On Sat, Sep 20, 2008 at 5:18 PM, Martin K. Petersen <martin.petersen@xxxxxxxxxx> wrote: > > If all subdevices support the same protection format the MD device is > flagged as capable. > > Depends on d7533ad0e132f92e75c1b2eb7c26387b25a583c1 being reverted. > > Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > --- > drivers/md/md.c | 32 +++++++++++++++++++++++++++++++- > 1 files changed, 31 insertions(+), 1 deletions(-) > > diff --git a/drivers/md/md.c b/drivers/md/md.c > index 45521da..b038581 100644 > --- a/drivers/md/md.c > +++ b/drivers/md/md.c > @@ -3497,7 +3497,7 @@ static int do_md_run(mddev_t * mddev) > int err; > int chunk_size; > struct list_head *tmp; > - mdk_rdev_t *rdev; > + mdk_rdev_t *rdev, *prev; > struct gendisk *disk; > struct mdk_personality *pers; > char b[BDEVNAME_SIZE]; > @@ -3759,6 +3759,35 @@ static int do_md_run(mddev_t * mddev) > sysfs_notify(&mddev->kobj, NULL, "sync_action"); > sysfs_notify(&mddev->kobj, NULL, "degraded"); > kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE); > + > + /* Data integrity passthrough not supported on RAID 4, 5 and 6 */ > + if (pers->level >= 4 && pers->level <= 6) > + return 0; Do you have a reference to the issues in supporting this? Thanks, Dan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
