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(parent: 1290f52) | patch
[PATCH] Fix DM on top of raid
authorKevin Corry <kevcorry@us.ibm.com>
Mon, 27 Oct 2003 00:37:48 +0000 (16:37 -0800)
committerLinus Torvalds <torvalds@home.osdl.org>
Mon, 27 Oct 2003 00:37:48 +0000 (16:37 -0800)
commit25f532b9218d9016be36cdd3cf9fa841d3826ba3
treeeb71f790a0d635b1ebe8451588010166e4a1dc4atree | snapshot
parent1290f52b1008b26369909c1c642843bdc231a64ccommit | diff
[PATCH] Fix DM on top of raid

Force Device-Mapper to use PAGE_SIZE or smaller I/O when the underlying
device has a bvec_merge_fn routine registered.  This will fix the
situation of Device-Mapper submitting I/Os to RAID-0 that span the
RAID-0 chunk boundaries.

Joe is working on a better solution that actually honors the MD
merge_bvec_fn routine.  But this minimal change will fix the problem for
the time being.
drivers/md/dm-table.c diff | blob | history
Linux kernels and configurations used by Zygo.