Merge commit 'refs/top-bases/fix-evict-dbufs' into fix-evict-dbufs
This commit is contained in:
Brian Behlendorf
commit
b16bda161c
30
TODO
30
TODO
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@ -1,30 +0,0 @@
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* We may need a libefi replacement. It appears libefi is used
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to determine if the device passed to zpool is a 'whole device'
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or just a partition of a device. In the short term I think we
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can simply treat everything as a partition and be alright.
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* We also do not have support for getting Solaris style device
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ids which is done when a zpool is setup. We may or may not
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be able to live without this, the jury is still out.
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-----------------------------------------------------------------------
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* Port zvol (ZFS volume interface).
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* Port zpl (ZFS posix interface).
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* Port lustre fsfilt interface to use DMU.
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* Andreas issue #1:
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"the maximum allocation DMU "blocksize" was 128kB and it would be better
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to be able to get 1MB contiguous allocations for best performance"
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* Andreas issue #2:
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"there would need to be some work done to allow multiple operations to
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be atomic. This is needed by Lustre for object creation + LAST_ID
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updates, unlink + llog updates, etc. Conceptually this isn't very
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much work for a phase tree, but I've never looked at the ZFS code."
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* Design and implement mechanism for viewing and modifying OST content
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from user space (by manipulating datasets/objects), possibly
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by implementing scaled down file system interface.
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@ -1 +1,51 @@
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# Default ZFS kernel mode configuration
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# Kernel build make options
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KERNELMAKE_PARAMS=
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#KERNELMAKE_PARAMS="V=1" # Enable verbose module build
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# Kernel build cpp flags
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KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL "
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KERNELCPPFLAGS="$KERNELCPPFLAGS -I$splsrc -I$splsrc/include -I$TOPDIR"
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# Minimally required for pread() functionality an other GNU goodness
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HOSTCFLAGS="$HOSTCFLAGS -ggdb -O2 -std=c99 -D_GNU_SOURCE -D__EXTENSIONS__ "
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# XXX: Quiet warnings not covered by the gcc-* patches
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# XXX: Once all the warnings are resolved these flags should be removed
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HOSTCFLAGS="$HOSTCFLAGS -Wno-switch -Wno-unused -Wno-missing-braces -Wno-parentheses "
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HOSTCFLAGS="$HOSTCFLAGS -Wno-uninitialized -fno-strict-aliasing "
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# Expected defines not covered by zfs_config.h or spl_config.h
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HOSTCFLAGS="$HOSTCFLAGS -DHAVE_SPL -D_POSIX_PTHREAD_SEMANTICS "
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HOSTCFLAGS="$HOSTCFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_REENTRANT "
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HOSTCFLAGS="$HOSTCFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\" "
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# Expected default include paths additional paths added by Makefiles
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HOSTCFLAGS="$HOSTCFLAGS -I$TOPDIR "
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if test "$kernelbuild" != "$kernelsrc"; then
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KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$kernelbuild"
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fi
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# XXX: I really, really hate this... but to ensure the kernel build
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# system compiles C files shared between a library and a kernel module,
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# we need to ensure each file has a unique make target. To do that
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# I'm creating symlinks for each shared file at configure time. It
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# may be possible something better can be done in the Makefile but it
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# will take some serious investigation and I don't have the time now.
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echo "Creating symlinks for additional make targets"
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ln -f -s $LIBDIR/libport/u8_textprep.c $LIBDIR/libport/ku8_textprep.c
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ln -f -s $LIBDIR/libavl/avl.c $LIBDIR/libavl/kavl.c
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ln -f -s $LIBDIR/libavl/avl.c $LIBDIR/libavl/uavl.c
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ln -f -s $LIBDIR/libnvpair/nvpair.c $LIBDIR/libnvpair/knvpair.c
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ln -f -s $LIBDIR/libnvpair/nvpair.c $LIBDIR/libnvpair/unvpair.c
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ln -f -s $LIBDIR/libzcommon/zfs_deleg.c $LIBDIR/libzcommon/kzfs_deleg.c
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ln -f -s $LIBDIR/libzcommon/zfs_prop.c $LIBDIR/libzcommon/kzfs_prop.c
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ln -f -s $LIBDIR/libzcommon/zprop_common.c $LIBDIR/libzcommon/kzprop_common.c
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ln -f -s $LIBDIR/libzcommon/compress.c $LIBDIR/libzcommon/kcompress.c
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ln -f -s $LIBDIR/libzcommon/list.c $LIBDIR/libzcommon/klist.c
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ln -f -s $LIBDIR/libzcommon/zfs_namecheck.c $LIBDIR/libzcommon/kzfs_namecheck.c
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ln -f -s $LIBDIR/libzcommon/zfs_comutil.c $LIBDIR/libzcommon/kzfs_comutil.c
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ln -f -s $LIBDIR/libzcommon/zpool_prop.c $LIBDIR/libzcommon/kzpool_prop.c
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@ -13,9 +13,6 @@ AC_DEFUN([ZFS_AC_CONFIG], [
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*** in ./config/ with the '--with-zfs-config=CONFIG' option])
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fi
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AC_MSG_RESULT([$zfsconfig]);
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. ./config/$zfsconfig
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TOPDIR=`/bin/pwd`
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BUILDDIR=$ZFS_META_NAME #+$zfsconfig
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ZFSDIR=$TOPDIR/$BUILDDIR
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@ -30,6 +27,13 @@ AC_DEFUN([ZFS_AC_CONFIG], [
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AC_SUBST(LIBDIR)
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AC_SUBST(CMDDIR)
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AC_SUBST(UNAME)
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AC_MSG_RESULT([$zfsconfig]);
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. ./config/$zfsconfig
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AC_SUBST(KERNELMAKE_PARAMS)
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AC_SUBST(KERNELCPPFLAGS)
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AC_SUBST(HOSTCFLAGS)
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])
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AC_DEFUN([ZFS_AC_KERNEL], [
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47
configure.ac
47
configure.ac
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@ -102,30 +102,6 @@ AC_EGREP_HEADER(sysinfo, sys/systeminfo.h,
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#AC_DEFINE([HAVE_UNICODE], 1, ["None"])
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#AC_DEFINE([HAVE_INTTYPES], 1, [Define to 1 if unint16 defined in <sys/types.h> header file])
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# Add "V=1" to KERNELMAKE_PARAMS to enable verbose module build
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KERNELMAKE_PARAMS=
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KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL -I$splsrc -I$splsrc/include -I$TOPDIR"
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# Minimally required for pread() functionality an other GNU goodness
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HOSTCFLAGS="$HOSTCFLAGS -ggdb -O2 -std=c99 -D_GNU_SOURCE -D__EXTENSIONS__ "
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# Quiet warnings not covered by the gcc-* patches
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HOSTCFLAGS="$HOSTCFLAGS -Wno-switch -Wno-unused -Wno-missing-braces -Wno-parentheses "
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HOSTCFLAGS="$HOSTCFLAGS -Wno-uninitialized -fno-strict-aliasing "
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# Expected defines not covered by zfs_config.h
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HOSTCFLAGS="$HOSTCFLAGS -DHAVE_SPL -D_POSIX_PTHREAD_SEMANTICS "
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HOSTCFLAGS="$HOSTCFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_REENTRANT "
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HOSTCFLAGS="$HOSTCFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\" "
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# Expected default include paths additional paths added by Makefiles
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HOSTCFLAGS="$HOSTCFLAGS -I$TOPDIR "
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if test "$kernelbuild" != "$kernelsrc"; then
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KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$kernelbuild"
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fi
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AC_SUBST(KERNELMAKE_PARAMS)
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AC_SUBST(KERNELCPPFLAGS)
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AC_SUBST(HOSTCFLAGS)
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AC_CONFIG_FILES([ Makefile
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config/Makefile
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doc/Makefile
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@ -187,26 +163,3 @@ AC_CONFIG_FILES([ Makefile
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zfs/zcmd/zpool/Makefile
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])
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AC_OUTPUT
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# HACK: I really, really hate this... but to ensure the kernel build
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# system compiles C files shared between a library and a kernel module,
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# we need to ensure each file has a unique make target. To do that
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# I'm creating symlinks for each shared file at configure time. It
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# may be possible something better can be done in the Makefile but it
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# will take some serious investigation and I don't have the time now.
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echo
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echo "Creating symlinks for additional make targets"
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ln -s $LIBDIR/libport/u8_textprep.c $LIBDIR/libport/ku8_textprep.c
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ln -s $LIBDIR/libavl/avl.c $LIBDIR/libavl/kavl.c
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ln -s $LIBDIR/libavl/avl.c $LIBDIR/libavl/uavl.c
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ln -s $LIBDIR/libnvpair/nvpair.c $LIBDIR/libnvpair/knvpair.c
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ln -s $LIBDIR/libnvpair/nvpair.c $LIBDIR/libnvpair/unvpair.c
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ln -s $LIBDIR/libzcommon/zfs_deleg.c $LIBDIR/libzcommon/kzfs_deleg.c
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ln -s $LIBDIR/libzcommon/zfs_prop.c $LIBDIR/libzcommon/kzfs_prop.c
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ln -s $LIBDIR/libzcommon/zprop_common.c $LIBDIR/libzcommon/kzprop_common.c
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ln -s $LIBDIR/libzcommon/compress.c $LIBDIR/libzcommon/kcompress.c
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ln -s $LIBDIR/libzcommon/list.c $LIBDIR/libzcommon/klist.c
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ln -s $LIBDIR/libzcommon/zfs_namecheck.c $LIBDIR/libzcommon/kzfs_namecheck.c
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ln -s $LIBDIR/libzcommon/zfs_comutil.c $LIBDIR/libzcommon/kzfs_comutil.c
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ln -s $LIBDIR/libzcommon/zpool_prop.c $LIBDIR/libzcommon/kzpool_prop.c
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