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* qemu-block: fix building from distribution tarball when glib2-devel is installedNiels de Vos2013-09-121-0/+8
| | | | | | | | | | | | | | | | | | | | | | Building RPMs from a 'make dist' tarball fails when qemu-block is enabled. Enabling is done automatically when the glib2 development files are available (enabled by ./configure). Manual building with: $ ./autogen.sh && ./configure && make dist && rpmbuild -ta *.tar.gz Building in mock works fine, glib2-devel is not installed by default so the qemu-block xlator gets disabled. This change also adds glib2-devel to the BuildRequires in the glusterfs.spec file, causing the qemu-block xlator to be built by default, and included in the glusterfs RPM. Change-Id: Ibb73628772586d9e07bbfde7a8ff2fc973489086 BUG: 986775 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/5896 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* features/qemu-block: support for QCOW2 and QED formatsAnand Avati2013-09-0313-0/+2756
This patch adds support for internals snapshots using QCOW2 and general framework for external snapshots (next patch) with QCOW2 and QED. For internal snapshots, the file must be "initialized" or "formatted" into QCOW2 format, and specify a file size. Snapshots can be created, deleted, and applied ("goto"). e.g: // Format and Initialize sh# setfattr -n trusted.glusterfs.block-format -v qcow2:10GB /mnt/imgfile sh# ls -l /mnt/imgfile -rw-r--r-- 1 root root 10G Jul 18 21:20 imgfile // Create a snapshot sh# setfattr -n trusted.glusterfs.block-snapshot-create -v name1 imgfile // Apply a snapshot sh# setfattr -n trusted.gluterfs.block-snapshot-goto -v name1 imgfile Change-Id: If993e057a9455967ba3fa9dcabb7f74b8b2cf4c3 BUG: 986775 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5367 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Brian Foster <bfoster@redhat.com>