On 08/04/2016 02:27 PM, Jens Axboe wrote: > On 08/04/2016 11:50 AM, kbuild test robot wrote: >> Hi Mike, >> >> [auto build test ERROR on linus/master] >> [also build test ERROR on next-20160804] >> [cannot apply to v4.7] >> [if your patch is applied to the wrong git tree, please drop us a note >> to help improve the system] >> >> url: >> https://github.com/0day-ci/linux/commits/Mike-Christie/mm-block-convert-rw_page-users-to-bio-op-use/20160805-012041 >> >> config: i386-tinyconfig (attached as .config) >> compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 >> reproduce: >> # save the attached .config to linux build tree >> make ARCH=i386 >> >> All errors (new ones prefixed by >>): >> >> mm/filemap.c: In function 'page_endio': >>>> mm/filemap.c:892:7: error: implicit declaration of function >>>> 'op_is_write' [-Werror=implicit-function-declaration] >> if (!op_is_write(op)) { >> ^~~~~~~~~~~ > > Mike, how about moving op_is_write() outside of CONFIG_BLOCK protection > in fs.h, and making the REQ_OP_* enum generally available as well? That > should fix it. > > > diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h > index f254eb264924..14b28ff2caf8 100644 > --- a/include/linux/blk_types.h > +++ b/include/linux/blk_types.h > @@ -18,6 +18,17 @@ struct cgroup_subsys_state; > typedef void (bio_end_io_t) (struct bio *); > typedef void (bio_destructor_t) (struct bio *); > > +enum req_op { > + REQ_OP_READ, > + REQ_OP_WRITE, > + REQ_OP_DISCARD, /* request to discard sectors */ > + REQ_OP_SECURE_ERASE, /* request to securely erase sectors */ > + REQ_OP_WRITE_SAME, /* write same block many times */ > + REQ_OP_FLUSH, /* request for cache flush */ > +}; > + > +#define REQ_OP_BITS 3 > + > #ifdef CONFIG_BLOCK > /* > * main unit of I/O for the block layer and lower layers (ie drivers and > @@ -228,17 +239,6 @@ enum rq_flag_bits { > #define REQ_HASHED (1ULL << __REQ_HASHED) > #define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) > > -enum req_op { > - REQ_OP_READ, > - REQ_OP_WRITE, > - REQ_OP_DISCARD, /* request to discard sectors */ > - REQ_OP_SECURE_ERASE, /* request to securely erase sectors */ > - REQ_OP_WRITE_SAME, /* write same block many times */ > - REQ_OP_FLUSH, /* request for cache flush */ > -}; > - > -#define REQ_OP_BITS 3 > - > typedef unsigned int blk_qc_t; > #define BLK_QC_T_NONE -1U > #define BLK_QC_T_SHIFT 16 > diff --git a/include/linux/fs.h b/include/linux/fs.h > index f2a69f20926f..13cc1bfce9aa 100644 > --- a/include/linux/fs.h > +++ b/include/linux/fs.h > @@ -2465,12 +2465,13 @@ extern void init_special_inode(struct inode *, > umode_t, dev_t); > extern void make_bad_inode(struct inode *); > extern bool is_bad_inode(struct inode *); > > -#ifdef CONFIG_BLOCK > static inline bool op_is_write(unsigned int op) > { > return op == REQ_OP_READ ? false : true; > } > > +#ifdef CONFIG_BLOCK > + > /* > * return data direction, READ or WRITE > */ > Looks ok to me. Did a quick build and test run with it. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
