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Virtuozzo Virtualization SDK C API Reference
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PRL_DISK Macros
Macros  Macros
Macros
Name 
Description 
Incoming requests to read/write async must be gathered and aligned 
Allow inplace data modification to reduce memory copying and allocation 
Disk cache default. 
Uncached access to disk image. 
Cached access to disk image. 
Cached write/uncached read. 
Like PRL_DISK_CACHE_UNCACHED_READ, but cache is enabled for
  • small and random/reordered requests. 
Default (writelock always on at write on). 
Fake open, just for parameters get (processed by real disks that need administrative privileges to work with). 
Default access mode that compiled in Virtuozzo itself. 
Type of the file access to use (15 file accessors is enough). 
DEPRECATED! Access mode with requests merging. 
DEPRECATED! Access mode with file caching turned off. 
DEPRECATED! Normal access mode (default os) 
DEPRECATED! Access mode to files on PCS storage 
Ignore storages read only flag (useful at disk creation) 
Last (invalid). 
Force open of disk for reading without error checking 
Do not check host free space 
Do not use handle pool for disk image handles 
Nothing. 
 
 
States progress definition. 
Read 
ReadLock 
Use raw disk for BootCamp partition (/dev/rdisk instead of /dev/disk) 
Write 
This parameter is used when user need to change XML data but not access to the drive itself. 
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