Re: [PATCH v7 0/5] make '%pD' print the full path of file

From: Petr Mladek
Date: Wed Jul 21 2021 - 10:11:45 EST


On Thu 2021-07-15 09:14:02, Jia He wrote:
> Background
> ==========
> Linus suggested printing the full path of file instead of printing
> the components as '%pd'.
>
> Typically, there is no need for printk specifiers to take any real locks
> (ie mount_lock or rename_lock). So I introduce a new helper
> d_path_unsafe() which is similar to d_path() except it doesn't take any
> seqlock/spinlock.
>
> TODO
> ====
> I plan to do the followup work after '%pD' behavior is changed.
> - s390/hmcdrv: remove the redundant directory path in printing string.
> - fs/iomap: simplify the iomap_swapfile_fail() with '%pD'.
> - simplify the string printing when file_path() is invoked(in some
> cases, not all).
> - change the previous '%pD[2,3,4]' to '%pD'
>
> Jia He (4):
> d_path: fix Kernel doc validator complaints
> d_path: introduce helper d_path_unsafe()
> lib/vsprintf.c: make '%pD' print the full path of file
> lib/test_printf.c: add test cases for '%pD'
>
> Rasmus Villemoes (1):
> lib/test_printf.c: split write-beyond-buffer check in two

The patchset is ready for linux-next from my POV.

I could take it via printk tree if Al provides Acks for the
first two "d_path: *: patches.

Or Al could take it via his tree if he would prefer to do so.

Best Regards,
Petr