sysfs: add sysfs_file_change_owner()
authorChristian Brauner <christian.brauner@ubuntu.com>
Thu, 27 Feb 2020 03:37:11 +0000 (04:37 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 27 Feb 2020 04:07:25 +0000 (20:07 -0800)
commitf70ce185687bbe4e2d7ff126a8c890631f5fc2af
treefa62764ac154c9e86c2fa446aa534eebefeedb32
parentd1c73cbdf9d3f6181a50398568372ef41b1f485c
sysfs: add sysfs_file_change_owner()

Add helpers to change the owner of a sysfs files.
This function will be used to correctly account for kobject ownership
changes, e.g. when moving network devices between network namespaces.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fs/sysfs/file.c
include/linux/sysfs.h