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: Damien Le Moal <damien.lem...@wdc.com>
---
fs/f2fs/super.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 2c8a12e..58fd69d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -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)) {
--
2.7.4
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