diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-12-17 11:41:15 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2010-12-17 16:11:03 +0100 |
| commit | dce512dedf2b842f453f8b20d6ca37ce283103da (patch) | |
| tree | d888752e951bfea5d798eedc392d516a0e68f4d7 /configure | |
| parent | edff5db1f50fd89e807f3fb518c77af7531e8117 (diff) | |
raw-posix: add discard support
Add support to discard blocks in a raw image residing on an XFS filesystem
by calling the XFS_IOC_UNRESVSP64 ioctl to punch holes. Support for other
hole punching mechanisms can be added when they become available.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 26 |
1 files changed, 26 insertions, 0 deletions
@@ -288,6 +288,7 @@ xen="" linux_aio="" attr="" vhost_net="" +xfs="" gprof="no" debug_tcg="no" @@ -1399,6 +1400,27 @@ EOF fi ########################################## +# xfsctl() probe, used for raw-posix +if test "$xfs" != "no" ; then + cat > $TMPC << EOF +#include <xfs/xfs.h> +int main(void) +{ + xfsctl(NULL, 0, 0, NULL); + return 0; +} +EOF + if compile_prog "" "" ; then + xfs="yes" + else + if test "$xfs" = "yes" ; then + feature_not_found "xfs" + fi + xfs=no + fi +fi + +########################################## # vde libraries probe if test "$vde" != "no" ; then vde_libs="-lvdeplug" @@ -2403,6 +2425,7 @@ echo "Trace backend $trace_backend" echo "Trace output file $trace_file-<pid>" echo "spice support $spice" echo "rbd support $rbd" +echo "xfsctl support $xfs" if test $sdl_too_old = "yes"; then echo "-> Your SDL version is too old - please upgrade to have SDL support" @@ -2548,6 +2571,9 @@ fi if test "$uuid" = "yes" ; then echo "CONFIG_UUID=y" >> $config_host_mak fi +if test "$xfs" = "yes" ; then + echo "CONFIG_XFS=y" >> $config_host_mak +fi qemu_version=`head $source_path/VERSION` echo "VERSION=$qemu_version" >>$config_host_mak echo "PKGVERSION=$pkgversion" >>$config_host_mak |