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Linux 6.6 compat: generic_fillattr has a new u32 request_mask added at arg2

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In commit 0d72b92883c651a11059d93335f33d65c6eb653b, a new u32 argument
for the request_mask was added to generic_fillattr. This is the same
request_mask for statx that's present in the most recent API implemented
by zpl_getattr_impl. This commit conditionally adds it to the
zpl_generic_fillattr(...) macro, as well as the zfs_getattr_fast(...)
implementation, when configure determines it's present in the kernel's
generic_fillattr(...).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Coleman Kane <ckane@colemankane.org>
Closes #15263
This commit is contained in:
Coleman Kane
2023-09-15 00:36:39 -04:00
committed by Brian Behlendorf
parent b37f29341b
commit 01d00dfa9e
6 changed files with 63 additions and 11 deletions
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config/kernel-generic_fillattr.m4
+30 -9
View File
@@ -7,6 +7,10 @@ dnl #
dnl # 6.3 API
dnl # generic_fillattr() now takes struct mnt_idmap* as the first argument
dnl #
dnl # 6.6 API
dnl # generic_fillattr() now takes u32 as second argument, representing a
dnl # request_mask for statx
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR], [
ZFS_LINUX_TEST_SRC([generic_fillattr_userns], [
#include <linux/fs.h>
@@ -25,22 +29,39 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR], [
struct kstat *k = NULL;
generic_fillattr(idmap, in, k);
])
ZFS_LINUX_TEST_SRC([generic_fillattr_mnt_idmap_reqmask], [
#include <linux/fs.h>
],[
struct mnt_idmap *idmap = NULL;
struct inode *in = NULL;
struct kstat *k = NULL;
generic_fillattr(idmap, 0, in, k);
])
])
AC_DEFUN([ZFS_AC_KERNEL_GENERIC_FILLATTR], [
AC_MSG_CHECKING([whether generic_fillattr requires struct mnt_idmap*])
ZFS_LINUX_TEST_RESULT([generic_fillattr_mnt_idmap], [
AC_MSG_CHECKING(
[whether generic_fillattr requires struct mnt_idmap* and request_mask])
ZFS_LINUX_TEST_RESULT([generic_fillattr_mnt_idmap_reqmask], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GENERIC_FILLATTR_IDMAP, 1,
[generic_fillattr requires struct mnt_idmap*])
AC_DEFINE(HAVE_GENERIC_FILLATTR_IDMAP_REQMASK, 1,
[generic_fillattr requires struct mnt_idmap* and u32 request_mask])
],[
AC_MSG_CHECKING([whether generic_fillattr requires struct user_namespace*])
ZFS_LINUX_TEST_RESULT([generic_fillattr_userns], [
AC_MSG_CHECKING([whether generic_fillattr requires struct mnt_idmap*])
ZFS_LINUX_TEST_RESULT([generic_fillattr_mnt_idmap], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GENERIC_FILLATTR_USERNS, 1,
[generic_fillattr requires struct user_namespace*])
AC_DEFINE(HAVE_GENERIC_FILLATTR_IDMAP, 1,
[generic_fillattr requires struct mnt_idmap*])
],[
AC_MSG_RESULT([no])
AC_MSG_CHECKING([whether generic_fillattr requires struct user_namespace*])
ZFS_LINUX_TEST_RESULT([generic_fillattr_userns], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GENERIC_FILLATTR_USERNS, 1,
[generic_fillattr requires struct user_namespace*])
],[
AC_MSG_RESULT([no])
])
])
])
])