Re: [PATCH v2 2/2] statvfs.3: note f_favail = f_ffree on Linux

["Tom Schwindl" <schwindl@posteo.de>]

On Sat Jun 24, 2023 at 2:39 AM CEST, наб wrote:
> Quoting myself from #musl:
> 01:59:40 hm, I think this was just invented for symmetry with bfree/bavail
> 02:00:46 FFS has minfree for space but nothing equivalent for inodes
> 02:32:31 (this is mirrored in ext4;
> 	  a global grep over DragonFlyBSD and the illumos gate
> 	  showed just NFSv3 forwarding from the server;
> 	  OpenBSD always sets it to the same thing as f_ffree;
> 	  oddly, NetBSD /does/ calculate it differently
> 	  for LFS and FFS but due to queued writes or
> 	  w/e not because of root reservation;
> 	  and as expected a lot of "/* what to put in here? */"
> 	                       and "// XXX same??")
>
> Link: https://lore.kernel.org/linux-man/f54kudgblgk643u32tb6at4cd3kkzha6hslahv24szs4raroaz@ogivjbfdaqtb/t/#u
> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
> ---
>  man3/statvfs.3 | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/man3/statvfs.3 b/man3/statvfs.3
> index b1f0e7545..272ee5391 100644
> --- a/man3/statvfs.3
> +++ b/man3/statvfs.3
> @@ -227,6 +227,14 @@ .SH NOTES
>  .BR statvfs ()
>  with the argument
>  .IR path .
> +.PP
> +Under Linux,
> +.I f_favail
> +is always the same as
> +.IR f_ffree ,
> +and there's no way for a file-system to report otherwise.

s/file-system/filesystem/ as that's what's used elsewhere.

> +This is not an issue, since no filesystems with an i-node
> +root reservation exist.

s/i-node/inode/ for the same reason.

>  .SH STANDARDS
>  POSIX.1-2008.
>  .SH HISTORY

-- 
Best Regards,
Tom Schwindl