Flesh out a comment about what we're doing with read bias and trims.
Sponsored by: Netflix
This commit is contained in:
parent
56b9659ee7
commit
74cc33ce57
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=337824
@ -1311,7 +1311,9 @@ cam_iosched_get_trim(struct cam_iosched_softc *isc)
|
||||
if (do_dynamic_iosched) {
|
||||
/*
|
||||
* If pending read, prefer that based on current read bias
|
||||
* setting.
|
||||
* setting. The read bias is shared for both writes and
|
||||
* TRIMs, but on TRIMs the bias is for a combined TRIM
|
||||
* not a single TRIM request that's come in.
|
||||
*/
|
||||
if (bioq_first(&isc->bio_queue) && isc->current_read_bias) {
|
||||
isc->current_read_bias--;
|
||||
|
Loading…
Reference in New Issue
Block a user