On 12/11/2012 06:02 AM, kbuild test robot wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
> head: 9a4c8019471386c6fb039ae9e30f5216b6b55a9e
> commit: 67cf5b09a46f72e048501b84996f2f77bc42e947 [37/63] ext4: add the basic function for inline data support
> config: make ARCH=sparc allyesconfig
>
> All error/warnings:
>
> fs/ext4/inline.c: In function 'ext4_create_inline_data':
> fs/ext4/inline.c:268:19: error: 'empty_zero_page' undeclared (first use in this function)
> fs/ext4/inline.c:268:19: note: each undeclared identifier is reported only once for each function it appears in
> fs/ext4/inline.c: At top level:
> fs/ext4/inline.c:164:12: warning: 'ext4_read_inline_data' defined but not used [-Wunused-function]
uh, in sparc, we don't have empty_zero_page? I just want to create an
inline data file without allocating a buffer with the specified length.
So maybe I have to do the kzalloc thing then. :(
Thanks
Tao
>
> vim +268 +/empty_zero_page fs/ext4/inline.c
>
> 67cf5b09 Tao Ma 2012-12-10 262
> 67cf5b09 Tao Ma 2012-12-10 263 error = ext4_journal_get_write_access(handle, is.iloc.bh);
> 67cf5b09 Tao Ma 2012-12-10 264 if (error)
> 67cf5b09 Tao Ma 2012-12-10 265 goto out;
> 67cf5b09 Tao Ma 2012-12-10 266
> 67cf5b09 Tao Ma 2012-12-10 267 if (len > EXT4_MIN_INLINE_DATA_SIZE) {
> 67cf5b09 Tao Ma 2012-12-10 @268 value = (void *)empty_zero_page;
> 67cf5b09 Tao Ma 2012-12-10 269 len -= EXT4_MIN_INLINE_DATA_SIZE;
> 67cf5b09 Tao Ma 2012-12-10 270 } else {
> 67cf5b09 Tao Ma 2012-12-10 271 value = "";
>
> ---
> 0-DAY kernel build testing backend Open Source Technology Center
> Fengguang Wu, Yuanhan Liu Intel Corporation
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