinkCreator = 0x72686170 /* 'rhap' */ + kSymLinkFileType = 0x736C6E6B, /* 'slnk' */ + kSymLinkCreator = 0x72686170 /* 'rhap' */ }; -#define BUFFERPTRLISTSIZE 25 - -extern char * gBufferAddress[BUFFERPTRLISTSIZE]; -extern struct buf *gBufferHeaderPtr[BUFFERPTRLISTSIZE]; -extern int gBufferListIndex; -extern simple_lock_data_t gBufferPtrListLock; extern struct timezone gTimeZone; -/* Flag values for bexpand: */ -#define RELEASE_BUFFER 0x00000001 - /* How many free extents to cache per volume */ #define kMaxFreeExtents 10 -/* Internal Data structures*/ - -struct vcb_t { - u_int16_t vcbSigWord; - int16_t vcbAtrb; - int16_t vcbFlags; - int16_t vcbVRefNum; - - u_int32_t vcbCrDate; - u_int32_t vcbLsMod; - u_int32_t vcbVolBkUp; - u_int32_t checkedDate; /* time of last disk check */ - - int32_t vcbFilCnt; - int32_t vcbDirCnt; - u_int32_t blockSize; /* size of allocation blocks */ - u_int32_t totalBlocks; /* total allocation blocks */ - u_int32_t freeBlocks; /* free allocation blocks */ - u_int32_t nextAllocation; /* start of next allocation search */ - int32_t vcbClpSiz; - u_int32_t vcbNxtCNID; - u_int32_t vcbCNIDGen; - int32_t vcbWrCnt; - - int32_t vcbFndrInfo[8]; - - u_int64_t encodingsBitmap; /* HFS Plus only */ - - u_int16_t vcbNmFls; /* HFS only */ - u_int16_t vcbNmRtDirs; /* HFS only */ - int16_t vcbVBMSt; /* HFS only */ - int16_t vcbAlBlSt; /* HFS only */ - - struct vnode * extentsRefNum; - struct vnode * catalogRefNum; - struct vnode * allocationsRefNum; - - u_int8_t vcbVN[256]; /* volume name in UTF-8 */ - u_int32_t volumeNameEncodingHint; - u_int32_t altIDSector; /* location of alternate MDB/VH */ - u_int32_t hfsPlusIOPosOffset; /* Disk block where HFS+ starts */ - u_int32_t vcbVBMIOSize; /* volume bitmap I/O size */ - char * hintCachePtr; /* volume heuristicHint cache */ - - /* cache of largest known free extents */ - u_int32_t vcbFreeExtCnt; - HFSPlusExtentDescriptor vcbFreeExt[kMaxFreeExtents]; +/* + * HFS_MINFREE gives the minimum acceptable percentage + * of file system blocks which may be free (but this + * minimum will never exceed HFS_MAXRESERVE bytes). If + * the free block count drops below this level only the + * superuser may continue to allocate blocks. + */ +#define HFS_MINFREE 1 +#define HFS_MAXRESERVE ((u_int64_t)(250*1024*1024)) - u_int32_t localCreateDate; /* creation times for HFS+ volumes are in local time */ - simple_lock_data_t vcbSimpleLock; /* simple lock to allow concurrent access to vcb data */ -}; -typedef struct vcb_t ExtendedVCB; +/* + * The system distinguishes between the desirable low-disk + * notifiaction levels for root volumes and non-root volumes. + * The various thresholds are computed as a fraction of the + * volume size, all capped at a certain fixed level + */ + +#define HFS_ROOTLOWDISKTRIGGERFRACTION 5 +#define HFS_ROOTLOWDISKTRIGGERLEVEL ((u_int64_t)(250*1024*1024)) +#define HFS_ROOTLOWDISKSHUTOFFFRACTION 6 +#define HFS_ROOTLOWDISKSHUTOFFLEVEL ((u_int64_t)(375*1024*1024)) +#define HFS_LOWDISKTRIGGERFRACTION 1 +#define HFS_LOWDISKTRIGGERLEVEL ((u_int64_t)(50*1024*1024)) +#define HFS_LOWDISKSHUTOFFFRACTION 2 +#define HFS_LOWDISKSHUTOFFLEVEL ((u_int64_t)(75*1024*1024)) -/* vcbFlags */ -#define kHFS_DamagedVolume 0x1 /* This volume has errors, unmount dirty */ -#define MARK_VOLUMEDAMAGED(fcb) FCBTOVCB((fcb))->vcbFlags |= kHFS_DamagedVolume; +/* Internal Data structures*/ -/* - * NOTE: The code relies on being able to cast an ExtendedVCB* to a vfsVCB* in order - * to gain access to the mount point pointer from a pointer - * to an ExtendedVCB. DO NOT INSERT OTHER FIELDS BEFORE THE vcb FIELD!! - * - * vcbFlags, vcbLsMod, vcbFilCnt, vcbDirCnt, vcbNxtCNID, etc - * are locked by the hfs_lock simple lock. - */ -typedef struct vfsVCB { - ExtendedVCB vcb_vcb; - struct hfsmount *vcb_hfsmp; /* Pointer to hfsmount structure */ -} vfsVCB_t; +#define kHFS_DamagedVolume 0x1 /* This volume has errors, unmount dirty */ +/* XXX */ +#define MARK_VOLUMEDAMAGED(fcb) /* This structure describes the HFS specific mount structure data. */ typedef struct hfsmount { - u_long hfs_mount_flags; - u_int8_t hfs_fs_clean; /* Whether contents have been flushed in clean state */ - u_int8_t hfs_fs_ronly; /* Whether this was mounted as read-initially */ - u_int8_t hfs_unknownpermissions; /* Whether this was mounted with MNT_UNKNOWNPERMISSIONS */ - + u_int32_t hfs_flags; /* see below */ + /* Physical Description */ - u_long hfs_phys_block_count; /* Num of PHYSICAL blocks of volume */ - u_long hfs_phys_block_size; /* Always a multiple of 512 */ + u_long hfs_phys_block_size; /* Always a multiple of 512 */ + daddr64_t hfs_phys_block_count; /* Num of PHYSICAL blocks of volume */ + daddr64_t hfs_alt_id_sector; /* location of alternate VH/MDB */ /* Access to VFS and devices */ struct mount *hfs_mp; /* filesystem vfs structure */ struct vnode *hfs_devvp; /* block device mounted vnode */ - dev_t hfs_raw_dev; /* device mounted */ - struct netexport hfs_export; /* Export information */ - u_int32_t hfs_logBlockSize; /* Size of buffer cache buffer for I/O */ + struct vnode * hfs_extents_vp; + struct vnode * hfs_catalog_vp; + struct vnode * hfs_allocation_vp; + struct vnode * hfs_attribute_vp; + dev_t hfs_raw_dev; /* device mounted */ + u_int32_t hfs_logBlockSize; /* Size of buffer cache buffer for I/O */ /* Default values for HFS standard and non-init access */ - uid_t hfs_uid; /* uid to set as owner of the files */ - gid_t hfs_gid; /* gid to set as owner of the files */ - mode_t hfs_dir_mask; /* mask to and with directory protection bits */ - mode_t hfs_file_mask; /* mask to and with file protection bits */ - u_long hfs_encoding; /* Defualt encoding for non hfs+ volumes */ - - /* simple lock for shared meta renaming */ - simple_lock_data_t hfs_renamelock; - - /* HFS Specific */ - struct vfsVCB hfs_vcb; - u_long hfs_private_metadata_dir; /* private/hidden directory for unlinked files */ + uid_t hfs_uid; /* uid to set as owner of the files */ + gid_t hfs_gid; /* gid to set as owner of the files */ + mode_t hfs_dir_mask; /* mask to and with directory protection bits */ + mode_t hfs_file_mask; /* mask to and with file protection bits */ + u_long hfs_encoding; /* Defualt encoding for non hfs+ volumes */ + + /* Persistent fields (on disk, dynamic) */ + time_t hfs_mtime; /* file system last modification time */ + u_int32_t hfs_filecount; /* number of files in file system */ + u_int32_t hfs_dircount; /* number of directories in file system */ + u_int32_t freeBlocks; /* free allocation blocks */ + u_int32_t nextAllocation; /* start of next allocation search */ + u_int32_t vcbNxtCNID; /* next unused catalog node ID */ + u_int32_t vcbWrCnt; /* file system write count */ + u_int64_t encodingsBitmap; /* in-use encodings */ + u_int16_t vcbNmFls; /* HFS Only - root dir file count */ + u_int16_t vcbNmRtDirs; /* HFS Only - root dir directory count */ + + /* Persistent fields (on disk, static) */ + u_int16_t vcbSigWord; + int16_t vcbFlags; + u_int32_t vcbAtrb; + u_int32_t vcbJinfoBlock; + time_t hfs_itime; /* file system creation time */ + time_t hfs_btime; /* file system last backup time */ + u_int32_t blockSize; /* size of allocation blocks */ + u_int32_t totalBlocks; /* total allocation blocks */ + int32_t vcbClpSiz; + u_int32_t vcbFndrInfo[8]; + int16_t vcbVBMSt; /* HFS only */ + int16_t vcbAlBlSt; /* HFS only */ + + /* vcb stuff */ + u_int8_t vcbVN[256]; /* volume name in UTF-8 */ + u_int32_t volumeNameEncodingHint; + u_int32_t hfsPlusIOPosOffset; /* Disk block where HFS+ starts */ + u_int32_t vcbVBMIOSize; /* volume bitmap I/O size */ + + /* cache of largest known free extents */ + u_int32_t vcbFreeExtCnt; + HFSPlusExtentDescriptor vcbFreeExt[kMaxFreeExtents]; + + u_int32_t reserveBlocks; /* free block reserve */ + u_int32_t loanedBlocks; /* blocks on loan for delayed allocations */ + + u_int32_t localCreateDate; /* creation times for HFS+ volumes are in local time */ + struct cat_desc hfs_privdir_desc; + struct cat_attr hfs_privdir_attr; u_int32_t hfs_metadata_createdate; hfs_to_unicode_func_t hfs_get_unicode; unicode_to_hfs_func_t hfs_get_hfsname; -} hfsmount_t; + + /* Quota variables: */ + struct quotafile hfs_qfiles[MAXQUOTAS]; /* quota files */ + + /* Journaling variables: */ + void *jnl; // the journal for this volume (if one exists) + struct vnode *jvp; // device where the journal lives (may be equal to devvp) + u_int32_t jnl_start; // start block of the journal file (so we don't delete it) + u_int32_t jnl_size; + u_int32_t hfs_jnlfileid; + u_int32_t hfs_jnlinfoblkid; + lck_rw_t hfs_global_lock; + u_int32_t hfs_global_lock_nesting; + + /* Notification variables: */ + unsigned long hfs_notification_conditions; + u_int32_t hfs_freespace_notify_warninglimit; + u_int32_t hfs_freespace_notify_desiredlevel; + + /* time mounted and last mounted mod time "snapshot" */ + time_t hfs_mount_time; + time_t hfs_last_mounted_mtime; + + /* Metadata allocation zone variables: */ + u_int32_t hfs_metazone_start; + u_int32_t hfs_metazone_end; + u_int32_t hfs_hotfile_start; + u_int32_t hfs_hotfile_end; + int hfs_hotfile_freeblks; + int hfs_hotfile_maxblks; + int hfs_overflow_maxblks; + int hfs_catalog_maxblks; + + /* Hot File Clustering variables: */ + lck_mtx_t hfc_mutex; /* serialize hot file stages */ + enum hfc_stage hfc_stage; /* what are we up to... */ + time_t hfc_timebase; /* recording period start time */ + time_t hfc_timeout; /* recording period stop time */ + void * hfc_recdata; /* recording data (opaque) */ + int hfc_maxfiles; /* maximum files to track */ + struct vnode * hfc_filevp; + +#ifdef HFS_SPARSE_DEV + /* Sparse device variables: */ + struct vnode * hfs_backingfs_rootvp; + int hfs_sparsebandblks; +#endif + size_t hfs_max_inline_attrsize; -#define HFSPLUS_PRIVATE_DIR \ - "\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80HFS+ Private Data" + lck_mtx_t hfs_mutex; /* protects access to hfsmount data */ + void *hfs_freezing_proc; /* who froze the fs */ + lck_rw_t hfs_insync; /* protects sync/freeze interaction */ +} hfsmount_t; +typedef hfsmount_t ExtendedVCB; + +/* Aliases for legacy field names */ +#define vcbCrDate hfs_itime +#define vcbLsMod hfs_mtime +#define vcbVolBkUp hfs_btime +#define extentsRefNum hfs_extents_vp +#define catalogRefNum hfs_catalog_vp +#define allocationsRefNum hfs_allocation_vp +#define vcbFilCnt hfs_filecount +#define vcbDirCnt hfs_dircount + + +/* HFS mount point flags */ +#define HFS_READ_ONLY 0x001 +#define HFS_UNKNOWN_PERMS 0x002 +#define HFS_WRITEABLE_MEDIA 0x004 +#define HFS_CLEANED_ORPHANS 0x008 +#define HFS_X 0x010 +#define HFS_CASE_SENSITIVE 0x020 +#define HFS_STANDARD 0x040 +#define HFS_METADATA_ZONE 0x080 +#define HFS_FRAGMENTED_FREESPACE 0x100 +#define HFS_NEED_JNL_RESET 0x200 +#define HFS_HAS_SPARSE_DEVICE 0x400 + + +#define HFS_MOUNT_LOCK(hfsmp, metadata) \ + { \ + if ((metadata) && 1) \ + lck_mtx_lock(&(hfsmp)->hfs_mutex); \ + } \ + +#define HFS_MOUNT_UNLOCK(hfsmp, metadata) \ + { \ + if ((metadata) && 1) \ + lck_mtx_unlock(&(hfsmp)->hfs_mutex); \ + } \ + +#define hfs_global_exclusive_lock_acquire(hfsmp) lck_rw_lock_exclusive(&(hfsmp)->hfs_global_lock) +#define hfs_global_exclusive_lock_release(hfsmp) lck_rw_done(&(hfsmp)->hfs_global_lock) -/***************************************************************************** -* -* hfsnode structure -* -* -* -*****************************************************************************/ #define MAXHFSVNODELEN 31 -typedef u_char FileNameStr[MAXHFSVNODELEN+1]; - -CIRCLEQ_HEAD(siblinghead, hfsnode) ; /* Head of the sibling list */ - - -struct hfsnode { - LIST_ENTRY(hfsnode) h_hash; /* links on valid files */ - CIRCLEQ_ENTRY(hfsnode) h_sibling; /* links on siblings */ - struct lock__bsd__ h_lock; /* node lock. */ - union { - struct hfslockf *hu_lockf; /* Head of byte-level lock list. */ - void *hu_sysdata; /* private data for system files */ - char hu_symlinkdata[4]; /* symbolic link (4 chars or less) */ - char *hu_symlinkptr; /* symbolic link pathname */ - } h_un; - struct vnode * h_vp; /* vnode associated with this inode. */ - struct hfsfilemeta * h_meta; /* Ptr to file meta data */ - u_int16_t h_nodeflags; /* flags, see below */ - u_int8_t h_type; /* Type of info: dir, data, rsrc */ - int8_t fcbFlags; /* FCB flags */ - struct rl_head h_invalidranges;/* Areas of disk that should read back as zeroes */ - u_int64_t fcbEOF; /* Logical length or EOF in bytes */ - u_int64_t fcbPLen; /* Physical file length in bytes */ - u_int32_t fcbClmpSize; /* Number of bytes per clump */ - HFSPlusExtentRecord fcbExtents; /* Extents of file */ - -#if HFS_DIAGNOSTIC - u_int32_t h_valid; /* is the vnode reference valid */ -#endif -}; -#define h_lockf h_un.hu_lockf -#define fcbBTCBPtr h_un.hu_sysdata -#define h_symlinkptr h_un.hu_symlinkptr -#define h_symlinkdata h_un.hu_symlinkdata - -typedef struct hfsnode FCB; - - -typedef struct hfsfilemeta { - struct siblinghead h_siblinghead; /* Head of the sibling list */ - simple_lock_data_t h_siblinglock; /* sibling list lock. */ - u_int32_t h_metaflags; /* IN_LONGNAME, etc */ - struct vnode *h_devvp; /* vnode for block I/O. */ - - dev_t h_dev; /* Device associated with the inode. */ - u_int32_t h_nodeID; /* specific id of this node */ - u_int32_t h_dirID; /* Parent Directory ID */ - u_int32_t h_hint; /* Catalog hint */ - - off_t h_size; /* Total physical size of object */ - u_int16_t h_usecount; /* How many siblings */ - u_int16_t h_mode; /* IFMT, permissions; see below. */ - u_int32_t h_pflags; /* Permission flags (NODUMP, IMMUTABLE, APPEND etc.) */ - u_int32_t h_uid; /* File owner. */ - u_int32_t h_gid; /* File group. */ - union { - dev_t hu_rdev; /* Special device info for this node */ - u_int32_t hu_indnodeno; /* internal indirect node number (never exported) */ - } h_spun; - u_int32_t h_crtime; /* BSD-format creation date in secs. */ - u_int32_t h_atime; /* BSD-format access date in secs. */ - u_int32_t h_mtime; /* BSD-format mod date in seconds */ - u_int32_t h_ctime; /* BSD-format status change date */ - u_int32_t h_butime; /* BSD-format last backup date in secs. */ - u_int16_t h_nlink; /* link count (aprox. for dirs) */ - u_short h_namelen; /* Length of name string */ - char * h_namePtr; /* Points the name of the file */ - FileNameStr h_fileName; /* CName of file */ -} hfsfilemeta; -#define h_rdev h_spun.hu_rdev -#define h_indnodeno h_spun.hu_indnodeno - -#define H_EXTENDSIZE(VP,BYTES) ((VP)->h_meta->h_size += (BYTES)) -#define H_TRUNCSIZE(VP,BYTES) ((VP)->h_meta->h_size -= (BYTES)) - -#define MAKE_INODE_NAME(name,linkno) \ - (void) sprintf((name), "%s%d", HFS_INODE_PREFIX, (linkno)) - - -/* - * Macros for quick access to fields buried in the fcb inside an hfs node: - */ -#define H_FORKTYPE(HP) ((HP)->h_type) -#define H_FILEID(HP) ((HP)->h_meta->h_nodeID) -#define H_DIRID(HP) ((HP)->h_meta->h_dirID) -#define H_NAME(HP) ((HP)->h_meta->h_namePtr) -#define H_HINT(HP) ((HP)->h_meta->h_hint) -#define H_DEV(HP) ((HP)->h_meta->h_dev) - -#define H_ISBIGLINK(HP) ((HP)->fcbEOF > 4) -#define H_SYMLINK(HP) (H_ISBIGLINK((HP)) ? (HP)->h_symlinkptr : (HP)->h_symlinkdata) - -/* These flags are kept in flags. */ -#define IN_ACCESS 0x0001 /* Access time update request. */ -#define IN_CHANGE 0x0002 /* Change time update request. */ -#define IN_UPDATE 0x0004 /* Modification time update request. */ -#define IN_MODIFIED 0x0008 /* Node has been modified. */ -#define IN_RENAME 0x0010 /* Node is being renamed. */ -#define IN_SHLOCK 0x0020 /* File has shared lock. */ -#define IN_EXLOCK 0x0040 /* File has exclusive lock. */ -#define IN_BYCNID 0x0100 /* Dir was found by CNID */ -#define IN_ALLOCATING 0x1000 /* vnode is in transit, wait or ignore */ -#define IN_WANT 0x2000 /* Its being waited for */ - -/* These flags are kept in meta flags. */ -#define IN_LONGNAME 0x0400 /* File has long name buffer. */ -#define IN_UNSETACCESS 0x0200 /* File has unset access. */ -#define IN_DELETED 0x0800 /* File has been marked to be deleted */ -#define IN_NOEXISTS 0x1000 /* File has been deleted, catalog entry is gone */ -#if HFS_HARDLINKS -#define IN_DATANODE 0x2000 /* File is a data node (hard-linked) */ -#endif -/* File permissions stored in mode */ -#define IEXEC 0000100 /* Executable. */ -#define IWRITE 0000200 /* Writeable. */ -#define IREAD 0000400 /* Readable. */ -#define ISVTX 0001000 /* Sticky bit. */ -#define ISGID 0002000 /* Set-gid. */ -#define ISUID 0004000 /* Set-uid. */ +typedef struct filefork FCB; -/* File types */ -#define IFMT 0170000 /* Mask of file type. */ -#define IFIFO 0010000 /* Named pipe (fifo). */ -#define IFCHR 0020000 /* Character device. */ -#define IFDIR 0040000 /* Directory file. */ -#define IFBLK 0060000 /* Block device. */ -#define IFREG 0100000 /* Regular file. */ -#define IFLNK 0120000 /* Symbolic link. */ -#define IFSOCK 0140000 /* UNIX domain socket. */ -#define IFWHT 0160000 /* Whiteout. */ -/* Value to make sure vnode is real and defined */ -#define HFS_VNODE_MAGIC 0x4846532b /* 'HFS+' */ +#define MAKE_INODE_NAME(name,linkno) \ + (void) sprintf((name), "%s%d", HFS_INODE_PREFIX, (linkno)) -/* To test wether the forkType is a sibling type */ -#define SIBLING_FORKTYPE(FORK) ((FORK==kDataFork) || (FORK==kRsrcFork)) +#define HFS_INODE_PREFIX_LEN 5 -/* - * Write check macro - */ -#define WRITE_CK(VNODE, FUNC_NAME) { \ - if ((VNODE)->v_mount->mnt_flag & MNT_RDONLY) { \ - DBG_ERR(("%s: ATTEMPT TO WRITE A READONLY VOLUME\n", \ - FUNC_NAME)); \ - return(EROFS); \ - } \ -} +#define HFS_AVERAGE_NAME_SIZE 22 +#define AVERAGE_HFSDIRENTRY_SIZE (8+HFS_AVERAGE_NAME_SIZE+4) -/* - * hfsmount locking and unlocking. - * - * mvl_lock_flags - */ -#define MVL_LOCKED 0x00000001 /* debug only */ - -#if HFS_DIAGNOSTIC -#define MVL_LOCK(mvip) { \ - (simple_lock(&(mvip)->mvl_lock)); \ - (mvip)->mvl_flags |= MVL_LOCKED; \ -} - -#define MVL_UNLOCK(mvip) { \ - if(((mvip)->mvl_flags & MVL_LOCKED) == 0) { \ - panic("MVL_UNLOCK - hfsnode not locked"); \ - } \ - (simple_unlock(&(mvip)->mvl_lock)); \ - (mvip)->mvl_flags &= ~MVL_LOCKED; \ -} -#else /* HFS_DIAGNOSTIC */ -#define MVL_LOCK(mvip) (simple_lock(&(mvip)->mvl_lock)) -#define MVL_UNLOCK(mvip) (simple_unlock(&(mvip)->mvl_lock)) -#endif /* HFS_DIAGNOSTIC */ - - -/* structure to hold a "." or ".." directory entry (12 bytes) */ -typedef struct hfsdotentry { - u_int32_t d_fileno; /* unique file number */ - u_int16_t d_reclen; /* length of this structure */ - u_int8_t d_type; /* dirent file type */ - u_int8_t d_namelen; /* len of filename */ - char d_name[4]; /* "." or ".." */ -} hfsdotentry; - -#define AVERAGE_HFSDIRENTRY_SIZE (8+22+4) -#define MAX_HFSDIRENTRY_SIZE sizeof(struct dirent) - -#define DIRENTRY_SIZE(namlen) \ - ((sizeof(struct dirent) - (NAME_MAX+1)) + (((namlen)+1 + 3) &~ 3)) +#define STD_DIRENT_LEN(namlen) \ + ((sizeof(struct dirent) - (NAME_MAX+1)) + (((namlen)+1 + 3) &~ 3)) -enum { - kCatNameIsAllocated = 0x1, /* The name is malloc'd and is in cnm_nameptr */ - kCatNameIsMangled = 0x2, /* The name is mangled */ - kCatNameUsesReserved = 0x4, /* It overides the space reserved by cnm_namespace into cndu_extra, careful */ - kCatNameIsConsumed = 0x8, /* The name has been already processed, no freeing or work is needed */ - kCatNameNoCopyName = 0x10, /* Dont copy the name */ - kCatNameMangleName = 0x20 /* Mangle name if greater than passed in length */ -}; +#define EXT_DIRENT_LEN(namlen) \ + ((sizeof(struct direntry) + (namlen) - (MAXPATHLEN-1) + 3) & ~3) -/* - * CatalogNameSpecifier is a structure that contains a name and possibly its form - * - * Special care needs to be taken with the flags, they can cause side effects. - */ -struct CatalogNameSpecifier { - u_int16_t cnm_flags; /* See above */ - u_int16_t cnm_length; /* Length of the name */ - u_int32_t cnm_parID; /* ID of the parent directory */ - unsigned char *cnm_nameptr; /* If allocated, a ptr to the space, else NULL */ - unsigned char cnm_namespace[MAXHFSVNODELEN+1]; /* Space where the name can be kept */ -}; -/* - * NOTE IT IS REQUIRED that KMaxMangleNameLen >= MAXHFSVNODELEN - * Also the total size of CatalogNameSpecifier should be less then cndu_extra, which - * currently it easily is, this is not a requirement, just a nicety. - * - * The rules to how to store a name: - * If its less than MAXHFSVNODELEN always store it in cnm_namespace. - * If we can get by doing mangling then cnm_namespace - * else allocate the space needed to cnm_nameptr. - * This reflects what is done at vnode creation. - */ - - -enum { - kCatalogFolderNode = 1, - kCatalogFileNode = 2 -}; - -/* - * CatalogNodeData has same layout as the on-disk HFS Plus file/dir records. - * Classic hfs file/dir records are converted to match this layout. - * - * The cnd_extra padding allows big hfs plus thread records (520 bytes max) - * to be read onto this stucture during a cnid lookup. - * - * IMPORTANT!!!!!! - * After declaring this structure, you must use the macro INIT_CATALOGDATA to prepare it - * and CLEAN_CATALOGDATA after using it, to clean any allocated structures. - * - * If you do not need to have the name, then pass in kCatNameNoCopyName for flags - */ -struct CatalogNodeData { - int16_t cnd_type; - u_int16_t cnd_flags; - u_int32_t cnd_valence; /* dirs only */ - u_int32_t cnd_nodeID; - u_int32_t cnd_createDate; - u_int32_t cnd_contentModDate; - u_int32_t cnd_attributeModDate; - u_int32_t cnd_accessDate; - u_int32_t cnd_backupDate; - u_int32_t cnd_ownerID; - u_int32_t cnd_groupID; - u_int8_t cnd_adminFlags; /* super-user changeable flags */ - u_int8_t cnd_ownerFlags; /* owner changeable flags */ - u_int16_t cnd_mode; /* file type + permission bits */ - union { - u_int32_t cndu_iNodeNum; /* indirect links only */ - u_int32_t cndu_linkCount; /* indirect nodes only */ - u_int32_t cndu_rawDevice; /* special files (FBLK and FCHR) only */ - } cnd_un; - u_int8_t cnd_finderInfo[32]; - u_int32_t cnd_textEncoding; - u_int32_t cnd_reserved; - HFSPlusForkData cnd_datafork; - HFSPlusForkData cnd_rsrcfork; - u_int32_t cnd_iNodeNumCopy; - u_int32_t cnd_linkCNID; /* for hard links only */ - u_int8_t cnd_extra[264]; /* make struct at least 520 bytes long */ - struct CatalogNameSpecifier cnd_namespecifier; -}; -typedef struct CatalogNodeData CatalogNodeData; - -#define cnd_iNodeNum cnd_un.cndu_iNodeNum -#define cnd_linkCount cnd_un.cndu_linkCount -#define cnd_rawDevice cnd_un.cndu_rawDevice - -#define cnm_flags cnd_namespecifier.cnm_flags -#define cnm_length cnd_namespecifier.cnm_length -#define cnm_parID cnd_namespecifier.cnm_parID -#define cnm_nameptr cnd_namespecifier.cnm_nameptr -#define cnm_namespace cnd_namespecifier.cnm_namespace - -#define INIT_CATALOGDATA(C,F) do { bzero(&((C)->cnd_namespecifier), sizeof(struct CatalogNameSpecifier)); (C)->cnm_flags=(F);}while(0); -#if HFS_DIAGNOSTIC -extern void debug_check_catalogdata(struct CatalogNodeData *cat); -#define CLEAN_CATALOGDATA(C) do { debug_check_catalogdata(C); \ - if ((C)->cnm_flags & kCatNameIsAllocated) {\ - FREE((C)->cnm_nameptr, M_TEMP);\ - (C)->cnm_flags &= ~kCatNameIsAllocated;\ - (C)->cnm_nameptr = NULL;\ - }}while(0); -#else -#define CLEAN_CATALOGDATA(C) do { if ((C)->cnm_flags & kCatNameIsAllocated) {\ - FREE((C)->cnm_nameptr, M_TEMP);\ - (C)->cnm_flags &= ~kCatNameIsAllocated;\ - (C)->cnm_nameptr = NULL;\ - }}while(0); -#endif - -/* structure to hold a catalog record information */ -/* Of everything you wanted to know about a catalog entry, file and directory */ -typedef struct hfsCatalogInfo { - CatalogNodeData nodeData; - u_int32_t hint; -} hfsCatalogInfo; enum { kHFSPlusMaxFileNameBytes = kHFSPlusMaxFileNameChars * 3 }; -enum { kdirentMaxNameBytes = NAME_MAX }; - -// structure definition of the searchfs system trap for the search criterea. -struct directoryInfoSpec -{ - u_long numFiles; -}; - -struct fileInfoSpec -{ - off_t dataLogicalLength; - off_t dataPhysicalLength; - off_t resourceLogicalLength; - off_t resourcePhysicalLength; -}; - -struct searchinfospec -{ - u_char name[kHFSPlusMaxFileNameBytes]; - u_long nameLength; - char attributes; // see IM:Files 2-100 - u_long nodeID; - u_long parentDirID; - struct timespec creationDate; - struct timespec modificationDate; - struct timespec changeDate; - struct timespec lastBackupDate; - u_long finderInfo[8]; - uid_t uid; - gid_t gid; - mode_t mask; - struct fileInfoSpec f; - struct directoryInfoSpec d; -}; -typedef struct searchinfospec searchinfospec_t; - -#define HFSTIMES(hp, t1, t2) { \ - if ((hp)->h_nodeflags & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) { \ - (hp)->h_nodeflags |= IN_MODIFIED; \ - if ((hp)->h_nodeflags & IN_ACCESS) { \ - (hp)->h_meta->h_atime = (t1)->tv_sec; \ - }; \ - if ((hp)->h_nodeflags & IN_UPDATE) { \ - (hp)->h_meta->h_mtime = (t2)->tv_sec; \ - } \ - if ((hp)->h_nodeflags & IN_CHANGE) { \ - (hp)->h_meta->h_ctime = time.tv_sec; \ - }; \ - (hp)->h_nodeflags &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE); \ - } \ -} - -/* This overlays the fid structure (see mount.h). */ -struct hfsfid { - u_int16_t hfsfid_len; /* Length of structure. */ - u_int16_t hfsfid_pad; /* Force 32-bit alignment. */ - /* The following data is filesystem-dependent, up to MAXFIDSZ (16) bytes: */ - u_int32_t hfsfid_cnid; /* Catalog node ID. */ - u_int32_t hfsfid_gen; /* Generation number (create date). */ -}; /* macro to determine if hfs or hfsplus */ #define ISHFSPLUS(VCB) ((VCB)->vcbSigWord == kHFSPlusSigWord) #define ISHFS(VCB) ((VCB)->vcbSigWord == kHFSSigWord) -/* - * Various ways to acquire a VNode pointer: - */ -#define HTOV(HP) ((HP)->h_vp) - -/* - * Various ways to acquire an HFS Node pointer: - */ -#define VTOH(VP) ((struct hfsnode *)((VP)->v_data)) -#define FCBTOH(FCB) ((struct hfsnode *)FCB) - -/* - * Various ways to acquire an FCB pointer: - */ -#define HTOFCB(HP) (HP) -#define VTOFCB(VP) ((FCB *)((VP)->v_data)) /* Should be the same as VTOH */ - /* * Various ways to acquire a VFS mount point pointer: */ -#define VTOVFS(VP) ((VP)->v_mount) -#define HTOVFS(HP) ((HP)->h_vp->v_mount) -#define FCBTOVFS(FCB) ((FCB)->h_vp->v_mount) +#define VTOVFS(VP) vnode_mount((VP)) #define HFSTOVFS(HFSMP) ((HFSMP)->hfs_mp) -#define VCBTOVFS(VCB) (((struct vfsVCB *)(VCB))->vcb_hfsmp->hfs_mp) +#define VCBTOVFS(VCB) HFSTOVFS(VCB) /* * Various ways to acquire an HFS mount point pointer: */ -#define VTOHFS(VP) ((struct hfsmount *)((VP)->v_mount->mnt_data)) -#define HTOHFS(HP) ((struct hfsmount *)(HP)->h_vp->v_mount->mnt_data) -#define FCBTOHFS(FCB) ((struct hfsmount *)(FCB)->h_vp->v_mount->mnt_data) -#define VFSTOHFS(MP) ((struct hfsmount *)(MP)->mnt_data) -#define VCBTOHFS(VCB) (((struct vfsVCB *)(VCB))->vcb_hfsmp) +#define VTOHFS(VP) ((struct hfsmount *)vfs_fsprivate(vnode_mount((VP)))) +#define VFSTOHFS(MP) ((struct hfsmount *)vfs_fsprivate((MP))) +#define VCBTOHFS(VCB) (VCB) +#define FCBTOHFS(FCB) ((struct hfsmount *)vfs_fsprivate(vnode_mount((FCB)->ff_cp->c_vp))) /* - * Various ways to acquire a VCB pointer: + * Various ways to acquire a VCB (legacy) pointer: */ -#define VTOVCB(VP) (&(((struct hfsmount *)((VP)->v_mount->mnt_data))->hfs_vcb.vcb_vcb)) -#define HTOVCB(HP) (&(((struct hfsmount *)((HP)->h_vp->v_mount->mnt_data))->hfs_vcb.vcb_vcb)) -#define FCBTOVCB(FCB) (&(((struct hfsmount *)((FCB)->h_vp->v_mount->mnt_data))->hfs_vcb.vcb_vcb)) -#define VFSTOVCB(MP) (&(((struct hfsmount *)(MP)->mnt_data)->hfs_vcb.vcb_vcb)) -#define HFSTOVCB(HFSMP) (&(HFSMP)->hfs_vcb.vcb_vcb) +#define VTOVCB(VP) VTOHFS(VP) +#define VFSTOVCB(MP) VFSTOHFS(MP) +#define HFSTOVCB(HFSMP) (HFSMP) +#define FCBTOVCB(FCB) FCBTOHFS(FCB) + + +#define HFS_KNOTE(vp, hint) KNOTE(&VTOC(vp)->c_knotes, (hint)) #define E_NONE 0 #define kHFSBlockSize 512 -#define IOBLKNOFORBLK(STARTINGBLOCK, BLOCKSIZEINBYTES) ((daddr_t)((STARTINGBLOCK) / ((BLOCKSIZEINBYTES) >> 9))) -#define IOBLKCNTFORBLK(STARTINGBLOCK, BYTESTOTRANSFER, BLOCKSIZEINBYTES) \ - ((int)(IOBLKNOFORBYTE(((STARTINGBLOCK) * 512) + (BYTESTOTRANSFER) - 1, (BLOCKSIZEINBYTES)) - \ - IOBLKNOFORBLK((STARTINGBLOCK), (BLOCKSIZEINBYTES)) + 1)) -#define IOBYTECCNTFORBLK(STARTINGBLOCK, BYTESTOTRANSFER, BLOCKSIZEINBYTES) \ - (IOBLKCNTFORBLK((STARTINGBLOCK),(BYTESTOTRANSFER),(BLOCKSIZEINBYTES)) * (BLOCKSIZEINBYTES)) -#define IOBYTEOFFSETFORBLK(STARTINGBLOCK, BLOCKSIZEINBYTES) \ - (((STARTINGBLOCK) * 512) - \ - (IOBLKNOFORBLK((STARTINGBLOCK), (BLOCKSIZEINBYTES)) * (BLOCKSIZEINBYTES))) +/* + * Macros for getting the MDB/VH sector and offset + */ +#define HFS_PRI_SECTOR(blksize) (1024 / (blksize)) +#define HFS_PRI_OFFSET(blksize) ((blksize) > 1024 ? 1024 : 0) -#define IOBLKNOFORBYTE(STARTINGBYTE, BLOCKSIZEINBYTES) ((daddr_t)((STARTINGBYTE) / (BLOCKSIZEINBYTES))) -#define IOBLKCNTFORBYTE(STARTINGBYTE, BYTESTOTRANSFER, BLOCKSIZEINBYTES) \ -((int)(IOBLKNOFORBYTE((STARTINGBYTE) + (BYTESTOTRANSFER) - 1, (BLOCKSIZEINBYTES)) - \ - IOBLKNOFORBYTE((STARTINGBYTE), (BLOCKSIZEINBYTES)) + 1)) -#define IOBYTECNTFORBYTE(STARTINGBYTE, BYTESTOTRANSFER, BLOCKSIZEINBYTES) \ - (IOBLKCNTFORBYTE((STARTINGBYTE),(BYTESTOTRANSFER),(BLOCKSIZEINBYTES)) * (BLOCKSIZEINBYTES)) -#define IOBYTEOFFSETFORBYTE(STARTINGBYTE, BLOCKSIZEINBYTES) ((STARTINGBYTE) - (IOBLKNOFORBYTE((STARTINGBYTE), (BLOCKSIZEINBYTES)) * (BLOCKSIZEINBYTES))) +#define HFS_ALT_SECTOR(blksize, blkcnt) (((blkcnt) - 1) - (512 / (blksize))) +#define HFS_ALT_OFFSET(blksize) ((blksize) > 1024 ? (blksize) - 1024 : 0) -#define HFS_PRI_SECTOR(blksize) (1024 / (blksize)) -#define HFS_PRI_OFFSET(blksize) ((blksize) > 1024 ? 1024 : 0) +/* + * HFS specific fcntl()'s + */ +#define HFS_BULKACCESS (FCNTL_FS_SPECIFIC_BASE + 0x00001) +#define HFS_GET_MOUNT_TIME (FCNTL_FS_SPECIFIC_BASE + 0x00002) +#define HFS_GET_LAST_MTIME (FCNTL_FS_SPECIFIC_BASE + 0x00003) +#define HFS_GET_BOOT_INFO (FCNTL_FS_SPECIFIC_BASE + 0x00004) +#define HFS_SET_BOOT_INFO (FCNTL_FS_SPECIFIC_BASE + 0x00005) -#define HFS_ALT_SECTOR(blksize, blkcnt) (((blkcnt) - 1) - (512 / (blksize))) -#define HFS_ALT_OFFSET(blksize) ((blksize) > 1024 ? (blksize) - 1024 : 0) -#define MAKE_VREFNUM(x) ((int32_t)((x) & 0xffff)) /* * This is the straight GMT conversion constant: * 00:00:00 January 1, 1970 - 00:00:00 January 1, 1904 @@ -690,83 +386,41 @@ struct hfsfid { */ #define MAC_GMT_FACTOR 2082844800UL -#define HFS_ATTR_CMN_LOOKUPMASK (ATTR_CMN_SCRIPT | ATTR_CMN_FNDRINFO | ATTR_CMN_NAMEDATTRCOUNT | ATTR_CMN_NAMEDATTRLIST) -#define HFS_ATTR_DIR_LOOKUPMASK (ATTR_DIR_LINKCOUNT | ATTR_DIR_ENTRYCOUNT) -#define HFS_ATTR_FILE_LOOKUPMASK (ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE | ATTR_FILE_ALLOCSIZE | \ - ATTR_FILE_DATALENGTH | ATTR_FILE_DATAALLOCSIZE | ATTR_FILE_DATAEXTENTS | \ - ATTR_FILE_RSRCLENGTH | ATTR_FILE_RSRCALLOCSIZE | ATTR_FILE_RSRCEXTENTS) -u_int32_t to_bsd_time(u_int32_t hfs_time); -u_int32_t to_hfs_time(u_int32_t bsd_time); +time_t to_bsd_time(u_int32_t hfs_time); +u_int32_t to_hfs_time(time_t bsd_time); + +int hfs_flushvolumeheader(struct hfsmount *hfsmp, int waitfor, int altflush); +#define HFS_ALTFLUSH 1 -int hfs_flushfiles(struct mount *mp, int flags); -short hfs_flushMDB(struct hfsmount *hfsmp, int waitfor); -short hfs_flushvolumeheader(struct hfsmount *hfsmp, int waitfor); +extern int hfsUnmount(struct hfsmount *hfsmp, struct proc *p); -short hfs_getcatalog (ExtendedVCB *vcb, u_int32_t dirID, char *name, short len, hfsCatalogInfo *catInfo); -short hfsMoveRename (ExtendedVCB *vcb, u_int32_t oldDirID, char *oldName, u_int32_t newDirID, char *newName, u_int32_t *hint); -short hfsCreate (ExtendedVCB *vcb, u_int32_t dirID, char *name, int mode, u_int32_t tehint); -short hfsCreateFileID (ExtendedVCB *vcb, u_int32_t parentDirID, StringPtr name, u_int32_t catalogHint, u_int32_t *fileIDPtr); -short hfs_vcreate (ExtendedVCB *vcb, hfsCatalogInfo *catInfo, u_int8_t forkType, struct vnode **vpp); -short hfsDelete (ExtendedVCB *vcb, u_int32_t parentDirID, StringPtr name, short isfile, u_int32_t catalogHint); -short hfsUnmount(struct hfsmount *hfsmp, struct proc *p); +extern int hfs_getnewvnode(struct hfsmount *hfsmp, struct vnode *dvp, struct componentname *cnp, + struct cat_desc *descp, int wantrsrc, struct cat_attr *attrp, + struct cat_fork *forkp, struct vnode **vpp); -extern int hfs_metafilelocking(struct hfsmount *hfsmp, u_long fileID, u_int flags, struct proc *p); -extern int hasOverflowExtents(struct hfsnode *hp); +extern u_int32_t hfs_freeblks(struct hfsmount * hfsmp, int wantreserve); + +extern void hfs_remove_orphans(struct hfsmount *); -void hfs_set_metaname(char *, struct hfsfilemeta *, struct hfsmount *); short MacToVFSError(OSErr err); -int hfs_owner_rights(struct vnode *vp, struct ucred *cred, struct proc *p, Boolean invokesuperuserstatus); -void CopyVNodeToCatalogNode (struct vnode *vp, struct CatalogNodeData *nodeData); -void CopyCatalogToHFSNode(struct hfsCatalogInfo *catalogInfo, struct hfsnode *hp); +extern int hfs_owner_rights(struct hfsmount *hfsmp, uid_t cnode_uid, struct ucred *cred, + struct proc *p, int invokesuperuserstatus); + u_long FindMetaDataDirectory(ExtendedVCB *vcb); +#define kMaxSecsForFsync 5 +#define HFS_SYNCTRANS 1 + +extern int hfs_btsync(struct vnode *vp, int sync_transaction); +// used as a callback by the journaling code +extern void hfs_sync_metadata(void *arg); short make_dir_entry(FCB **fileptr, char *name, u_int32_t fileID); -int AttributeBlockSize(struct attrlist *attrlist); -void PackCommonAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void PackVolAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void PackFileDirAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void PackForkAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void PackAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void PackCatalogInfoAttributeBlock (struct attrlist *alist, - struct vnode * root_vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void UnpackCommonAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); -void UnpackAttributeBlock(struct attrlist *alist, - struct vnode *vp, - struct hfsCatalogInfo *catInfo, - void **attrbufptrptr, - void **varbufptrptr); + unsigned long BestBlockSizeFit(unsigned long allocationBlockSize, unsigned long blockSizeLimit, unsigned long baseMultiple); @@ -774,8 +428,13 @@ unsigned long BestBlockSizeFit(unsigned long allocationBlockSize, OSErr hfs_MountHFSVolume(struct hfsmount *hfsmp, HFSMasterDirectoryBlock *mdb, struct proc *p); OSErr hfs_MountHFSPlusVolume(struct hfsmount *hfsmp, HFSPlusVolumeHeader *vhp, - off_t embeddedOffset, off_t disksize, struct proc *p); -OSStatus GetInitializedVNode(struct hfsmount *hfsmp, struct vnode **tmpvnode); + off_t embeddedOffset, u_int64_t disksize, struct proc *p, void *args, kauth_cred_t cred); + +extern int hfs_early_journal_init(struct hfsmount *hfsmp, HFSPlusVolumeHeader *vhp, + void *_args, off_t embeddedOffset, daddr64_t mdb_offset, + HFSMasterDirectoryBlock *mdbp, struct ucred *cred); +extern u_long GetFileInfo(ExtendedVCB *vcb, u_int32_t dirid, const char *name, + struct cat_attr *fattr, struct cat_fork *forkinfo); int hfs_getconverter(u_int32_t encoding, hfs_to_unicode_func_t *get_unicode, unicode_to_hfs_func_t *get_hfsname); @@ -795,4 +454,63 @@ int utf8_to_mac_roman(ByteCount srcLen, const unsigned char* srcStr, Str31 dstSt u_int32_t hfs_pickencoding(const u_int16_t *src, int len); +enum volop {VOL_UPDATE, VOL_MKDIR, VOL_RMDIR, VOL_MKFILE, VOL_RMFILE}; + +extern int hfs_volupdate(struct hfsmount *hfsmp, enum volop op, int inroot); + +extern void hfs_setencodingbits(struct hfsmount *hfsmp, u_int32_t encoding); + + +extern void replace_desc(struct cnode *cp, struct cat_desc *cdp); + +extern int hfs_namecmp(const char *, size_t, const char *, size_t); + +extern int hfs_virtualmetafile(struct cnode *); + +void hfs_generate_volume_notifications(struct hfsmount *hfsmp); + +__private_extern__ u_int32_t hfs_getencodingbias(void); +__private_extern__ void hfs_setencodingbias(u_int32_t bias); + +extern int hfs_vgetrsrc(struct hfsmount *hfsmp, struct vnode *vp, + struct vnode **rvpp, struct proc *p); + +extern int hfs_update(struct vnode *, int); + +extern int hfs_truncate(struct vnode *, off_t, int, int, vfs_context_t); + +extern int hfs_fsync(struct vnode *, int, int, struct proc *); + +extern int hfs_access(struct vnode *, mode_t, struct ucred *, struct proc *); + +extern int hfs_vget(struct hfsmount *, cnid_t, struct vnode **, int); + +extern int hfs_bmap(struct vnode *, daddr_t, struct vnode **, daddr64_t *, int *); + +extern int hfs_removeallattr(struct hfsmount *hfsmp, u_int32_t fileid); + +__private_extern__ int hfs_start_transaction(struct hfsmount *hfsmp); +__private_extern__ int hfs_end_transaction(struct hfsmount *hfsmp); + +extern int hfs_setextendedsecurity(struct hfsmount *hfsmp, int state); +extern void hfs_checkextendedsecurity(struct hfsmount *hfsmp); + +extern int hfs_extendfs(struct hfsmount *, u_int64_t, vfs_context_t); +extern int hfs_truncatefs(struct hfsmount *, u_int64_t, vfs_context_t); + +extern int hfs_isallocated(struct hfsmount *, u_long, u_long); + + +/* HFS System file locking */ +#define SFL_CATALOG 0x0001 +#define SFL_EXTENTS 0x0002 +#define SFL_BITMAP 0x0004 +#define SFL_ATTRIBUTE 0x0008 +#define SFL_VALIDMASK (SFL_CATALOG | SFL_EXTENTS | SFL_BITMAP | SFL_ATTRIBUTE) + +extern int hfs_systemfile_lock(struct hfsmount *, int, enum hfslocktype); +extern void hfs_systemfile_unlock(struct hfsmount *, int); + +#endif /* __APPLE_API_PRIVATE */ +#endif /* KERNEL */ #endif /* __HFS__ */