forked from Minki/linux
nvme-pci: disable the write zeros command for Intel 600P/P3100
The write zeros command does not work with 4k range. bash-4.4# ./blkdiscard /dev/nvme0n1p2 bash-4.4# strace -efallocate xfs_io -c "fzero 536895488 2048" /dev/nvme0n1p2 fallocate(3, FALLOC_FL_ZERO_RANGE, 536895488, 2048) = 0 +++ exited with 0 +++ bash-4.4# dd bs=1 if=/dev/nvme0n1p2 skip=536895488 count=512 | hexdump -C 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00000200 bash-4.4# ./blkdiscard /dev/nvme0n1p2 bash-4.4# strace -efallocate xfs_io -c "fzero 536895488 4096" /dev/nvme0n1p2 fallocate(3, FALLOC_FL_ZERO_RANGE, 536895488, 4096) = 0 +++ exited with 0 +++ bash-4.4# dd bs=1 if=/dev/nvme0n1p2 skip=536895488 count=512 | hexdump -C 00000000 5c 61 5c b0 96 21 1b 5e 85 0c 07 32 9c 8c eb 3c |\a\..!.^...2...<| 00000010 4a a2 06 ca 67 15 2d 8e 29 8d a8 a0 7e 46 8c 62 |J...g.-.)...~F.b| 00000020 bb 4c 6c c1 6b f5 ae a5 e4 a9 bc 93 4f 60 ff 7a |.Ll.k.......O`.z| Reported-by: Eric Sandeen <esandeen@redhat.com> Signed-off-by: David Milburn <dmilburn@redhat.com> Tested-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -3153,7 +3153,8 @@ static const struct pci_device_id nvme_id_table[] = {
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{ PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */
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.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
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NVME_QUIRK_MEDIUM_PRIO_SQ |
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NVME_QUIRK_NO_TEMP_THRESH_CHANGE },
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NVME_QUIRK_NO_TEMP_THRESH_CHANGE |
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NVME_QUIRK_DISABLE_WRITE_ZEROES, },
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{ PCI_VDEVICE(INTEL, 0xf1a6), /* Intel 760p/Pro 7600p */
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.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
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{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
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