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From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: viro@ZenIV.linux.org.uk, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] fs: factor inode disposal
Date: Wed, 27 Oct 2010 05:06:43 -0400	[thread overview]
Message-ID: <20101027090643.GC16443@infradead.org> (raw)
In-Reply-To: <1288153384-8878-3-git-send-email-david@fromorbit.com>

> +	if (!drop && (sb->s_flags & MS_ACTIVE)) {
> +		inode->i_state |= I_REFERENCED;
> +		if (!(inode->i_state & (I_DIRTY|I_SYNC)))
> +			inode_lru_list_add(inode);
> +		spin_unlock(&inode->i_lock);
> +		spin_unlock(&inode_lock);
> +		return;
> +	}
> +
>  	if (!drop) {
> -		if (sb->s_flags & MS_ACTIVE) {
> -			inode->i_state |= I_REFERENCED;
> -			if (!(inode->i_state & (I_DIRTY|I_SYNC))) {
> -				inode_lru_list_add(inode);
> -			}
> -			spin_unlock(&inode->i_lock);
> -			spin_unlock(&inode_lock);
> -			return;
> -		}

Btw, I'm really not sure what this change buys us.

  parent reply	other threads:[~2010-10-27  9:06 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-27  4:23 fs: break out inode LRU operations from node_lock Dave Chinner
2010-10-27  4:23 ` [PATCH 1/4] fs: protect inode->i_state with inode->i_lock Dave Chinner
2010-10-27  7:07   ` Christian Stroetmann
2010-10-27  8:58   ` Christoph Hellwig
2010-10-27  4:23 ` [PATCH 2/4] fs: factor inode disposal Dave Chinner
2010-10-27  7:55   ` Christoph Hellwig
2010-10-27  9:06   ` Christoph Hellwig [this message]
2010-10-27  4:23 ` [PATCH 3/4] fs: Lock the inode LRU list separately Dave Chinner
2010-10-27  7:08   ` Christian Stroetmann
2010-10-27  9:05   ` Christoph Hellwig
2010-10-27 22:24     ` Dave Chinner
2010-10-28 10:25       ` Christoph Hellwig
2010-10-28 10:58         ` Dave Chinner
2010-10-27  4:23 ` [PATCH 4/4] fs: remove inode_lock from iput_final and prune_icache Dave Chinner
2010-10-27  4:40   ` Al Viro
2010-10-27  4:47     ` Eric Dumazet
2010-10-27  5:25       ` Al Viro
2010-10-27  5:50         ` Eric Dumazet
2010-10-27  6:01           ` Al Viro
2010-10-27  6:09           ` Davidlohr Bueso
2010-10-27  7:11           ` Christian Stroetmann
2010-10-27  9:12     ` Dave Chinner
  -- strict thread matches above, loose matches on Subject: below --
2010-10-27 23:02 fs: break out inode LRU operations from inode_lock V2 Dave Chinner
2010-10-27 23:02 ` [PATCH 2/4] fs: factor inode disposal Dave Chinner

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