Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

[Jaegeuk Kim via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>]

Hi Eric,

Could you please check this revert as it breaks the mount()?
It seems F2FS needs to implement new mount support.

Thanks,

On 11/12, Jaegeuk Kim wrote:
> This reverts commit 54f43a10fa257ad4af02a1d157fefef6ebcfa7dc.
> 
> The above commit broke the lazytime mount, given
> 
> mount("/dev/vdb", "/mnt/test", "f2fs", 0, "lazytime");
> 
> CC: stable@vger.kernel.org # 6.11+
> Signed-off-by: Daniel Rosenberg <drosen@google.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fs/f2fs/super.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index 49519439b770..35c4394e4fc6 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -150,6 +150,8 @@ enum {
>  	Opt_mode,
>  	Opt_fault_injection,
>  	Opt_fault_type,
> +	Opt_lazytime,
> +	Opt_nolazytime,
>  	Opt_quota,
>  	Opt_noquota,
>  	Opt_usrquota,
> @@ -226,6 +228,8 @@ static match_table_t f2fs_tokens = {
>  	{Opt_mode, "mode=%s"},
>  	{Opt_fault_injection, "fault_injection=%u"},
>  	{Opt_fault_type, "fault_type=%u"},
> +	{Opt_lazytime, "lazytime"},
> +	{Opt_nolazytime, "nolazytime"},
>  	{Opt_quota, "quota"},
>  	{Opt_noquota, "noquota"},
>  	{Opt_usrquota, "usrquota"},
> @@ -922,6 +926,12 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
>  			f2fs_info(sbi, "fault_type options not supported");
>  			break;
>  #endif
> +		case Opt_lazytime:
> +			sb->s_flags |= SB_LAZYTIME;
> +			break;
> +		case Opt_nolazytime:
> +			sb->s_flags &= ~SB_LAZYTIME;
> +			break;
>  #ifdef CONFIG_QUOTA
>  		case Opt_quota:
>  		case Opt_usrquota:
> -- 
> 2.47.0.277.g8800431eea-goog


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