Re: [PATCH 02/11] writeback: switch to per-bdi threads for flushing data

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Can you run the hunk below past Anton and get it upstream separately?
The code does indeed looks extremly fishy, but I'd rather not see it
go in a large unrelated patch..


On Mon, May 18, 2009 at 02:19:43PM +0200, Jens Axboe wrote:
> diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
> index f76951d..c4cb157 100644
> --- a/fs/ntfs/super.c
> +++ b/fs/ntfs/super.c
> @@ -2373,39 +2373,13 @@ static void ntfs_put_super(struct super_block *sb)
>  		vol->mftmirr_ino = NULL;
>  	}
>  	/*
> -	 * If any dirty inodes are left, throw away all mft data page cache
> -	 * pages to allow a clean umount.  This should never happen any more
> -	 * due to mft.c::ntfs_mft_writepage() cleaning all the dirty pages as
> -	 * the underlying mft records are written out and cleaned.  If it does,
> +	 * We should have no dirty inodes left, due to
> +	 * mft.c::ntfs_mft_writepage() cleaning all the dirty pages as
> +	 * the underlying mft records are written out and cleaned.
>  	 * happen anyway, we want to know...
>  	 */
>  	ntfs_commit_inode(vol->mft_ino);
>  	write_inode_now(vol->mft_ino, 1);
> -	if (sb_has_dirty_inodes(sb)) {
> -		const char *s1, *s2;
> -
> -		mutex_lock(&vol->mft_ino->i_mutex);
> -		truncate_inode_pages(vol->mft_ino->i_mapping, 0);
> -		mutex_unlock(&vol->mft_ino->i_mutex);
> -		write_inode_now(vol->mft_ino, 1);
> -		if (sb_has_dirty_inodes(sb)) {
> -			static const char *_s1 = "inodes";
> -			static const char *_s2 = "";
> -			s1 = _s1;
> -			s2 = _s2;
> -		} else {
> -			static const char *_s1 = "mft pages";
> -			static const char *_s2 = "They have been thrown "
> -					"away.  ";
> -			s1 = _s1;
> -			s2 = _s2;
> -		}
> -		ntfs_error(sb, "Dirty %s found at umount time.  %sYou should "
> -				"run chkdsk.  Please email "
> -				"linux-ntfs-dev@xxxxxxxxxxxxxxxxxxxxx and say "
> -				"that you saw this message.  Thank you.", s1,
> -				s2);
> -	}
>  #endif /* NTFS_RW */
>  
>  	iput(vol->mft_ino);

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