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ioctl: introduce force xfer length configuration knob#1031

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igaw merged 1 commit intolinux-nvme:masterfrom
igaw:do-4k-reads
Jun 30, 2025
Merged

ioctl: introduce force xfer length configuration knob#1031
igaw merged 1 commit intolinux-nvme:masterfrom
igaw:do-4k-reads

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@igaw igaw commented Jun 26, 2025

Some controllers can't handle transfers smaller than 4k size. Introduce an environment variable which allows to force all xfers to 4k.

This is not documented on purpose, as it's rather a crude hack we don't want to promote.

Fixes: #807

Some controllers can't handle transfers smaller than 4k size. Introduce
an environment variable which allows to force all xfers to 4k.

This is not documented on purpose, as it's rather a crude hack we
don't want to promote.

Signed-off-by: Daniel Wagner <[email protected]>
@igaw igaw merged commit 3caa403 into linux-nvme:master Jun 30, 2025
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@igaw igaw deleted the do-4k-reads branch June 30, 2025 05:39
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"could not alloc memory for discovery log page" and mount failure with Corsair 8TB drive over RDMA nvmet

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