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由 Neil Brown 提交于
The device-mapper core does not perform any remapping of bios before passing them to the targets. If a particular mapping begins part-way into a device, targets obtain the sector relative to the start of the mapping by subtracting ti->begin. The dm-raid1 target didn't do this everywhere: this patch fixes it, taking care to subtract ti->begin exactly once for each bio. [akpm: too late for 2.6.17 - suitable for 2.6.17.x after it has settled] Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAlasdair G Kergon <agk@redhat.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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