Messages in this thread Patch in this message | | | Subject | Re: [linux-lvm] Bugs in LVM and ext2: patch for LVM | From | Urs Thuermann <> | Date | 28 Feb 2001 18:53:33 +0100 |
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Urs Thuermann <urs@isnogud.escape.de> writes:
> I've read lots of EXT2 and LVM src code and I think it turns out that > there is a bug in both. Andreas has already given the fix for the > ext2, a suggestion for LVM is below (sorry, no patch, I really know to > little about all the block sizes and buffers of block devices).
Despite my limited knowledge of the src code for buffering and block devices I have made an patch which fixes the LVM problem for me. I'm not 100% sure it is correct and if it is the clean solution. Some kernel god should therefore take a look on it. At least I have running it here in my kernel.
--- linux-2.4.2/drivers/md/lvm.c.orig Wed Feb 28 18:27:40 2001 +++ linux-2.4.2/drivers/md/lvm.c Wed Feb 28 17:00:25 2001 @@ -376,6 +376,8 @@ static struct hd_struct lvm_hd_struct[MAX_LV]; static int lvm_blocksizes[MAX_LV] = {0,}; +static int lvm_hardsizes[MAX_LV] = +{0,}; static int lvm_size[MAX_LV] = {0,}; static struct gendisk lvm_gendisk = @@ -3035,11 +3037,12 @@ lvm_gendisk.part[i].start_sect = -1; /* avoid partition check */ lvm_size[i] = lvm_gendisk.part[i].nr_sects = 0; lvm_blocksizes[i] = BLOCK_SIZE; + lvm_hardsizes[i] = BLOCK_SIZE; } blk_size[MAJOR_NR] = lvm_size; blksize_size[MAJOR_NR] = lvm_blocksizes; - hardsect_size[MAJOR_NR] = lvm_blocksizes; + hardsect_size[MAJOR_NR] = lvm_hardsizes; return; } /* lvm_gen_init() */ - 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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