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

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Subject: Re: [PATCH] eventfs: Have inodes have unique inode numbers
From: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
Date: Sat, 27 Jan 2024 10:36:55 +0100
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Linux Trace Devel <linux-trace-devel@xxxxxxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Ajay Kaher <ajay.kaher@xxxxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>
In-reply-to: <CAHk-=whqu_21AnXM9_ohxONvmotGqE=98YS2pLZq+qcY8z85SQ@mail.gmail.com> (Linus Torvalds's message of "Fri, 26 Jan 2024 15:17:14 -0800")
References: <20240126150209.367ff402@gandalf.local.home> <CAHk-=wgZEHwFRgp2Q8_-OtpCtobbuFPBmPTZ68qN3MitU-ub=Q@mail.gmail.com> <20240126162626.31d90da9@gandalf.local.home> <CAHk-=wj8WygQNgoHerp-aKyCwFxHeyKMguQszVKyJfi-=Yfadw@mail.gmail.com> <CAHk-=whNfNti-mn6vhL-v-WZnn0i7ZAbwSf_wNULJeyanhPOgg@mail.gmail.com> <8547159a-0b28-4d75-af02-47fc450785fa@efficios.com> <ZbQzXfqA5vK5JXZS@casper.infradead.org> <CAHk-=wiF0ATuuxJhwgm707izS=5q4xBUSh+06U2VwFEJj0FNRw@mail.gmail.com> <ZbQ6gkZ78kvbcF8A@casper.infradead.org> <CAHk-=wgSy9ozqC4YfySobH5vZNt9nEyAp2kGL3dW--=4OUmmfw@mail.gmail.com> <CAHk-=whqu_21AnXM9_ohxONvmotGqE=98YS2pLZq+qcY8z85SQ@mail.gmail.com>
User-agent: Gnus/5.13 (Gnus v5.13)

On Jan 26 2024, Linus Torvalds wrote:

> Note the "might". I don't know why glibc would have special-cased
> st_ino of 0, but I suspect it's some internal oddity in the readdir()
> implementation.

It was traditionally used for deleted entries in a directory.

-- 
Andreas Schwab, schwab@xxxxxxxxxxxxxx
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

References:
- [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Steven Rostedt
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Linus Torvalds
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Steven Rostedt
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Linus Torvalds
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Linus Torvalds
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Mathieu Desnoyers
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Matthew Wilcox
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Linus Torvalds
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Matthew Wilcox
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Linus Torvalds
- Re: [PATCH] eventfs: Have inodes have unique inode numbers
  - From: Linus Torvalds

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