Re: [PATCH v2 1/3] vfs: add the sb_start_intwrite_trylock() helper

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun 22-04-18 18:10:57, Amir Goldstein wrote:
> Needed by ext4 to test frozen fs before updating s_last_mounted.
> 
> Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  include/linux/fs.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 760d8da1b6c7..cac41f1bad05 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -1597,6 +1597,11 @@ static inline void sb_start_intwrite(struct super_block *sb)
>  	__sb_start_write(sb, SB_FREEZE_FS, true);
>  }
>  
> +static inline int sb_start_intwrite_trylock(struct super_block *sb)
> +{
> +	return __sb_start_write(sb, SB_FREEZE_FS, false);
> +}
> +
>  
>  extern bool inode_owner_or_capable(const struct inode *inode);
>  
> -- 
> 2.7.4
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux