linux-kernel - Re: [PATCH] eventfs: Have inodes have unique inode numbers

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Message-ID: <ZbQzXfqA5vK5JXZS@casper.infradead.org>
Date: Fri, 26 Jan 2024 22:34:05 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Trace Devel <linux-trace-devel@...r.kernel.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Christian Brauner <brauner@...nel.org>,
	Ajay Kaher <ajay.kaher@...adcom.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH] eventfs: Have inodes have unique inode numbers

On Fri, Jan 26, 2024 at 05:14:12PM -0500, Mathieu Desnoyers wrote:
> I would suggest this straightforward solution to this:
> 
> a) define a EVENTFS_MAX_INODES (e.g. 4096 * 8),
> 
> b) keep track of inode allocation in a bitmap (within a single page),
> 
> c) disallow allocating more than "EVENTFS_MAX_INODES" in eventfs.

.. reinventing the IDA?