tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.autofs head: b46d9614d65cd18d38922b60540aeec725bf2514 commit: d31d633e717a1458d5f76e713cc1c6b10a5b249f [5/10] autofs: change autofs4_wait() to take struct path config: mips-jz4740 (attached as .config) compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d31d633e717a1458d5f76e713cc1c6b10a5b249f # save the attached .config to linux build tree make.cross ARCH=mips All warnings (new ones prefixed by >>): fs/autofs4/root.c: In function 'autofs4_d_manage': >> fs/autofs4/root.c:450:30: warning: passing argument 1 of 'autofs4_mount_wait' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] status = autofs4_mount_wait(path, rcu_walk); ^~~~ fs/autofs4/root.c:272:12: note: expected 'struct path *' but argument is of type 'const struct path *' static int autofs4_mount_wait(struct path *path, bool rcu_walk) ^~~~~~~~~~~~~~~~~~ vim +450 fs/autofs4/root.c 434 435 /* The daemon never waits. */ 436 if (autofs4_oz_mode(sbi)) { 437 if (!d_mountpoint(dentry)) 438 return -EISDIR; 439 return 0; 440 } 441 442 /* Wait for pending expires */ 443 if (do_expire_wait(path, rcu_walk) == -ECHILD) 444 return -ECHILD; 445 446 /* 447 * This dentry may be under construction so wait on mount 448 * completion. 449 */ > 450 status = autofs4_mount_wait(path, rcu_walk); 451 if (status) 452 return status; 453 454 if (rcu_walk) { 455 /* We don't need fs_lock in rcu_walk mode, 456 * just testing 'AUTOFS_INFO_NO_RCU' is enough. 457 * simple_empty() takes a spinlock, so leave it 458 * to last. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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