linux-kernel - [PATCH 01/20] drbd: drop wrong debugging aid

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Date:	Tue,  1 Jul 2014 18:16:31 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Cc:	drbd-dev@...ts.linbit.com
Subject: [PATCH 01/20] drbd: drop wrong debugging aid

From: Lars Ellenberg <lars.ellenberg@...bit.com>

The textual representation of resync extents in /proc/drbd presented
with proc_details >= 3 was wrong, it used bitnumbers as bitmasks.

It was not particularly useful either, and I doubt anyone has even tried
to look at it in the last few years. Drop it.

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
---
 drivers/block/drbd/drbd_proc.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index f11e573..46bb8dd 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -188,16 +188,6 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se
 	}
 }
 
-static void resync_dump_detail(struct seq_file *seq, struct lc_element *e)
-{
-	struct bm_extent *bme = lc_entry(e, struct bm_extent, lce);
-
-	seq_printf(seq, "%5d %s %s\n", bme->rs_left,
-		   bme->flags & BME_NO_WRITES ? "NO_WRITES" : "---------",
-		   bme->flags & BME_LOCKED ? "LOCKED" : "------"
-		   );
-}
-
 static int drbd_seq_show(struct seq_file *seq, void *v)
 {
 	int i, prev_i = -1;
@@ -298,13 +288,6 @@ static int drbd_seq_show(struct seq_file *seq, void *v)
 			lc_seq_printf_stats(seq, device->act_log);
 			put_ldev(device);
 		}
-
-		if (proc_details >= 2) {
-			if (device->resync) {
-				lc_seq_dump_details(seq, device->resync, "rs_left",
-					resync_dump_detail);
-			}
-		}
 	}
 	rcu_read_unlock();
 
-- 
1.9.1

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