From: Nick Andrew MD drivers use one printk() call to print 2 log messages and the second line may be prefixed by a TAB character. It may also output a trailing space before newline. klogd (I think) turns the TAB character into the 2 characters '^I' when logging to a file. This looks ugly. Instead of a leading TAB to indicate continuation, prefix both output lines with 'raid:' or similar. Also remove any trailing space in the vicinity of the affected code and consistently end the sentences with a period. Signed-off-by: Nick Andrew Cc: Neil Brown Signed-off-by: Andrew Morton --- drivers/md/multipath.c | 3 ++- drivers/md/raid1.c | 4 ++-- drivers/md/raid10.c | 4 ++-- drivers/md/raid5.c | 4 ++-- 4 files changed, 8 insertions(+), 7 deletions(-) diff -puN drivers/md/multipath.c~raid-remove-leading-tab-on-printk-messages drivers/md/multipath.c --- a/drivers/md/multipath.c~raid-remove-leading-tab-on-printk-messages +++ a/drivers/md/multipath.c @@ -244,7 +244,8 @@ static void multipath_error (mddev_t *md conf->working_disks--; mddev->degraded++; printk(KERN_ALERT "multipath: IO failure on %s," - " disabling IO path. \n Operation continuing" + " disabling IO path.\n" + "multipath: Operation continuing" " on %d IO paths.\n", bdevname (rdev->bdev,b), conf->working_disks); diff -puN drivers/md/raid1.c~raid-remove-leading-tab-on-printk-messages drivers/md/raid1.c --- a/drivers/md/raid1.c~raid-remove-leading-tab-on-printk-messages +++ a/drivers/md/raid1.c @@ -1008,8 +1008,8 @@ static void error(mddev_t *mddev, mdk_rd } else set_bit(Faulty, &rdev->flags); set_bit(MD_CHANGE_DEVS, &mddev->flags); - printk(KERN_ALERT "raid1: Disk failure on %s, disabling device. \n" - " Operation continuing on %d devices\n", + printk(KERN_ALERT "raid1: Disk failure on %s, disabling device.\n" + "raid1: Operation continuing on %d devices.\n", bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded); } diff -puN drivers/md/raid10.c~raid-remove-leading-tab-on-printk-messages drivers/md/raid10.c --- a/drivers/md/raid10.c~raid-remove-leading-tab-on-printk-messages +++ a/drivers/md/raid10.c @@ -1001,8 +1001,8 @@ static void error(mddev_t *mddev, mdk_rd } set_bit(Faulty, &rdev->flags); set_bit(MD_CHANGE_DEVS, &mddev->flags); - printk(KERN_ALERT "raid10: Disk failure on %s, disabling device. \n" - " Operation continuing on %d devices\n", + printk(KERN_ALERT "raid10: Disk failure on %s, disabling device.\n" + "raid10: Operation continuing on %d devices.\n", bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded); } diff -puN drivers/md/raid5.c~raid-remove-leading-tab-on-printk-messages drivers/md/raid5.c --- a/drivers/md/raid5.c~raid-remove-leading-tab-on-printk-messages +++ a/drivers/md/raid5.c @@ -1262,8 +1262,8 @@ static void error(mddev_t *mddev, mdk_rd } set_bit(Faulty, &rdev->flags); printk (KERN_ALERT - "raid5: Disk failure on %s, disabling device." - " Operation continuing on %d devices\n", + "raid5: Disk failure on %s, disabling device.\n" + "raid5: Operation continuing on %d devices.\n", bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded); } } _