Build ata taskfile for given read/write request
int ata_build_rw_tf(struct ata_taskfile * tf, struct ata_device * dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag);
tf
Target ATA taskfile
dev
ATA device tf belongs to
block
Block address
n_block
Number of blocks
tf_flags
RW/FUA etc...
tag
tag
None.
Build ATA taskfile tf for read/write request described by block, n_block, tf_flags and tag on dev.
0 on success, -ERANGE if the request is too large for dev, -EINVAL if the request is invalid.
Jeff Garzik
Author.