From: NeilBrown This patch thanks to Paul Clements and only has effect if md is compiled with #define DEBUG 1 --- 25-akpm/drivers/md/md.c | 15 ++++++++------- 1 files changed, 8 insertions(+), 7 deletions(-) diff -puN drivers/md/md.c~md-03-debugging-output-cleanup drivers/md/md.c --- 25/drivers/md/md.c~md-03-debugging-output-cleanup Thu Jan 22 16:55:52 2004 +++ 25-akpm/drivers/md/md.c Thu Jan 22 16:55:52 2004 @@ -2690,7 +2690,7 @@ int md_thread(void * arg) void md_wakeup_thread(mdk_thread_t *thread) { if (thread) { - dprintk("md: waking up MD thread %p.\n", thread); + dprintk("md: waking up MD thread %s.\n", thread->tsk->comm); set_bit(THREAD_WAKEUP, &thread->flags); wake_up(&thread->wqueue); } @@ -2751,12 +2751,6 @@ void md_unregister_thread(mdk_thread_t * void md_error(mddev_t *mddev, mdk_rdev_t *rdev) { - dprintk("md_error dev:(%d:%d), rdev:(%d:%d), (caller: %p,%p,%p,%p).\n", - MD_MAJOR,mdidx(mddev), - MAJOR(rdev->bdev->bd_dev), MINOR(rdev->bdev->bd_dev), - __builtin_return_address(0),__builtin_return_address(1), - __builtin_return_address(2),__builtin_return_address(3)); - if (!mddev) { MD_BUG(); return; @@ -2764,6 +2758,13 @@ void md_error(mddev_t *mddev, mdk_rdev_t if (!rdev || rdev->faulty) return; + + dprintk("md_error dev:(%d:%d), rdev:(%d:%d), (caller: %p,%p,%p,%p).\n", + MD_MAJOR,mdidx(mddev), + MAJOR(rdev->bdev->bd_dev), MINOR(rdev->bdev->bd_dev), + __builtin_return_address(0),__builtin_return_address(1), + __builtin_return_address(2),__builtin_return_address(3)); + if (!mddev->pers->error_handler) return; mddev->pers->error_handler(mddev,rdev); _