Commit 390f1688 authored Jun 08, 2020 by Chao Yu Committed by Greg Kroah-Hartman Jun 24, 2020

f2fs: handle readonly filesystem in f2fs_ioc_shutdown()



[ Upstream commit 8626441f05dc45a2f4693ee6863d02456ce39e60 ]

If mountpoint is readonly, we should allow shutdowning filesystem
successfully, this fixes issue found by generic/599 testcase of
xfstest.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 039a79ef

fs/f2fs/file.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -2056,9 +2056,16 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)

		if (in != F2FS_GOING_DOWN_FULLSYNC) {
		ret = mnt_want_write_file(filp);
		if (ret)
		if (ret) {
		if (ret == -EROFS) {
		ret = 0;
		f2fs_stop_checkpoint(sbi, false);
		set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
		trace_f2fs_shutdown(sbi, in, ret);
		}
		return ret;
		}
		}

		switch (in) {
		case F2FS_GOING_DOWN_FULLSYNC: