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vmdk: Reduce the max bound for L1 table size

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512M of L1 entries is a very loose bound, only 32M are required to store
the maximal supported VMDK file size of 2TB.

Fixed qemu-iotest 59# - now failure occures before on impossible L1
table size.

Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
Reviewed-by: Eyal Moscovici <eyal.moscovici@oracle.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Arbel Moshe <arbel.moshe@oracle.com>
Signed-off-by: Sam Eiderman <shmuel.eiderman@oracle.com>
Message-id: 20190620091057.47441-3-shmuel.eiderman@oracle.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Sam Eiderman 2019-06-20 12:10:56 +03:00 • committed by Max Reitz
parent 940a2cd5d2
commit 59d6ee4850
2 changed files with 8 additions and 7 deletions
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2
tests/qemu-iotests/059.out
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@ -2358,5 +2358,5 @@ Offset Length Mapped to File
0x140000000 0x10000 0x50000 TEST_DIR/t-s003.vmdk
=== Testing afl image with a very large capacity ===
qemu-img: Can't get image size 'TEST_DIR/afl9.IMGFMT': File too large
qemu-img: Could not open 'TEST_DIR/afl9.IMGFMT': L1 size too big
*** done