Revert "brd: remove unused brd_mutex"
authorSeung-Woo Kim <sw0312.kim@samsung.com>
Fri, 31 Jul 2020 06:38:14 +0000 (15:38 +0900)
committerHoegeun Kwon <hoegeun.kwon@samsung.com>
Tue, 30 Mar 2021 01:40:01 +0000 (10:40 +0900)
commiteb036fc820509ec589c63ac1a6a31f8d8fdcb857
treefe5257b5b51ca036a34083f92159083ae0794db6
parent61325dc073e2ad261d7ee3f0f1feeb3c02d36194
Revert "brd: remove unused brd_mutex"

This reverts commit 15f7b41f70ddcca3b555bd0fdc7c8da7466b517e.

To support brd flush to free ramdisk brd_mutex is required.

Change-Id: Ide75bcb73812c3c7e04bfe6ebaed0d6d511e01dd
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
drivers/block/brd.c