On Fri, Aug 29, 2025 at 2:43 PM Vulturus <vulturus@xxxxxxxxxxxx> 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:
Bootlin is a fantastic tool to find where things are defined in the kernel.
-Daniel
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