Migrating from FUSE to Callback File System

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SOLUTION GUIDE

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Sequence of calls:

FUSE:

Callback File System:

Call SetRegistrationKey() method to set the license key
(optionally, if not done yet) Install the driver using Install() method
Create a virtual disk device using CreateStorage() method
Add one or more mounting points (these can be drive letters or UNC paths) using AddMountingPoint() method. The same disk can be mapped to one or more drive letters and/or UNC paths (for example, for different user sessions)
Call MountMedia() method to insert the disk
Use the disk
Call UnmountMedia() to remove the disk
Call DeleteStorage() to delete the disk device from the system

API correspondence:

FUSE	Callback File System
fuse_operations::mknod fuse_operations::create	OnCreateFile callback / event
fuse_operations::open	OnOpenFile callback / event
fuse_operations::release fuse_operations::CloseFile	OnCloseFile callback / event
fuse_operations::read	OnReadFile callback / event
fuse_operations::write	OnWriteFile callback / event
fuse_operations::flush	OnFlushFile callback / event
fuse_operations::mkdir	OnCreateFile callback / event
fuse_operations::opendir	OnOpenFile callback / event
fuse_operations::releasedir	OnCloseFile callback / event
fuse_operations::readdir	OnEnumerateDirectory callback / event
fuse_operations::utimens	OnSetFileAttributes callback / event
fuse_operations::access	OnCanFileBeDeleted callback / event
fuse_operations::unlink fuse_operations::rmdir	OnDeleteFile callback / event
fuse_operations::rename	OnRenameOrMove callback / event
fuse_operations::truncate fuse_operations::ftruncate	OnSetEndOfFile callback / event
fuse_operations::lock	Handled internally by Callback File System
fuse_operations::chmod fuse_operations::chown	OnSetFileSecurity callback / event
fuse_operations::statfs	OnGetVolumeSize, OnGetVolumeLabel, OnGetVolumeId callbacks / events
fuse_operations::getattr	OnGetFileAttributes callback / event
other callback functions	No direct equivalent or not applicable due to file system architecture differences

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Latest version

3.2.104
Released 6 February 2012

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