Commit 3adc57e9 authored by Damien Le Moal's avatar Damien Le Moal Committed by Jaegeuk Kim
Browse files

f2fs: Do not allow adaptive mode for host-managed zoned block devices 



The LFS mode is mandatory for host-managed zoned block devices as
update in place optimizations are not possible for segments in
sequential zones.

Signed-off-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 96ba2dec

fs/f2fs/super.c

+7 −0
Original line number Diff line number Diff line
@@ -518,6 +518,13 @@ static int parse_options(struct super_block *sb, char *options) 
				return -ENOMEM;

			if (strlen(name) == 8 &&

					!strncmp(name, "adaptive", 8)) {

				if (f2fs_sb_mounted_blkzoned(sb)) {

					f2fs_msg(sb, KERN_WARNING,

						 "adaptive mode is not allowed with "

						 "zoned block device feature");

					kfree(name);

					return -EINVAL;

				}

				set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);

			} else if (strlen(name) == 3 &&

					!strncmp(name, "lfs", 3)) {