Query: blk_lld_busy
OS: suse
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
BLK_LLD_BUSY(9) Block Devices BLK_LLD_BUSY(9)NAMEblk_lld_busy - Check if underlying low-level drivers of a device are busySYNOPSISint blk_lld_busy(struct request_queue * q);ARGUMENTSq the queue of the device being checkedDESCRIPTIONCheck if underlying low-level drivers of a device are busy. If the drivers want to export their busy state, they must set own exporting function using blk_queue_lld_busy first. Basically, this function is used only by request stacking drivers to stop dispatching requests to underlying devices when underlying devices are busy. This behavior helps more I/O merging on the queue of the request stacking driver and prevents I/O throughput regression on burst I/O load.RETURN0 - Not busy (The request stacking driver should dispatch request) 1 - Busy (The request stacking driver should stop dispatching request)COPYRIGHTKernel Hackers Manual 2.6. July 2010 BLK_LLD_BUSY(9)
Related Man Pages |
---|
drv_usecwait(9f) - opensolaris |
devctl(3) - freebsd |
drv_usecwait(9f) - centos |
drv_usecwait(9f) - suse |
drv_usecwait(9f) - hpux |
Similar Topics in the Unix Linux Community |
---|
How to restrict user to a specific directory in solaris 10 |
Change directory error |
Update kernel Linux without reboot?! |
SOCKS proxy & PAM configuration exposure |
Shopt -s histappend |