Commit 9699c5f6 authored by Max Reitz's avatar Max Reitz Committed by zhuyanting
Browse files

qcow2: Fix QCOW2_COMPRESSED_SECTOR_MASK 

Masks for L2 table entries should have 64 bit.

Fixes: b6c24694
Buglink: https://bugs.launchpad.net/qemu/+bug/1850000


Cc: qemu-stable@nongnu.org
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
Message-id: 20191028161841.1198-2-mreitz@redhat.com
Reviewed-by: default avatarAlberto Garcia <berto@igalia.com>
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
(cherry picked from commit 24552feb)
Signed-off-by: default avatarMichael Roth <mdroth@linux.vnet.ibm.com>
parent 8d826b85

block/qcow2.h

+1 −1
Original line number Diff line number Diff line
@@ -77,7 +77,7 @@ 


/* Defined in the qcow2 spec (compressed cluster descriptor) */

#define QCOW2_COMPRESSED_SECTOR_SIZE 512U

#define QCOW2_COMPRESSED_SECTOR_MASK (~(QCOW2_COMPRESSED_SECTOR_SIZE - 1))

#define QCOW2_COMPRESSED_SECTOR_MASK (~(QCOW2_COMPRESSED_SECTOR_SIZE - 1ULL))



/* Must be at least 2 to cover COW */

#define MIN_L2_CACHE_SIZE 2 /* cache entries */