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qa: cover a custom object size in krbd_discard_granularity.t

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Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2024-08-08 22:01:47 +02:00
parent 144270eb73
commit e8126bf2f6
1 changed files with 44 additions and 0 deletions
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44
qa/rbd/krbd_discard_granularity.t
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@ -1,4 +1,6 @@
Default object size:
$ rbd create --size 20M img
$ DEV=$(sudo rbd map img)
@ -38,3 +40,45 @@
$ sudo rbd unmap $DEV
$ rbd rm --no-progress img
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