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From: Matthew Wilcox <willy@infradead.org>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>,
	Al Viro <viro@zeniv.linux.org.uk>, Linux MM <linux-mm@kvack.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	overlayfs <linux-unionfs@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Miklos Szeredi <miklos@szeredi.hu>,
	Colin Walters <walters@verbum.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	syzbot <syzbot+d6ec23007e951dadf3de@syzkaller.appspotmail.com>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>
Subject: Re: [PATCH v4 1/2] hugetlb: use f_mode & FMODE_HUGETLBFS to identify hugetlbfs files
Date: Sat, 13 Jun 2020 07:38:54 -0700	[thread overview]
Message-ID: <20200613143854.GN8681@bombadil.infradead.org> (raw)
In-Reply-To: <CAOQ4uxg=o2SVbfUiz0nOg-XHG8irvAsnXzFWjExjubk2v_6c_A@mail.gmail.com>

On Sat, Jun 13, 2020 at 09:53:24AM +0300, Amir Goldstein wrote:
> Currently, the only in-tree stacking fs are overlayfs and ecryptfs, but there
> are some out of tree implementations as well (shiftfs).
> So you may only take that option if you do not care about the combination
> of hugetlbfs with any of the above.

I could see shiftfs being interesting, maybe.  I don't really see
the usecase for layering overlayfs or ecryptfs on top of a ram-based
filesystem.

  reply	other threads:[~2020-06-13 14:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-12  0:46 Mike Kravetz
2020-06-12  0:46 ` [PATCH v4 2/2] ovl: call underlying get_unmapped_area() routine. propogate FMODE_HUGETLBFS Mike Kravetz
2020-06-14 12:50   ` Amir Goldstein
2020-06-12  1:53 ` [PATCH v4 1/2] hugetlb: use f_mode & FMODE_HUGETLBFS to identify hugetlbfs files Matthew Wilcox
2020-06-12  1:58 ` Al Viro
2020-06-12 21:51   ` Mike Kravetz
2020-06-13  6:53     ` Amir Goldstein
2020-06-13 14:38       ` Matthew Wilcox [this message]
2020-06-13 19:12       ` Mike Kravetz
2020-06-15  7:53         ` Miklos Szeredi
2020-06-15 10:05           ` Amir Goldstein
2020-06-15 13:01             ` Miklos Szeredi
2020-06-15 23:45           ` Mike Kravetz
2020-06-16  9:01             ` Miklos Szeredi
2020-06-15  8:24       ` Miklos Szeredi
2020-06-15 17:48         ` Mike Kravetz
2020-06-12  6:28 ` [RFC PATCH] hugetlb: hugetlbfs_file_operations can be static kernel test robot

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