Where is getname () defined

[Dan Bokser]

On Fri, Aug 29, 2025 at 2:43 PM Vulturus <vulturus at vulturus.xyz> wrote:

> Dear kernelnewbies subscribers,
>
> I was reading the kernel source tree in an
> attempt to understand how the chroot syscall workes.
> (I was using the linux-6.17-rc3 tarball from kernel.org.)
>
> At line 1429 of the fs/open.c file, inside the
> definition of the do_sys_openat2() function getname() is called.
>
> I am having trouble finding its definition.
>
> In particular,
> $ grep -rn 'getname' fs
> doesn't return a line like 'struct file *getname (args)'
> or similar, as I would expect.
>
> Can someone point me to the file/line where getname() is defined?
>
> Thank you,
> Vulturus
>
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Looks like it's an inline function defined in a header in
/include/linux/fs.h:
https://elixir.bootlin.com/linux/v6.17-rc3/source/include/linux/fs.h#L2916

Bootlin is a fantastic tool to find where things are defined in the kernel.

-Daniel

>
>
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