Hi Stanislav, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] [also build test ERROR on v4.17-rc1 next-20180420] [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/Stanislav-Kinsburskii/Introduce-Xen-fault-injection-facility/20180422-201946 config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/block//xen-blkback/blkback_fi.c: In function 'xen_blkif_fi_init': >> drivers/block//xen-blkback/blkback_fi.c:87:51: error: dereferencing pointer to incomplete type 'struct backend_info' bfi->dir = debugfs_create_dir(dev_name(&blkif->be->dev->dev), ^~ vim +87 drivers/block//xen-blkback/blkback_fi.c 77 78 int xen_blkif_fi_init(struct xen_blkif *blkif) 79 { 80 struct xen_blkif_fi *bfi; 81 int fi, err = -ENOMEM; 82 83 bfi = kmalloc(sizeof(*bfi), GFP_KERNEL); 84 if (!bfi) 85 return -ENOMEM; 86 > 87 bfi->dir = debugfs_create_dir(dev_name(&blkif->be->dev->dev), 88 blkif_fi_dir); 89 if (!bfi->dir) 90 goto err_dir; 91 92 for (fi = 0; fi < XENBLKIF_FI_MAX; fi++) { 93 bfi->faults[fi] = xen_fi_dir_add(bfi->dir, 94 xen_blkif_fi_names[fi]); 95 if (!bfi->faults[fi]) 96 goto err_fault; 97 } 98 99 blkif->fi_info = bfi; 100 return 0; 101 102 err_fault: 103 for (; fi > 0; fi--) 104 xen_fi_del(bfi->faults[fi]); 105 debugfs_remove_recursive(bfi->dir); 106 err_dir: 107 kfree(bfi); 108 return err; 109 } 110 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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