Messages in this thread Patch in this message | | | From | Neil Brown <> | Date | Thu, 2 Jan 2003 11:09:51 +1100 | Subject | Re: RAID0 problems with 2.4.21-BK current |
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On Sunday December 29, m.c.p@wolk-project.de wrote: > Hi Neil, > > this: > > http://linux.bkbits.net:8080/linux-2.4/patch@1.884.1.69?nav=index.html|ChangeSet@-2w|cset@1.884.1.69 > > patch breaks at least RAID 0 recognition at boottime (infinite loop) and also > breaks mkraid /dev/md0. Never stops, State D. > > Ripping the patch out helps.
Is your raid0 ontop of a raid1 ??? If so, this patch is needed.
NeilBrown
-------------------------------------------------------- Set BH_Locked when accessing MD superblocks
Some silly drivers (like raid1 !!) want BH_Locked to be set on all IO, so we humour them by setting the bit when doing superblock IO.
----------- Diffstat output ------------ ./drivers/md/md.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-)
diff ./drivers/md/md.c~current~ ./drivers/md/md.c --- ./drivers/md/md.c~current~ 2002-12-17 15:20:57.000000000 +1100 +++ ./drivers/md/md.c 2003-01-02 11:05:20.000000000 +1100 @@ -489,7 +489,7 @@ static int sync_page_io(kdev_t dev, unsi init_buffer(&bh, bh_complete, &event); bh.b_rdev = dev; bh.b_rsector = sector; - bh.b_state = (1 << BH_Req) | (1 << BH_Mapped); + bh.b_state = (1 << BH_Req) | (1 << BH_Mapped) | (1 << BH_Locked); bh.b_size = size; bh.b_page = page; bh.b_reqnext = NULL; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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