Merge commit 'refs/top-bases/linux-debug-zerocopy' into linux-debug-zerocopy
This commit is contained in:
Brian Behlendorf
commit
7da32c3c8e
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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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@ -1487,7 +1487,6 @@ EXPORT_SYMBOL(spa_get_space);
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EXPORT_SYMBOL(spa_get_dspace);
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EXPORT_SYMBOL(spa_get_asize);
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EXPORT_SYMBOL(spa_max_replication);
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EXPORT_SYMBOL(spa_busy);
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EXPORT_SYMBOL(spa_get_failmode);
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EXPORT_SYMBOL(spa_suspended);
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@ -460,7 +460,7 @@ static void
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zfs_range_unlock_reader(znode_t *zp, rl_t *remove)
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{
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avl_tree_t *tree = &zp->z_range_avl;
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rl_t *rl, *next;
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rl_t *rl, *next = NULL;
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uint64_t len;
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/*
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@ -0,0 +1,41 @@
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#
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# /etc/udev/rules.d/99-zpool.rules
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#
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ENV{DEVTYPE}=="disk", IMPORT{program}="path_id %p"
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# Full devices (*:pci*port:*:id-lun)
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:8-lun0", SYMLINK+="disk/zpool/a1"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:9-lun0", SYMLINK+="disk/zpool/a2"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:10-lun0", SYMLINK+="disk/zpool/a3"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:11-lun0", SYMLINK+="disk/zpool/a4"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:12-lun0", SYMLINK+="disk/zpool/a5"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:13-lun0", SYMLINK+="disk/zpool/a6"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:14-lun0", SYMLINK+="disk/zpool/a7"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:15-lun0", SYMLINK+="disk/zpool/a8"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:16-lun0", SYMLINK+="disk/zpool/b1"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:17-lun0", SYMLINK+="disk/zpool/b2"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:18-lun0", SYMLINK+="disk/zpool/b3"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:19-lun0", SYMLINK+="disk/zpool/b4"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:20-lun0", SYMLINK+="disk/zpool/b5"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:21-lun0", SYMLINK+="disk/zpool/b6"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:22-lun0", SYMLINK+="disk/zpool/b7"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="*:07:00.0*0:*:23-lun0", SYMLINK+="disk/zpool/b8"
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# Partitions (*:pci*port:*:id-lun)
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:8-lun0", SYMLINK+="disk/zpool/a1-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:9-lun0", SYMLINK+="disk/zpool/a2-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:10-lun0", SYMLINK+="disk/zpool/a3-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:11-lun0", SYMLINK+="disk/zpool/a4-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:12-lun0", SYMLINK+="disk/zpool/a5-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:13-lun0", SYMLINK+="disk/zpool/a6-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:14-lun0", SYMLINK+="disk/zpool/a7-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:15-lun0", SYMLINK+="disk/zpool/a8-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:16-lun0", SYMLINK+="disk/zpool/b1-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:17-lun0", SYMLINK+="disk/zpool/b2-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:18-lun0", SYMLINK+="disk/zpool/b3-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:19-lun0", SYMLINK+="disk/zpool/b4-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:20-lun0", SYMLINK+="disk/zpool/b5-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:21-lun0", SYMLINK+="disk/zpool/b6-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:22-lun0", SYMLINK+="disk/zpool/b7-part%n"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="*:07:00.0*0:*:23-lun0", SYMLINK+="disk/zpool/b8-part%n"
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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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@ -0,0 +1,20 @@
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#!/bin/bash
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#
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# Flash (White Box) Raid-0 Configuration (1x16)
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#
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RANKS=8
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CHANNELS=2
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zpool_create() {
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udev_setup ${UDEVDIR}/99-zpool.rules.promise
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udev_raid0_setup ${RANKS} ${CHANNELS}
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msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAID0S[*]}
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${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAID0S[*]} || exit 1
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}
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zpool_destroy() {
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msg ${ZPOOL} destroy ${ZPOOL_NAME}
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${ZPOOL} destroy ${ZPOOL_NAME}
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}
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@ -0,0 +1,20 @@
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#!/bin/bash
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#
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# Flash (White Box) Raid-10 Configuration (10x2(1+1))
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#
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RANKS=8
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CHANNELS=2
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zpool_create() {
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udev_setup ${UDEVDIR}/99-zpool.rules.promise
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udev_raid10_setup ${RANKS} ${CHANNELS}
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msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAID10S[*]}
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${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAID10S[*]} || exit 1
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}
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zpool_destroy() {
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msg ${ZPOOL} destroy ${ZPOOL_NAME}
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${ZPOOL} destroy ${ZPOOL_NAME}
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}
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@ -0,0 +1,20 @@
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#!/bin/bash
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#
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# Flash (White Box) Raid-Z Configuration (2x8(7+1))
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#
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RANKS=8
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CHANNELS=2
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zpool_create() {
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udev_setup ${UDEVDIR}/99-zpool.rules.promise
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udev_raidz_setup ${RANKS} ${CHANNELS}
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msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAIDZS[*]}
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${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAIDZS[*]} || exit 1
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}
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zpool_destroy() {
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msg ${ZPOOL} destroy ${ZPOOL_NAME}
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${ZPOOL} destroy ${ZPOOL_NAME}
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}
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@ -0,0 +1,20 @@
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#!/bin/bash
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#
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# Flash (White Box) Raid-Z2 Configuration (2x8(6+2))
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#
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RANKS=8
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CHANNELS=2
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zpool_create() {
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udev_setup ${UDEVDIR}/99-zpool.rules.promise
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udev_raidz2_setup ${RANKS} ${CHANNELS}
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msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAIDZ2S[*]}
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${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${RAIDZ2S[*]} || exit 1
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}
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zpool_destroy() {
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msg ${ZPOOL} destroy ${ZPOOL_NAME}
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${ZPOOL} destroy ${ZPOOL_NAME}
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}
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