On Wed 24-05-17 11:41:41, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
>
> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Looks good. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/read_write.c | 12 +++---------
> include/linux/fs.h | 14 ++++++++++++++
> 2 files changed, 17 insertions(+), 9 deletions(-)
>
> diff --git a/fs/read_write.c b/fs/read_write.c
> index 47c1d4484df9..53c816c61122 100644
> --- a/fs/read_write.c
> +++ b/fs/read_write.c
> @@ -678,16 +678,10 @@ static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter,
> struct kiocb kiocb;
> ssize_t ret;
>
> - if (flags & ~(RWF_HIPRI | RWF_DSYNC | RWF_SYNC))
> - return -EOPNOTSUPP;
> -
> init_sync_kiocb(&kiocb, filp);
> - if (flags & RWF_HIPRI)
> - kiocb.ki_flags |= IOCB_HIPRI;
> - if (flags & RWF_DSYNC)
> - kiocb.ki_flags |= IOCB_DSYNC;
> - if (flags & RWF_SYNC)
> - kiocb.ki_flags |= (IOCB_DSYNC | IOCB_SYNC);
> + ret = kiocb_set_rw_flags(&kiocb, flags);
> + if (ret)
> + return ret;
> kiocb.ki_pos = *ppos;
>
> if (type == READ)
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 803e5a9b2654..f53867140f43 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -3056,6 +3056,20 @@ static inline int iocb_flags(struct file *file)
> return res;
> }
>
> +static inline int kiocb_set_rw_flags(struct kiocb *ki, int flags)
> +{
> + if (unlikely(flags & ~(RWF_HIPRI | RWF_DSYNC | RWF_SYNC)))
> + return -EOPNOTSUPP;
> +
> + if (flags & RWF_HIPRI)
> + ki->ki_flags |= IOCB_HIPRI;
> + if (flags & RWF_DSYNC)
> + ki->ki_flags |= IOCB_DSYNC;
> + if (flags & RWF_SYNC)
> + ki->ki_flags |= (IOCB_DSYNC | IOCB_SYNC);
> + return 0;
> +}
> +
> static inline ino_t parent_ino(struct dentry *dentry)
> {
> ino_t res;
> --
> 2.12.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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