md: improve variable names in md_flush_request()
This patch improves readability by using better variable names in flush request coalescing logic. Signed-off-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com> Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: Song Liu <songliubraving@fb.com>
This commit is contained in:
parent
93decc5636
commit
81ba3c2462
@ -639,7 +639,7 @@ static void md_submit_flush_data(struct work_struct *ws)
|
||||
* could wait for this and below md_handle_request could wait for those
|
||||
* bios because of suspend check
|
||||
*/
|
||||
mddev->last_flush = mddev->start_flush;
|
||||
mddev->prev_flush_start = mddev->start_flush;
|
||||
mddev->flush_bio = NULL;
|
||||
wake_up(&mddev->sb_wait);
|
||||
|
||||
@ -660,13 +660,13 @@ static void md_submit_flush_data(struct work_struct *ws)
|
||||
*/
|
||||
bool md_flush_request(struct mddev *mddev, struct bio *bio)
|
||||
{
|
||||
ktime_t start = ktime_get_boottime();
|
||||
ktime_t req_start = ktime_get_boottime();
|
||||
spin_lock_irq(&mddev->lock);
|
||||
wait_event_lock_irq(mddev->sb_wait,
|
||||
!mddev->flush_bio ||
|
||||
ktime_after(mddev->last_flush, start),
|
||||
ktime_after(mddev->prev_flush_start, req_start),
|
||||
mddev->lock);
|
||||
if (!ktime_after(mddev->last_flush, start)) {
|
||||
if (!ktime_after(mddev->prev_flush_start, req_start)) {
|
||||
WARN_ON(mddev->flush_bio);
|
||||
mddev->flush_bio = bio;
|
||||
bio = NULL;
|
||||
|
@ -495,9 +495,9 @@ struct mddev {
|
||||
*/
|
||||
struct bio *flush_bio;
|
||||
atomic_t flush_pending;
|
||||
ktime_t start_flush, last_flush; /* last_flush is when the last completed
|
||||
* flush was started.
|
||||
*/
|
||||
ktime_t start_flush, prev_flush_start; /* prev_flush_start is when the previous completed
|
||||
* flush was started.
|
||||
*/
|
||||
struct work_struct flush_work;
|
||||
struct work_struct event_work; /* used by dm to report failure event */
|
||||
mempool_t *serial_info_pool;
|
||||
|
Loading…
x
Reference in New Issue
Block a user