allocate 4096 bytes for 4k alligned devices #1
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added 3 commits
May 20, 2013 21:08
To make 4k scsi devices to work, allocated memory needs to be increased accordingly Tested in the following scenario: modprobe scsi_debug dev_size_mb=100 sector_size=4096 parted /dev/sdc u b p Model: Linux scsi_debug (scsi) Disk /dev/sdc: 209715200B Sector size (logical/physical): 4096B/4096B Partition Table: msdos Number Start End Size Type File system Flags 1 262144B 2097151B 1835008B primary boot, prep, type=41 2 2097152B 200015871B 197918720B primary type=83 qemu-system-ppc64 -enable-kvm -M pseries -m 1024 -nographic -drive file=/dev/sdc,if=none,format=raw,id=drive-scsi0 -device scsi-block,drive=drive-scsi0,id=scsi0 -vga none Signed-off-by: Dinar Valeev <[email protected]>
While allocating 4096 bytes, we need to free the same amount Signed-off-by: Dinar Valeev <[email protected]>
Firefox tries to be smart and displays the logs as binary data. This is OBS specific hack as it unlikely will be wanted by upstream. Signed-off-by: Dinar Valeev <[email protected]>
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To make 4k scsi devices to work, allocated memory needs to be increased
accordingly
Tested in the following scenario:
modprobe scsi_debug dev_size_mb=100 sector_size=4096
parted /dev/sdc u b p
Model: Linux scsi_debug (scsi)
Disk /dev/sdc: 209715200B
Sector size (logical/physical): 4096B/4096B
Partition Table: msdos
Number Start End Size Type File system Flags
1 262144B 2097151B 1835008B primary boot,
prep, type=41
2 2097152B 200015871B 197918720B primary type=83
qemu-system-ppc64 -enable-kvm -M pseries -m 1024 -nographic -drive
file=/dev/sdc,if=none,format=raw,id=drive-scsi0 -device
scsi-block,drive=drive-scsi0,id=scsi0 -vga none
Signed-off-by: Dinar Valeev [email protected]