Additional ZVOL compatibility autoconf checks and zconfig ZVOL sanity test.
This commit is contained in:
Brian Behlendorf
parent
915205a6e8
commit
6fabeffd3b
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@ -7,7 +7,8 @@ AC_DEFUN([ZFS_AC_KERNEL_BIO_RW_SYNCIO], [
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/bio.h>
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],[
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int flags = BIO_RW_SYNCIO;
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int flags;
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flags = BIO_RW_SYNCIO;
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BIO_RW_SYNCIO, 1,
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@ -1,6 +1,8 @@
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dnl #
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dnl # 2.6.18 API change
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nl #
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dnl # 2.6.31 API change
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dnl # In 2.6.29 kernels blk_end_request() was a GPL-only symbol, this was
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dnl # changed in 2.6.31 so it may be used by non-GPL modules.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BLK_END_REQUEST], [
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AC_MSG_CHECKING([whether blk_end_request() is available])
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ZFS_LINUX_TRY_COMPILE([
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@ -15,4 +17,21 @@ AC_DEFUN([ZFS_AC_KERNEL_BLK_END_REQUEST], [
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],[
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AC_MSG_RESULT(no)
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])
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AC_MSG_CHECKING([whether blk_end_request() is GPL-only])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/module.h>
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#include <linux/blkdev.h>
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MODULE_LICENSE("CDDL");
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],[
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struct request *req = NULL;
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(void) blk_end_request(req, 0, 0);
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],[
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AC_MSG_RESULT(no)
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLK_END_REQUEST_GPL_ONLY, 1,
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[blk_end_request() is GPL-only])
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])
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])
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@ -1,5 +1,8 @@
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dnl #
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dnl # 2.6.31 API change
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dnl # 2.6.29 API change
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dnl # In the 2.6.29 kernel blk_rq_bytes() was available as a GPL-only symbol.
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dnl # So we need to check the symbol license as well. As of 2.6.31 the
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dnl blk_rq_bytes() helper was changed to a static inline which we can use.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
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AC_MSG_CHECKING([whether blk_rq_bytes() is available])
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@ -15,4 +18,21 @@ AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
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],[
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AC_MSG_RESULT(no)
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])
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AC_MSG_CHECKING([whether blk_rq_bytes() is GPL-only])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/module.h>
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#include <linux/blkdev.h>
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MODULE_LICENSE("CDDL");
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],[
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struct request *req = NULL;
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(void) blk_rq_bytes(req);
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],[
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AC_MSG_RESULT(no)
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLK_RQ_BYTES_GPL_ONLY, 1,
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[blk_rq_bytes() is GPL-only])
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])
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])
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@ -0,0 +1,20 @@
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dnl #
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dnl # 2.6.x API change
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT], [
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AC_MSG_CHECKING([whether rq_for_each_segment() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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],[
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struct bio_vec *bv;
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struct req_iterator iter;
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struct request *req = NULL;
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rq_for_each_segment(bv, req, iter) { }
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT, 1,
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[rq_for_each_segment() is available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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@ -19,6 +19,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
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ZFS_AC_KERNEL_BLK_RQ_SECTORS
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ZFS_AC_KERNEL_GET_DISK_RO
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ZFS_AC_KERNEL_RQ_IS_SYNC
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ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT
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dnl # Kernel build make options
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dnl # KERNELMAKE_PARAMS="V=1" # Enable verbose module build
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@ -115,4 +115,52 @@ zconfig_test2() {
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}
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zconfig_test2
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# ZVOL sanity check
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zconfig_test3() {
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POOL_NAME=tank
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ZVOL_NAME=fish
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FULL_NAME=${POOL_NAME}/${ZVOL_NAME}
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SRC_DIR=/bin/
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TMP_FILE1=`mktemp`
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TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
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echo -n "test 3 - ZVOL sanity: "
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# Create a pool and volume.
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${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" || fail 1
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${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 || fail 2
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${ZFS} create -V 400M ${FULL_NAME} || fail 3
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# Partition the volume, for a 400M volume there will be
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# 812 cylinders, 16 heads, and 63 sectors per track.
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/sbin/sfdisk -q /dev/${FULL_NAME} << EOF &>${TMP_FILE1} || fail 4
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,812
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;
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;
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;
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EOF
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# Format the partition with ext3.
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/sbin/mkfs.ext3 /dev/${FULL_NAME}1 &>${TMP_FILE1} || fail 5
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# Mount the ext3 filesystem and copy some data to it.
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mkdir -p /tmp/${ZVOL_NAME} || fail 6
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mount /dev/${FULL_NAME}1 /tmp/${ZVOL_NAME} || fail 7
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cp -RL ${SRC_DIR} /tmp/${ZVOL_NAME} || fail 8
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# Verify the copied files match the original files.
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diff -ur ${SRC_DIR} /tmp/${ZVOL_NAME}${SRC_DIR} || fail 9
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# Remove the files, umount, destroy the volume and pool.
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rm -Rf /tmp/${ZVOL_NAME}${SRC_DIR}* || fail 10
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umount /tmp/${ZVOL_NAME} || fail 11
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${ZFS} destroy ${FULL_NAME} || fail 12
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${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 13
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rm -f ${TMP_FILE1} || fail 14
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${ZFS_SH} -u || fail 15
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pass
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}
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zconfig_test3
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exit 0
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