d4dc53dad2
Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap type for mounts (struct mnt_idmap), we need to detect these changes and make zfs work with the new APIs. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Youzhong Yang <yyang@mathworks.com> Closes #14682
95 lines
2.6 KiB
Plaintext
95 lines
2.6 KiB
Plaintext
dnl #
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dnl # Supported mkdir() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_MKDIR], [
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dnl #
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dnl # 6.3 API change
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dnl # mkdir() takes struct mnt_idmap * as the first arg
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dnl #
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ZFS_LINUX_TEST_SRC([mkdir_mnt_idmap], [
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#include <linux/fs.h>
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int mkdir(struct mnt_idmap *idmap,
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struct inode *inode, struct dentry *dentry,
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umode_t umode) { return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.mkdir = mkdir,
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};
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],[])
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dnl #
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dnl # 5.12 API change
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dnl # The struct user_namespace arg was added as the first argument to
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dnl # mkdir()
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dnl #
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ZFS_LINUX_TEST_SRC([mkdir_user_namespace], [
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#include <linux/fs.h>
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int mkdir(struct user_namespace *userns,
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struct inode *inode, struct dentry *dentry,
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umode_t umode) { return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.mkdir = mkdir,
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};
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],[])
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dnl #
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dnl # 3.3 API change
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dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a
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dnl # umode_t type rather than an int. The expectation is that any backport
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dnl # would also change all three prototypes. However, if it turns out that
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dnl # some distribution doesn't backport the whole thing this could be
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dnl # broken apart into three separate checks.
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dnl #
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ZFS_LINUX_TEST_SRC([inode_operations_mkdir], [
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#include <linux/fs.h>
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int mkdir(struct inode *inode, struct dentry *dentry,
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umode_t umode) { return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.mkdir = mkdir,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_MKDIR], [
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dnl #
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dnl # 6.3 API change
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dnl # mkdir() takes struct mnt_idmap * as the first arg
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dnl #
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AC_MSG_CHECKING([whether iops->mkdir() takes struct mnt_idmap*])
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ZFS_LINUX_TEST_RESULT([mkdir_mnt_idmap], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IOPS_MKDIR_IDMAP, 1,
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[iops->mkdir() takes struct mnt_idmap*])
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],[
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dnl #
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dnl # 5.12 API change
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dnl # The struct user_namespace arg was added as the first argument to
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dnl # mkdir() of the iops structure.
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dnl #
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AC_MSG_CHECKING([whether iops->mkdir() takes struct user_namespace*])
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ZFS_LINUX_TEST_RESULT([mkdir_user_namespace], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IOPS_MKDIR_USERNS, 1,
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[iops->mkdir() takes struct user_namespace*])
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],[
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether iops->mkdir() takes umode_t])
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ZFS_LINUX_TEST_RESULT([inode_operations_mkdir], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_MKDIR_UMODE_T, 1,
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[iops->mkdir() takes umode_t])
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],[
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ZFS_LINUX_TEST_ERROR([mkdir()])
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])
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])
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])
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])
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