From: Anand Jain <Anand.Jain@oracle.com>
Date: Tue, 3 Jun 2014 03:36:02 +0000 (+0800)
Subject: btrfs: dev replace should replace the sysfs entry
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=49c6f736f34f901117c20960ebd7d5e60f12fcac;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

btrfs: dev replace should replace the sysfs entry

when we replace the device its corresponding sysfs
entry has to be replaced as well

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
---

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 2af6e66fe788..eea26e1b2fda 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -36,6 +36,7 @@
 #include "check-integrity.h"
 #include "rcu-string.h"
 #include "dev-replace.h"
+#include "sysfs.h"
 
 static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
 				       int scrub_ret);
@@ -562,6 +563,10 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
 		fs_info->fs_devices->latest_bdev = tgt_device->bdev;
 	list_add(&tgt_device->dev_alloc_list, &fs_info->fs_devices->alloc_list);
 
+	/* replace the sysfs entry */
+	btrfs_kobj_rm_device(fs_info, src_device);
+	btrfs_kobj_add_device(fs_info, tgt_device);
+
 	btrfs_rm_dev_replace_blocked(fs_info);
 
 	btrfs_rm_dev_replace_srcdev(fs_info, src_device);