BioReadHook

Intercepts data reads.

int BioReadHook(uint64_t inode, char *buff, uint64_t count, uint64_t offset, int *readLen)

**Table 1** Parameters
Parameter	Data Type	Input/Output	Description
inode	uint64_t	Input	File inode.
buff	char*	Input	Data buffer.
count	uint64_t	Input	Length of data to be read.
offset	uint64_t	Input	Offset of data to be read.
readLen	int*	Output	Real length of data to be read.

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

Parent topic: API Reference