Re: [PATCH] ceph: remove sb_start/end_write in ceph_aio_write.

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On Mon, Jun 17, 2013 at 10:19 PM, majianpeng <majianpeng@xxxxxxxxx> wrote:
>
> Either in vfs_write or io_submit,it call file_start/end_write.
> The different between file_start/end_write and sb_start/end_write is
> file_ only handle regular file.But i think in ceph_aio_write,it only
> for regular file.
>
> Signed-off-by: Jianpeng Ma<majianpeng@xxxxxxxxx>
> ---
>  fs/ceph/file.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/fs/ceph/file.c b/fs/ceph/file.c
> index 656e169..7c69f4f 100644
> --- a/fs/ceph/file.c
> +++ b/fs/ceph/file.c
> @@ -716,7 +716,6 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
>         if (ceph_snap(inode) != CEPH_NOSNAP)
>                 return -EROFS;
>  -      sb_start_write(inode->i_sb);
>         mutex_lock(&inode->i_mutex);
>         hold_mutex = true;
>  @@ -809,7 +808,6 @@ retry_snap:
>  out:
>         if (hold_mutex)
>                 mutex_unlock(&inode->i_mutex);
> -       sb_end_write(inode->i_sb);
>         current->backing_dev_info = NULL;
>         return written ? written : err;
> -- 1.8.3.rc1.44.gb387c77
>


It looks that my commit 03d254edeb (ceph: apply write checks in
ceph_aio_write) conflicts with
Al Viro's commit 8d71db4f08 (lift sb_start_write/sb_end_write out of
->aio_write())

Acked-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
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