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https://git.proxmox.com/git/mirror_zfs.git
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608f8749a1
Reduce the time required for ./configure to perform the needed
KABI checks by allowing kbuild to compile multiple test cases in
parallel. This was accomplished by splitting each test's source
code from the logic handling whether that code could be compiled
or not.
By introducing this split it's possible to minimize the number of
times kbuild needs to be invoked. As importantly, it means all of
the tests can be built in parallel. This does require a little extra
care since we expect some tests to fail, so the --keep-going (-k)
option must be provided otherwise some tests may not get compiled.
Furthermore, since a failure during the kbuild modpost phase will
result in an early exit; the final linking phase is limited to tests
which passed the initial compilation and produced an object file.
Once everything has been built the configure script proceeds as
previously. The only significant difference is that it now merely
needs to test for the existence of a .ko file to determine the
result of a given test. This vastly speeds up the entire process.
New test cases should use ZFS_LINUX_TEST_SRC to declare their test
source code and ZFS_LINUX_TEST_RESULT to check the result. All of
the existing kernel-*.m4 files have been updated accordingly, see
config/kernel-current-time.m4 for a basic example. The legacy
ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases
but it's use is not encouraged.
master (secs) patched (secs)
------------- ----------------
autogen.sh 61 68
configure 137 24 (~17% of current run time)
make -j $(nproc) 44 44
make rpms 287 150
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8547
Closes #9132
Closes #9341
474 lines
13 KiB
Plaintext
474 lines
13 KiB
Plaintext
dnl #
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dnl # 2.6.35 API change,
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dnl # The 'struct xattr_handler' was constified in the generic
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dnl # super_block structure.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER], [
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ZFS_LINUX_TEST_SRC([const_xattr_handler], [
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#include <linux/fs.h>
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#include <linux/xattr.h>
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const struct xattr_handler xattr_test_handler = {
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.prefix = "test",
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.get = NULL,
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.set = NULL,
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};
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const struct xattr_handler *xattr_handlers[] = {
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&xattr_test_handler,
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};
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const struct super_block sb __attribute__ ((unused)) = {
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.s_xattr = xattr_handlers,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], [
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AC_MSG_CHECKING([whether super_block uses const struct xattr_handler])
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ZFS_LINUX_TEST_RESULT([const_xattr_handler], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_CONST_XATTR_HANDLER, 1,
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[super_block uses const struct xattr_handler])
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],[
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # 4.5 API change,
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dnl # struct xattr_handler added new member "name".
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dnl # xattr_handler which matches to whole name rather than prefix should use
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dnl # "name" instead of "prefix", e.g. "system.posix_acl_access"
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_NAME], [
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ZFS_LINUX_TEST_SRC([xattr_handler_name], [
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#include <linux/xattr.h>
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.name = XATTR_NAME_POSIX_ACL_ACCESS,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_NAME], [
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AC_MSG_CHECKING([whether xattr_handler has name])
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ZFS_LINUX_TEST_RESULT([xattr_handler_name], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1,
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[xattr_handler has name])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # Supported xattr handler get() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET], [
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ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode], [
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#include <linux/xattr.h>
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int get(const struct xattr_handler *handler,
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struct dentry *dentry, struct inode *inode,
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const char *name, void *buffer, size_t size) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.get = get,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_get_xattr_handler], [
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#include <linux/xattr.h>
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int get(const struct xattr_handler *handler,
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struct dentry *dentry, const char *name,
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void *buffer, size_t size) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.get = get,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry], [
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#include <linux/xattr.h>
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int get(struct dentry *dentry, const char *name,
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void *buffer, size_t size, int handler_flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.get = get,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_get_inode], [
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#include <linux/xattr.h>
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int get(struct inode *ip, const char *name,
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void *buffer, size_t size) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.get = get,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
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dnl #
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dnl # 4.7 API change,
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dnl # The xattr_handler->get() callback was changed to take both
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dnl # dentry and inode.
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dnl #
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AC_MSG_CHECKING([whether xattr_handler->get() wants dentry and inode])
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ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1,
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[xattr_handler->get() wants both dentry and inode])
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],[
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dnl #
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dnl # 4.4 API change,
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dnl # The xattr_handler->get() callback was changed to take a
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dnl # attr_handler, and handler_flags argument was removed and
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dnl # should be accessed by handler->flags.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->get() wants xattr_handler])
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ZFS_LINUX_TEST_RESULT([xattr_handler_get_xattr_handler], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_GET_HANDLER, 1,
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[xattr_handler->get() wants xattr_handler])
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],[
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dnl #
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dnl # 2.6.33 API change,
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dnl # The xattr_handler->get() callback was changed
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dnl # to take a dentry instead of an inode, and a
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dnl # handler_flags argument was added.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->get() wants dentry])
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ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_GET_DENTRY, 1,
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[xattr_handler->get() wants dentry])
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],[
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dnl #
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dnl # Legacy 2.6.32 API
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->get() wants inode])
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ZFS_LINUX_TEST_RESULT(
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[xattr_handler_get_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_GET_INODE, 1,
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[xattr_handler->get() wants inode])
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],[
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ZFS_LINUX_TEST_ERROR([xattr get()])
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])
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])
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])
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])
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])
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dnl #
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dnl # Supported xattr handler set() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET], [
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ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry_inode], [
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#include <linux/xattr.h>
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int set(const struct xattr_handler *handler,
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struct dentry *dentry, struct inode *inode,
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const char *name, const void *buffer,
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size_t size, int flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_set_xattr_handler], [
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#include <linux/xattr.h>
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int set(const struct xattr_handler *handler,
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struct dentry *dentry, const char *name,
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const void *buffer, size_t size, int flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry], [
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#include <linux/xattr.h>
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int set(struct dentry *dentry, const char *name,
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const void *buffer, size_t size, int flags,
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int handler_flags) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_set_inode], [
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#include <linux/xattr.h>
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int set(struct inode *ip, const char *name,
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const void *buffer, size_t size, int flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
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dnl #
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dnl # 4.7 API change,
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dnl # The xattr_handler->set() callback was changed to take both
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dnl # dentry and inode.
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dnl #
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AC_MSG_CHECKING([whether xattr_handler->set() wants dentry and inode])
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ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_DENTRY_INODE, 1,
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[xattr_handler->set() wants both dentry and inode])
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],[
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dnl #
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dnl # 4.4 API change,
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dnl # The xattr_handler->set() callback was changed to take a
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dnl # xattr_handler, and handler_flags argument was removed and
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dnl # should be accessed by handler->flags.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->set() wants xattr_handler])
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ZFS_LINUX_TEST_RESULT([xattr_handler_set_xattr_handler], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_HANDLER, 1,
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[xattr_handler->set() wants xattr_handler])
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],[
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dnl #
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dnl # 2.6.33 API change,
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dnl # The xattr_handler->set() callback was changed
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dnl # to take a dentry instead of an inode, and a
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dnl # handler_flags argument was added.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->set() wants dentry])
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ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_DENTRY, 1,
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[xattr_handler->set() wants dentry])
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],[
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dnl #
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dnl # Legacy 2.6.32 API
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->set() wants inode])
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ZFS_LINUX_TEST_RESULT(
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[xattr_handler_set_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_INODE, 1,
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[xattr_handler->set() wants inode])
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],[
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ZFS_LINUX_TEST_ERROR([xattr set()])
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])
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])
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])
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])
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])
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dnl #
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dnl # Supported xattr handler list() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST], [
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ZFS_LINUX_TEST_SRC([xattr_handler_list_simple], [
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#include <linux/xattr.h>
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bool list(struct dentry *dentry) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.list = list,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_list_xattr_handler], [
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#include <linux/xattr.h>
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size_t list(const struct xattr_handler *handler,
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struct dentry *dentry, char *list, size_t list_size,
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const char *name, size_t name_len) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.list = list,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_list_dentry], [
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#include <linux/xattr.h>
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size_t list(struct dentry *dentry,
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char *list, size_t list_size,
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const char *name, size_t name_len,
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int handler_flags) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.list = list,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_list_inode], [
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#include <linux/xattr.h>
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size_t list(struct inode *ip, char *lst,
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size_t list_size, const char *name,
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size_t name_len) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.list = list,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [
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dnl # 4.5 API change,
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dnl # The xattr_handler->list() callback was changed to take only a
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dnl # dentry and it only needs to return if it's accessible.
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AC_MSG_CHECKING([whether xattr_handler->list() wants simple])
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ZFS_LINUX_TEST_RESULT([xattr_handler_list_simple], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_LIST_SIMPLE, 1,
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[xattr_handler->list() wants simple])
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],[
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dnl #
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dnl # 4.4 API change,
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dnl # The xattr_handler->list() callback was changed to take a
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dnl # xattr_handler, and handler_flags argument was removed
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dnl # and should be accessed by handler->flags.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->list() wants xattr_handler])
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ZFS_LINUX_TEST_RESULT([xattr_handler_list_xattr_handler], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_LIST_HANDLER, 1,
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[xattr_handler->list() wants xattr_handler])
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],[
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dnl #
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dnl # 2.6.33 API change,
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dnl # The xattr_handler->list() callback was changed
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dnl # to take a dentry instead of an inode, and a
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dnl # handler_flags argument was added.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->list() wants dentry])
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ZFS_LINUX_TEST_RESULT([xattr_handler_list_dentry], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_LIST_DENTRY, 1,
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[xattr_handler->list() wants dentry])
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],[
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dnl #
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dnl # Legacy 2.6.32 API
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->list() wants inode])
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ZFS_LINUX_TEST_RESULT(
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[xattr_handler_list_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_LIST_INODE, 1,
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[xattr_handler->list() wants inode])
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],[
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ZFS_LINUX_TEST_ERROR([xattr list()])
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])
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])
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])
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])
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])
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dnl #
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dnl # 3.7 API change,
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dnl # The posix_acl_{from,to}_xattr functions gained a new
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dnl # parameter: user_ns
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_FROM_XATTR_USERNS], [
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ZFS_LINUX_TEST_SRC([posix_acl_from_xattr_userns], [
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#include <linux/cred.h>
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#include <linux/fs.h>
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#include <linux/posix_acl_xattr.h>
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],[
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posix_acl_from_xattr(&init_user_ns, NULL, 0);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS], [
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AC_MSG_CHECKING([whether posix_acl_from_xattr() needs user_ns])
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ZFS_LINUX_TEST_RESULT([posix_acl_from_xattr_userns], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_POSIX_ACL_FROM_XATTR_USERNS, 1,
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[posix_acl_from_xattr() needs user_ns])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 4.9 API change,
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dnl # iops->{set,get,remove}xattr and generic_{set,get,remove}xattr are
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dnl # removed. xattr operations will directly go through sb->s_xattr.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR], [
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ZFS_LINUX_TEST_SRC([have_generic_setxattr], [
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#include <linux/fs.h>
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#include <linux/xattr.h>
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.setxattr = generic_setxattr
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_GENERIC_SETXATTR], [
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AC_MSG_CHECKING([whether generic_setxattr() exists])
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ZFS_LINUX_TEST_RESULT([have_generic_setxattr], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_GENERIC_SETXATTR, 1,
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|
[generic_setxattr() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR], [
|
|
ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_NAME
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST
|
|
ZFS_AC_KERNEL_SRC_POSIX_ACL_FROM_XATTR_USERNS
|
|
ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_XATTR], [
|
|
ZFS_AC_KERNEL_CONST_XATTR_HANDLER
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_NAME
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_GET
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_SET
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_LIST
|
|
ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS
|
|
ZFS_AC_KERNEL_GENERIC_SETXATTR
|
|
])
|