diff options
| author | Damien Le Moal <damien.lemoal@wdc.com> | 2016-10-28 17:45:04 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-11-23 12:11:20 -0800 |
| commit | 3adc57e97792e4ac9f228bde802829e2e9840afe (patch) | |
| tree | b457850dd622ace0f88cabbfa73804f7b7761d97 | |
| parent | 96ba2decb4241aa2c6b61cfc8489d648769eff99 (diff) | |
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: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7bb0b36ae5e6..3312284aa245 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)) { |