linux-kernel - [PATCH 04/17] md: remove the autoscan partition re-read

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Date:   Thu,  9 Jul 2020 17:18:01 +0200
From:   Christoph Hellwig <hch@....de>
To:     linux-kernel@...r.kernel.org
Cc:     "H. Peter Anvin" <hpa@...or.com>, Song Liu <song@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-raid@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH 04/17] md: remove the autoscan partition re-read

devfs is long gone, and autoscan works just fine without this these days.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/md/md-autodetect.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/md/md-autodetect.c b/drivers/md/md-autodetect.c
index 0eb746211ed53c..6bc9b734eee6ff 100644
--- a/drivers/md/md-autodetect.c
+++ b/drivers/md/md-autodetect.c
@@ -240,16 +240,6 @@ static void __init md_setup_drive(void)
 			err = ksys_ioctl(fd, RUN_ARRAY, 0);
 		if (err)
 			printk(KERN_WARNING "md: starting md%d failed\n", minor);
-		else {
-			/* reread the partition table.
-			 * I (neilb) and not sure why this is needed, but I cannot
-			 * boot a kernel with devfs compiled in from partitioned md
-			 * array without it
-			 */
-			ksys_close(fd);
-			fd = ksys_open(name, 0, 0);
-			ksys_ioctl(fd, BLKRRPART, 0);
-		}
 		ksys_close(fd);
 	}
 }
-- 
2.26.2