From: Mike Snitzer <snitzer@redhat.com>
Date: Sun, 19 Oct 2014 12:23:09 +0000 (-0400)
Subject: dm thin: optimize retry_bios_on_resume
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=9d094eebd7fd3d3432a974f46490c32cae35edfe;p=openwrt%2Fstaging%2Fblogic.git

dm thin: optimize retry_bios_on_resume

Eliminate redundant should_error_unserviceable_bio check and error
loop.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index b9d25026ab84..575e3ed723cc 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1263,13 +1263,8 @@ static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *c
 	bio_list_init(&bios);
 	cell_release(pool, cell, &bios);
 
-	error = should_error_unserviceable_bio(pool);
-	if (error)
-		while ((bio = bio_list_pop(&bios)))
-			bio_endio(bio, error);
-	else
-		while ((bio = bio_list_pop(&bios)))
-			retry_on_resume(bio);
+	while ((bio = bio_list_pop(&bios)))
+		retry_on_resume(bio);
 }
 
 static void process_discard_cell(struct thin_c *tc, struct dm_bio_prison_cell *cell)