Hi Jiri, [auto build test WARNING on v4.3-rc7 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Jiri-Kosina/PM-vfs-use-filesystem-freezing-instead-of-kthread-freezer/20151030-215223 config: x86_64-randconfig-x011-10300134 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/fs.h:5:0, from fs/jfs/jfs_txnmgr.c:45: fs/jfs/jfs_txnmgr.c: In function 'jfs_lazycommit': >> include/linux/wait.h:57:2: warning: ISO C90 forbids mixed declarations and >> code [-Wdeclaration-after-statement] wait_queue_t name = __WAITQUEUE_INITIALIZER(name, tsk) ^ >> fs/jfs/jfs_txnmgr.c:2800:3: note: in expansion of macro 'DECLARE_WAITQUEUE' DECLARE_WAITQUEUE(wq, current); ^ -- In file included from include/linux/mmzone.h:9:0, from include/linux/gfp.h:5, from include/linux/mm.h:9, from include/linux/pagemap.h:7, from fs/nilfs2/segment.c:24: fs/nilfs2/segment.c: In function 'nilfs_segctor_thread': include/linux/wait.h:935:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] wait_queue_t name = { \ ^ >> include/linux/wait.h:941:27: note: in expansion of macro 'DEFINE_WAIT_FUNC' #define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, autoremove_wake_function) ^ >> fs/nilfs2/segment.c:2509:2: note: in expansion of macro 'DEFINE_WAIT' DEFINE_WAIT(wait); ^ -- mm/vmscan.c: In function 'kswapd': >> mm/vmscan.c:3454:8: warning: unused variable 'ret' [-Wunused-variable] bool ret; ^ vim +/DECLARE_WAITQUEUE +2800 fs/jfs/jfs_txnmgr.c ^1da177e Linus Torvalds 2005-04-16 2784 sbi->commit_state &= ~IN_LAZYCOMMIT; ^1da177e Linus Torvalds 2005-04-16 2785 /* ^1da177e Linus Torvalds 2005-04-16 2786 * Don't continue in the for loop. (We can't ^1da177e Linus Torvalds 2005-04-16 2787 * anyway, it's unsafe!) We want to go back to ^1da177e Linus Torvalds 2005-04-16 2788 * the beginning of the list. ^1da177e Linus Torvalds 2005-04-16 2789 */ ^1da177e Linus Torvalds 2005-04-16 2790 break; ^1da177e Linus Torvalds 2005-04-16 2791 } ^1da177e Linus Torvalds 2005-04-16 2792 ^1da177e Linus Torvalds 2005-04-16 2793 /* If there was nothing to do, don't continue */ ^1da177e Linus Torvalds 2005-04-16 2794 if (!WorkDone) ^1da177e Linus Torvalds 2005-04-16 2795 break; ^1da177e Linus Torvalds 2005-04-16 2796 } ^1da177e Linus Torvalds 2005-04-16 2797 /* In case a wakeup came while all threads were active */ ^1da177e Linus Torvalds 2005-04-16 2798 jfs_commit_thread_waking = 0; ^1da177e Linus Torvalds 2005-04-16 2799 ^1da177e Linus Torvalds 2005-04-16 @2800 DECLARE_WAITQUEUE(wq, current); ^1da177e Linus Torvalds 2005-04-16 2801 ^1da177e Linus Torvalds 2005-04-16 2802 add_wait_queue(&jfs_commit_thread_wait, &wq); ^1da177e Linus Torvalds 2005-04-16 2803 set_current_state(TASK_INTERRUPTIBLE); ^1da177e Linus Torvalds 2005-04-16 2804 LAZY_UNLOCK(flags); ^1da177e Linus Torvalds 2005-04-16 2805 schedule(); ^1da177e Linus Torvalds 2005-04-16 2806 remove_wait_queue(&jfs_commit_thread_wait, &wq); 91dbb4de Christoph Hellwig 2006-02-15 2807 } while (!kthread_should_stop()); ^1da177e Linus Torvalds 2005-04-16 2808 :::::: The code at line 2800 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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