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Re: [Qemu-devel] [PATCH v15 6/7] ext4: disable map_sync for async flush
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From: |
Theodore Ts'o |
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Subject: |
Re: [Qemu-devel] [PATCH v15 6/7] ext4: disable map_sync for async flush |
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Date: |
Sun, 7 Jul 2019 12:34:15 -0400 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Fri, Jul 05, 2019 at 07:33:27PM +0530, Pankaj Gupta wrote:
> Dont support 'MAP_SYNC' with non-DAX files and DAX files
> with asynchronous dax_device. Virtio pmem provides
> asynchronous host page cache flush mechanism. We don't
> support 'MAP_SYNC' with virtio pmem and ext4.
>
> Signed-off-by: Pankaj Gupta <address@hidden>
> Reviewed-by: Jan Kara <address@hidden>
Acked-by: Theodore Ts'o <address@hidden>
- [Qemu-devel] [PATCH v15 0/7] virtio pmem driver, Pankaj Gupta, 2019/07/05
- [Qemu-devel] [PATCH v15 1/7] libnvdimm: nd_region flush callback support, Pankaj Gupta, 2019/07/05
- [Qemu-devel] [PATCH v15 2/7] virtio-pmem: Add virtio pmem driver, Pankaj Gupta, 2019/07/05
- [Qemu-devel] [PATCH v15 3/7] libnvdimm: add dax_dev sync flag, Pankaj Gupta, 2019/07/05
- [Qemu-devel] [PATCH v15 4/7] dm: enable synchronous dax, Pankaj Gupta, 2019/07/05
- [Qemu-devel] [PATCH v15 5/7] dax: check synchronous mapping is supported, Pankaj Gupta, 2019/07/05
- [Qemu-devel] [PATCH v15 6/7] ext4: disable map_sync for async flush, Pankaj Gupta, 2019/07/05
- Re: [Qemu-devel] [PATCH v15 6/7] ext4: disable map_sync for async flush,
Theodore Ts'o <=
- [Qemu-devel] [PATCH v15 7/7] xfs: disable map_sync for async flush, Pankaj Gupta, 2019/07/05