ata_qc_complete_multiple9
Complete multiple qcs successfully
Usage
int ata_qc_complete_multiple(struct ata_port * ap, u32 qc_active);
Arguments
ap
port in question
qc_active
new qc_active mask
Overview
Complete in-flight commands. This functions is meant to be called from low-level driver's interrupt routine to complete requests normally. ap->qc_active and qc_active is compared and commands are completed accordingly.
Always use this function when completing multiple NCQ commands from IRQ handlers instead of calling ata_qc_complete multiple times to keep IRQ expect status properly in sync.
LOCKING: spin_lock_irqsave(host lock)
Return
Number of completed commands on success, -errno otherwise.
Releases
6 releases since Debian 4.0 (Etch); the text changed 5 times.