BioWriteCopyFreeHook

Intercepts copy-free writes.

int BioWriteCopyFreeHook(uint64_t inode, uint64_t offset, uint64_t count, CacheSpaceDesc *space)

**Table 1** Parameters
Parameter	Data Type	Input/Output	Description
inode	uint64_t	Input	File inode.
offset	uint64_t	Input	Offset of data to be written.
count	uint64_t	Input	Length of data to be written.
space	CacheSpaceDesc*	Input	Cache space returned after BioAllocCacheSpace is invoked.

**Table 2** Return values
Return Value	Description
0	The operation is successful.
Other	The operation failed.

Parent topic: API Reference