1dnl # 2dnl # Supported mkdir() interfaces checked newest to oldest. 3dnl # 4AC_DEFUN([ZFS_AC_KERNEL_SRC_MKDIR], [ 5 dnl # 6 dnl # 6.15 API change 7 dnl # mkdir() returns struct dentry * 8 dnl # 9 ZFS_LINUX_TEST_SRC([mkdir_return_dentry], [ 10 #include <linux/fs.h> 11 12 static struct dentry *mkdir(struct mnt_idmap *idmap, 13 struct inode *inode, struct dentry *dentry, 14 umode_t umode) { return dentry; } 15 static const struct inode_operations 16 iops __attribute__ ((unused)) = { 17 .mkdir = mkdir, 18 }; 19 ],[]) 20 21 dnl # 22 dnl # 6.3 API change 23 dnl # mkdir() takes struct mnt_idmap * as the first arg 24 dnl # 25 ZFS_LINUX_TEST_SRC([mkdir_mnt_idmap], [ 26 #include <linux/fs.h> 27 28 static int mkdir(struct mnt_idmap *idmap, 29 struct inode *inode, struct dentry *dentry, 30 umode_t umode) { return 0; } 31 static const struct inode_operations 32 iops __attribute__ ((unused)) = { 33 .mkdir = mkdir, 34 }; 35 ],[]) 36 37 dnl # 38 dnl # 5.12 API change 39 dnl # The struct user_namespace arg was added as the first argument to 40 dnl # mkdir() 41 dnl # 42 ZFS_LINUX_TEST_SRC([mkdir_user_namespace], [ 43 #include <linux/fs.h> 44 45 static int mkdir(struct user_namespace *userns, 46 struct inode *inode, struct dentry *dentry, 47 umode_t umode) { return 0; } 48 49 static const struct inode_operations 50 iops __attribute__ ((unused)) = { 51 .mkdir = mkdir, 52 }; 53 ],[]) 54 55 dnl # 56 dnl # 3.3 API change 57 dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a 58 dnl # umode_t type rather than an int. The expectation is that any backport 59 dnl # would also change all three prototypes. However, if it turns out that 60 dnl # some distribution doesn't backport the whole thing this could be 61 dnl # broken apart into three separate checks. 62 dnl # 63 ZFS_LINUX_TEST_SRC([inode_operations_mkdir], [ 64 #include <linux/fs.h> 65 66 static int mkdir(struct inode *inode, struct dentry *dentry, 67 umode_t umode) { return 0; } 68 69 static const struct inode_operations 70 iops __attribute__ ((unused)) = { 71 .mkdir = mkdir, 72 }; 73 ],[]) 74]) 75 76AC_DEFUN([ZFS_AC_KERNEL_MKDIR], [ 77 dnl # 78 dnl # 6.15 API change 79 dnl # mkdir() returns struct dentry * 80 dnl # 81 AC_MSG_CHECKING([whether iops->mkdir() returns struct dentry*]) 82 ZFS_LINUX_TEST_RESULT([mkdir_return_dentry], [ 83 AC_MSG_RESULT(yes) 84 AC_DEFINE(HAVE_IOPS_MKDIR_DENTRY, 1, 85 [iops->mkdir() returns struct dentry*]) 86 ],[ 87 AC_MSG_RESULT(no) 88 89 dnl # 90 dnl # 6.3 API change 91 dnl # mkdir() takes struct mnt_idmap * as the first arg 92 dnl # 93 AC_MSG_CHECKING([whether iops->mkdir() takes struct mnt_idmap*]) 94 ZFS_LINUX_TEST_RESULT([mkdir_mnt_idmap], [ 95 AC_MSG_RESULT(yes) 96 AC_DEFINE(HAVE_IOPS_MKDIR_IDMAP, 1, 97 [iops->mkdir() takes struct mnt_idmap*]) 98 ],[ 99 AC_MSG_RESULT(no) 100 101 dnl # 102 dnl # 5.12 API change 103 dnl # The struct user_namespace arg was added as the first argument to 104 dnl # mkdir() of the iops structure. 105 dnl # 106 AC_MSG_CHECKING([whether iops->mkdir() takes struct user_namespace*]) 107 ZFS_LINUX_TEST_RESULT([mkdir_user_namespace], [ 108 AC_MSG_RESULT(yes) 109 AC_DEFINE(HAVE_IOPS_MKDIR_USERNS, 1, 110 [iops->mkdir() takes struct user_namespace*]) 111 ],[ 112 AC_MSG_RESULT(no) 113 ]) 114 ]) 115 ]) 116]) 117