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main: flip sync only when advancing

This commit is contained in:
Thomas Schoebel-Theuer 2019-01-31 19:49:22 +01:00 committed by Thomas Schoebel-Theuer
parent a6fbb93394
commit c05978bdcc
1 changed files with 5 additions and 1 deletions
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6
kernel/sy_old/mars_main.c
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@ -612,6 +612,7 @@ struct mars_rotate {
int inf_prev_sequence;
int inf_old_sequence;
long long flip_start;
loff_t flip_pos;
loff_t dev_size;
loff_t start_pos;
loff_t end_pos;
@ -4880,7 +4881,10 @@ static int make_sync(void *buf, struct mars_dent *dent)
mars_sync_flip_interval >= 8) {
if (!rot->flip_start) {
rot->flip_start = jiffies;
} else if ((long long)jiffies - rot->flip_start > CONFIG_MARS_SYNC_FLIP_INTERVAL * HZ) {
rot->flip_pos = rot->start_pos;
} else if ((long long)jiffies - rot->flip_start > mars_sync_flip_interval * HZ &&
rot->sync_brick &&
rot->sync_brick->copy_last > rot->flip_pos) {
do_start = false;
rot->flip_start = jiffies + mars_sync_flip_interval * HZ;
}