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authorTomoki Sekiyama <tomoki.sekiyama@hds.com>2013-10-01 17:09:53 -0400
committerMichael Roth <mdroth@linux.vnet.ibm.com>2013-10-10 14:52:37 -0500
commite5d9adbdab972a2172815c1174aed3fabcc448f1 (patch)
tree0ce9e2ae52c168ebcb0829ab1b065415fa51be3a /qapi
parentf2c6bcfc2e15e1dc5c69c3e579ff2063068ecb85 (diff)
downloadqemu-arm-e5d9adbdab972a2172815c1174aed3fabcc448f1.tar.gz
qemu-ga: execute fsfreeze-freeze in reverse order of mounts
Currently, fsfreeze-freeze may cause deadlock if a guest has loopback mounts of image files in its disk; e.g.: # mount | grep ^/ /dev/vda1 / type ext4 (rw,noatime,seclabel,data=ordered) /tmp/disk.img on /mnt type ext4 (rw,relatime,seclabel) To avoid the deadlock, this freezes filesystems in reverse order of mounts. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com> Reviewed-by: Eric Blake <eblake@redhat.com> *fix up commit msg Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'qapi')
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