Messages in this thread | | | Date | Wed, 23 Dec 2020 09:06:53 +0100 | From | Christoph Hellwig <> | Subject | Re: [dm-devel] DM's filesystem lookup in dm_get_dev_t() [was: Re: linux-next: manual merge of the device-mapper tree with Linus' tree] |
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On Tue, Dec 22, 2020 at 09:06:04PM +0000, Alasdair G Kergon wrote: > I have not read the background about whatever the new problem is - I'm > jumping in cold seeing this message - but from the very beginning of > device-mapper we have strongly recommended that userspace supplies the > block device in the form MAJOR:MINOR and all our own tools do that. We > guarantee not to deadlock in these places when this is done. > > We also accept the device in the form of a path name as we know there > are times when this is safe and convenient, but then we offer no > guarantees - we place the responsibility upon userspace only to do this > when it knows it is safe to do so i.e. no race and no deadlock.
644bda6f346038bce7ad3ed48f7044c10dde6d47 changes that by accepting all kinds of weirdo formats :(
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