evie/android_kernel_oneplus_msm8998
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drbd: reset congestion information before reporting it in /proc/drbd

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We cache the congestion status in mdev->congestion_reason whenever
drbd_congested() was called.
Reset this cached info before reporting it when reading /proc/drbd.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2012-06-14 15:19:26 +02:00 • committed by Philipp Reisner
parent c2ba686f35
commit 88437879fb
1 changed files with 3 additions and 0 deletions
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3
drivers/block/drbd/drbd_proc.c
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@ -245,6 +245,9 @@ static int drbd_seq_show(struct seq_file *seq, void *v)
mdev->state.role == R_SECONDARY) { mdev->state.role == R_SECONDARY) {
seq_printf(seq, "%2d: cs:Unconfigured\n", i); seq_printf(seq, "%2d: cs:Unconfigured\n", i);
} else { } else {
/* reset mdev->congestion_reason */
bdi_rw_congested(&mdev->rq_queue->backing_dev_info);
seq_printf(seq, seq_printf(seq,
"%2d: cs:%s ro:%s/%s ds:%s/%s %c %c%c%c%c%c%c\n" "%2d: cs:%s ro:%s/%s ds:%s/%s %c %c%c%c%c%c%c\n"
" ns:%u nr:%u dw:%u dr:%u al:%u bm:%u " " ns:%u nr:%u dw:%u dr:%u al:%u bm:%u "