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Commit	Line	Data
	1	/* Copyright © 2017-2018 Apple Inc. All rights reserved.
	2	*
	3	* lf_hfs_vfsutils.h
	4	* livefiles_hfs
	5	*
	6	* Created by Yakov Ben Zaken on 20/03/2018.
	7	*/
	8
	9	#ifndef lf_hfs_vfsutils_h
	10	#define lf_hfs_vfsutils_h
	11
	12	#include "lf_hfs.h"
	13
	14	u_int32_t BestBlockSizeFit(u_int32_t allocationBlockSize, u_int32_t blockSizeLimit, u_int32_t baseMultiple);
	15	int hfs_MountHFSPlusVolume(struct hfsmount hfsmp, HFSPlusVolumeHeader vhp, off_t embeddedOffset, u_int64_t disksize, bool bFailForDirty);
	16	int hfs_CollectBtreeStats(struct hfsmount hfsmp, HFSPlusVolumeHeader vhp, off_t embeddedOffset, void *args);
	17	int hfs_ValidateHFSPlusVolumeHeader(struct hfsmount hfsmp, HFSPlusVolumeHeader vhp);
	18	int hfs_start_transaction(struct hfsmount *hfsmp);
	19	int hfs_end_transaction(struct hfsmount *hfsmp);
	20	void* hfs_malloc( size_t size );
	21	void hfs_free( void* ptr );
	22	void* hfs_mallocz( size_t size);
	23	int hfsUnmount( register struct hfsmount *hfsmp);
	24	void hfs_lock_mount(struct hfsmount *hfsmp);
	25	void hfs_unlock_mount(struct hfsmount *hfsmp);
	26	int hfs_systemfile_lock(struct hfsmount *hfsmp, int flags, enum hfs_locktype locktype);
	27	void hfs_systemfile_unlock(struct hfsmount *hfsmp, int flags);
	28	u_int32_t hfs_freeblks(struct hfsmount * hfsmp, int wantreserve);
	29	short MacToVFSError(OSErr err);
	30
	31	void hfs_reldirhint(struct cnode dcp, directoryhint_t relhint);
	32	void hfs_insertdirhint(struct cnode dcp, directoryhint_t hint);
	33	void hfs_reldirhints(struct cnode *dcp, int stale_hints_only);
	34
	35	directoryhint_t* hfs_getdirhint(struct cnode *dcp, int index, int detach);
	36
	37	int hfs_systemfile_lock(struct hfsmount *hfsmp, int flags, enum hfs_locktype locktype);
	38	void hfs_systemfile_unlock(struct hfsmount *hfsmp, int flags);
	39	bool overflow_extents(struct filefork *fp);
	40	int hfs_namecmp(const u_int8_t str1, size_t len1, const u_int8_t str2, size_t len2);
	41	int hfs_strstr(const u_int8_t str1, size_t len1, const u_int8_t str2, size_t len2);
	42	int hfs_apendixcmp(const u_int8_t str1, size_t len1, const u_int8_t str2, size_t len2);
	43	void hfs_remove_orphans(struct hfsmount * hfsmp);
	44	int hfs_erase_unused_nodes(struct hfsmount *hfsmp);
	45
	46	int hfs_lock_global (struct hfsmount *hfsmp, enum hfs_locktype locktype);
	47	void hfs_unlock_global (struct hfsmount *hfsmp);
	48
	49
	50	// Journaing
	51	int hfs_early_journal_init(struct hfsmount hfsmp, HFSPlusVolumeHeader vhp,
	52	void *_args, off_t embeddedOffset, daddr64_t mdb_offset,
	53	HFSMasterDirectoryBlock *mdbp);
	54	errno_t hfs_flush(struct hfsmount *hfsmp, hfs_flush_mode_t mode);
	55
	56	#endif /* lf_hfs_vfsutils_h */