Re: [PATCH v3 13/16] fuse: use iomap for writeback

[Christian Brauner <brauner@kernel.org>]

On Wed, Jun 25, 2025 at 09:48:15AM -0700, Joanne Koong wrote:
> On Wed, Jun 25, 2025 at 7:18 AM kernel test robot <lkp@intel.com> wrote:
> >
> > Hi Joanne,
> >
> > kernel test robot noticed the following build errors:
> >
> > [auto build test ERROR on brauner-vfs/vfs.all]
> > [also build test ERROR on xfs-linux/for-next linus/master v6.16-rc3 next-20250625]
> > [cannot apply to gfs2/for-next mszeredi-fuse/for-next]
> > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > And when submitting patch, we suggest to use '--base' as documented in
> > https://git-scm.com/docs/git-format-patch#_base_tree_information]
> >
> > url:    https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/iomap-pass-more-arguments-using-struct-iomap_writepage_ctx/20250624-102709
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
> > patch link:    https://lore.kernel.org/r/20250624022135.832899-14-joannelkoong%40gmail.com
> > patch subject: [PATCH v3 13/16] fuse: use iomap for writeback
> > config: arm64-randconfig-003-20250625 (https://download.01.org/0day-ci/archive/20250625/202506252117.9V3HTO0i-lkp@intel.com/config)
> > compiler: aarch64-linux-gcc (GCC) 12.3.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506252117.9V3HTO0i-lkp@intel.com/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202506252117.9V3HTO0i-lkp@intel.com/
> >
> > All errors (new ones prefixed by >>):
> >
> >    aarch64-linux-ld: fs/fuse/file.o: in function `fuse_writepages':
> > >> file.c:(.text+0xa30): undefined reference to `iomap_writepages'
> > >> file.c:(.text+0xa30): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `iomap_writepages'
> >    aarch64-linux-ld: fs/fuse/file.o: in function `fuse_writepage_finish':
> > >> file.c:(.text+0x1fd8): undefined reference to `iomap_finish_folio_write'
> > >> file.c:(.text+0x1fd8): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `iomap_finish_folio_write'
> >    aarch64-linux-ld: fs/fuse/file.o: in function `fuse_cache_write_iter':
> >    file.c:(.text+0x888c): undefined reference to `iomap_file_buffered_write'
> >    file.c:(.text+0x888c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `iomap_file_buffered_write'
> >    aarch64-linux-ld: fs/fuse/file.o: in function `fuse_iomap_writeback_range':
> > >> file.c:(.text+0x9258): undefined reference to `iomap_start_folio_write'
> > >> file.c:(.text+0x9258): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `iomap_start_folio_write'
> > >> aarch64-linux-ld: fs/fuse/file.o:(.rodata+0x370): undefined reference to `iomap_dirty_folio'
> >    aarch64-linux-ld: fs/fuse/file.o:(.rodata+0x3a0): undefined reference to `iomap_release_folio'
> >
> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> 
> As noted in the cover letter [1]
> 
>    Please note the following:
>    * this patchset version temporarily drops the CONFIG_BLOCK iomap refactoring
>      patches that will be needed to merge in the series. As of now, this breaks
>      compilation for environments where CONFIG_BLOCK is not set, but the
>      CONFIG_BLOCK iomap changes will be re-added back in once the core changes
>      in this patchset are ready to go.
> 
> 
> These errors will be fixed in later versions when the CONFIG_BLOCK
> patches get added in.

Ok, sounds good. Main thing is I can merge it all in one go.