On Fri, Aug 29, 2025 at 03:19:59PM -0400, Dan Bokser wrote: > 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? See include/linux/fs.h The search directory scope was too high, not in fs. You may find cscope, ctags, or bootlin[1] useful. [1] https://elixir.bootlin.com/linux/v6.17-rc3/source/include/linux/fs.h#L2916 > > > > Thank you, > > Vulturus > > > > _______________________________________________ > > Kernelnewbies mailing list > > Kernelnewbies@xxxxxxxxxxxxxxxxx > > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > 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 > > > > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
