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From: Christoph Hellwig <hch@infradead.org>
To: Vineeth Remanan Pillai <vineethp@amazon.com>
Cc: viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, kamatam@amazon.com,
	aliguori@amazon.com
Subject: Re: [PATCH] namei: revert old behaviour for filename_lookup with LOOKUP_PARENT flag
Date: Thu, 13 Oct 2016 13:09:04 -0700	[thread overview]
Message-ID: <20161013200904.GA23139@infradead.org> (raw)
In-Reply-To: <1476388731-24053-1-git-send-email-vineethp@amazon.com>

On Thu, Oct 13, 2016 at 07:58:51PM +0000, Vineeth Remanan Pillai wrote:
> filename_lookup used to return success for non-existing file when called
> with LOOKUP_PARENT flag. This behaviour was changed with
> commit 8bcb77fabd7c ("namei: split off filename_lookupat()
> with LOOKUP_PARENT")
> 
> The above patch split parent lookup functionality to a different function
> filename_parentat and changed all calls to filename_lookup(LOOKUP_PARENT)
> to the new function filename_parentat. But functions like kern_path which
> passed the flags directly to filename_lookup regressed due to this.
> 
> This patch aims to fix the regressed behaviour by calling
> filename_parentat from filename_lookup if the flags contain LOOKUP_PARENT.

What callers shows te problems?  That's probaby were the fix need to got
in, and even if not that's still part of a good bug report.

  parent reply	other threads:[~2016-10-13 20:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-13 19:58 [PATCH] namei: revert old behaviour for filename_lookup with LOOKUP_PARENT flag Vineeth Remanan Pillai
2016-10-13 20:06 ` Al Viro
2016-10-13 20:09 ` Christoph Hellwig [this message]
2016-10-13 20:26   ` Al Viro
2016-10-13 20:41     ` Vineeth Remanan Pillai
2016-10-13 20:44       ` Christoph Hellwig
2016-10-13 21:24       ` Al Viro
2016-10-13 22:14         ` Vineeth Remanan Pillai
2016-10-13 23:31           ` Al Viro
2016-10-14  0:02             ` Remanan Pillai, Vineeth

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