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From: Chris Down <chris@chrisdown.name>
To: "zhengbin (A)" <zhengbin13@huawei.com>
Cc: Amir Goldstein <amir73il@gmail.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Matthew Wilcox <willy@infradead.org>,
	Jeff Layton <jlayton@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	kernel-team@fb.com
Subject: Re: [PATCH] fs: inode: Recycle inodenum from volatile inode slabs
Date: Fri, 27 Dec 2019 11:37:32 +0000	[thread overview]
Message-ID: <20191227113732.GB442424@chrisdown.name> (raw)
In-Reply-To: <88698fed-528b-85b2-1d07-e00051d6db60@huawei.com>

zhengbin (A) writes:
>How about tmpfs and hugetlbfs use their own get_next_ino? like
>
>static DEFINE_PER_CPU(unsigned int, tmpfs_last_ino),
>
>which can reduce the risk of 32 bit wraparound further.

This won't help by itself, because in the case presented the wraparound almost 
solely comes from shmem alone.

  reply	other threads:[~2019-12-27 11:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-26 15:48 [PATCH] fs: inode: Recycle inodenum from volatile inode slabs Chris Down
2019-12-26 15:50 ` Chris Down
2019-12-26 15:53 ` [PATCH v2] " Chris Down
2019-12-26 18:04 ` [PATCH] " Amir Goldstein
2019-12-27  2:15   ` zhengbin (A)
2019-12-27 11:37     ` Chris Down [this message]
2019-12-27 11:36   ` Chris Down

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