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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-11-30 19:12:49 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-11-30 19:12:49 +0000
commit137519ce2e269915de0f67a13ac32b67605cad72 (patch)
tree0ba6e3dda0eae5d50e96992cfecd073d71acb713 /exec.c
parentb8dbdddc9edda7d64352a837aa77c077c5dc960f (diff)
qemu-img: open files with cache=writeback
Data integrity is not important in qemu-img, so open the files with cache=writeback. This fixes the performance regression seen with qemu-img since revision 5485, and most particularly with the qcow2 format. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5839 c046a42c-6fe2-441c-8c8c-71466251a162
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