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Re: [dm-devel] do not disable ext4 discards on first discard failure? [was: Re: dm snapshot: ignore discards issued to the snapshot-origin target]
- From: "Martin K. Petersen" <martin petersen oracle com>
- To: Lukas Czerner <lczerner redhat com>
- Cc: sandeen redhat com, "Martin K. Petersen" <martin petersen oracle com>, Mike Snitzer <snitzer redhat com>, Christoph Hellwig <hch infradead org>, device-mapper development <dm-devel redhat com>, DarkNovaNick gmail com, linux-lvm redhat com, linux-ext4 vger kernel org, Alasdair G Kergon <agk redhat com>
- Subject: Re: [dm-devel] do not disable ext4 discards on first discard failure? [was: Re: dm snapshot: ignore discards issued to the snapshot-origin target]
- Date: Mon, 02 May 2011 10:50:03 -0400
>>>>> "Lukas" == Lukas Czerner <lczerner redhat com> writes:
Lukas> So I assume it got fixes just recently ?. I'll give it a try with
Lukas> the up-to-date kernel.
Ok, turns out the SSD I used for the test predates advertising
TRIM. Beats me why this is broken for the zeroes/!zeroes case. I'll get
it fixed...
--
Martin K. Petersen Oracle Linux Engineering
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