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ceph/qa/rbd/krbd_discard_granularity.t

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qa: add krbd_discard_granularity.t test Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-03-18 19:06:20 +00:00
qa: cover a custom object size in krbd_discard_granularity.t Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2024-08-08 20:01:47 +00:00
Default object size:
qa: add krbd_discard_granularity.t test Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-03-18 19:06:20 +00:00
$ rbd create --size 20M img
$ DEV=$(sudo rbd map img)
$ blockdev --getiomin $DEV
65536
$ blockdev --getioopt $DEV
qa: adjust expected io_opt in krbd_discard_granularity.t With linux.git commit a00d4bfce7c6 ("rbd: increase io_opt again"), io_opt is set to object set size. Fixes: https://tracker.ceph.com/issues/67353 Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2024-08-08 19:50:40 +00:00
4194304
qa: add krbd_discard_granularity.t test Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-03-18 19:06:20 +00:00
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
65536
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map -o alloc_size=512 img)
$ blockdev --getiomin $DEV
512
$ blockdev --getioopt $DEV
qa: adjust expected io_opt in krbd_discard_granularity.t With linux.git commit a00d4bfce7c6 ("rbd: increase io_opt again"), io_opt is set to object set size. Fixes: https://tracker.ceph.com/issues/67353 Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2024-08-08 19:50:40 +00:00
4194304
qa: add krbd_discard_granularity.t test Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-03-18 19:06:20 +00:00
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
512
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map -o alloc_size=4194304 img)
$ blockdev --getiomin $DEV
4194304
$ blockdev --getioopt $DEV
4194304
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
4194304
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map -o alloc_size=8388608 img)
$ blockdev --getiomin $DEV
4194304
$ blockdev --getioopt $DEV
4194304
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
4194304
$ sudo rbd unmap $DEV
$ rbd rm --no-progress img
qa: cover a custom object size in krbd_discard_granularity.t Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2024-08-08 20:01:47 +00:00
Custom object size:
$ rbd create --size 20M --object-size 1M img
$ DEV=$(sudo rbd map img)
$ blockdev --getiomin $DEV
65536
$ blockdev --getioopt $DEV
1048576
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
65536
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map -o alloc_size=512 img)
$ blockdev --getiomin $DEV
512
$ blockdev --getioopt $DEV
1048576
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
512
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map -o alloc_size=1048576 img)
$ blockdev --getiomin $DEV
1048576
$ blockdev --getioopt $DEV
1048576
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
1048576
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map -o alloc_size=2097152 img)
$ blockdev --getiomin $DEV
1048576
$ blockdev --getioopt $DEV
1048576
$ cat /sys/block/${DEV#/dev/}/queue/discard_granularity
1048576
$ sudo rbd unmap $DEV
$ rbd rm --no-progress img