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config: remove HAVE_VFS_ITERATE/HAVE_VFS_ITERATE_SHARED

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris
2024-08-16 17:52:19 +10:00
committed by Brian Behlendorf
parent df35eab0bf
commit 72d3fa215f
7 changed files with 13 additions and 227 deletions
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config/kernel-vfs-iterate.m4
-60
View File
@@ -1,60 +0,0 @@
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_ITERATE], [
ZFS_LINUX_TEST_SRC([file_operations_iterate_shared], [
#include <linux/fs.h>
static int iterate(struct file *filp, struct dir_context * context)
{ return 0; }
static const struct file_operations fops
__attribute__ ((unused)) = {
.iterate_shared = iterate,
};
],[])
ZFS_LINUX_TEST_SRC([file_operations_iterate], [
#include <linux/fs.h>
static int iterate(struct file *filp,
struct dir_context *context) { return 0; }
static const struct file_operations fops
__attribute__ ((unused)) = {
.iterate = iterate,
};
#if defined(FMODE_KABI_ITERATE)
#error "RHEL 7.5, FMODE_KABI_ITERATE interface"
#endif
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_VFS_ITERATE], [
dnl #
dnl # 4.7 API change
dnl #
AC_MSG_CHECKING([whether fops->iterate_shared() is available])
ZFS_LINUX_TEST_RESULT([file_operations_iterate_shared], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_VFS_ITERATE_SHARED, 1,
[fops->iterate_shared() is available])
],[
AC_MSG_RESULT(no)
dnl #
dnl # 3.11 API change
dnl #
dnl # RHEL 7.5 compatibility; the fops.iterate() method was
dnl # added to the file_operations structure but in order to
dnl # maintain KABI compatibility all callers must set
dnl # FMODE_KABI_ITERATE which is checked in iterate_dir().
dnl # When detected ignore this interface and fallback to
dnl # to using fops.readdir() to retain KABI compatibility.
dnl #
AC_MSG_CHECKING([whether fops->iterate() is available])
ZFS_LINUX_TEST_RESULT([file_operations_iterate], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_VFS_ITERATE, 1,
[fops->iterate() is available])
],[
AC_MSG_RESULT(no)
])
])
])
config/kernel.m4
-2
View File
@@ -92,7 +92,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO
ZFS_AC_KERNEL_SRC_VFS_GETATTR
ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_SRC_VFS_ITERATE
ZFS_AC_KERNEL_SRC_GET_USER_PAGES
ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO
ZFS_AC_KERNEL_SRC_VFS_READPAGES
@@ -220,7 +219,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_VFS_READ_FOLIO
ZFS_AC_KERNEL_VFS_GETATTR
ZFS_AC_KERNEL_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_VFS_ITERATE
ZFS_AC_KERNEL_GET_USER_PAGES
ZFS_AC_KERNEL_VFS_DIRECT_IO
ZFS_AC_KERNEL_VFS_READPAGES