1dnl # 2dnl # 3.11 API change 3dnl # Add support for i_op->tmpfile 4dnl # 5AC_DEFUN([ZFS_AC_KERNEL_SRC_TMPFILE], [ 6 dnl # 7 dnl # 6.3 API change 8 dnl # The first arg is now struct mnt_idmap * 9 dnl # 10 ZFS_LINUX_TEST_SRC([inode_operations_tmpfile_mnt_idmap], [ 11 #include <linux/fs.h> 12 static int tmpfile(struct mnt_idmap *idmap, 13 struct inode *inode, struct file *file, 14 umode_t mode) { return 0; } 15 static struct inode_operations 16 iops __attribute__ ((unused)) = { 17 .tmpfile = tmpfile, 18 }; 19 ],[]) 20 dnl # 6.1 API change 21 dnl # use struct file instead of struct dentry 22 dnl # 23 ZFS_LINUX_TEST_SRC([inode_operations_tmpfile], [ 24 #include <linux/fs.h> 25 static int tmpfile(struct user_namespace *userns, 26 struct inode *inode, struct file *file, 27 umode_t mode) { return 0; } 28 static struct inode_operations 29 iops __attribute__ ((unused)) = { 30 .tmpfile = tmpfile, 31 }; 32 ],[]) 33 dnl # 34 dnl # 5.11 API change 35 dnl # add support for userns parameter to tmpfile 36 dnl # 37 ZFS_LINUX_TEST_SRC([inode_operations_tmpfile_dentry_userns], [ 38 #include <linux/fs.h> 39 static int tmpfile(struct user_namespace *userns, 40 struct inode *inode, struct dentry *dentry, 41 umode_t mode) { return 0; } 42 static struct inode_operations 43 iops __attribute__ ((unused)) = { 44 .tmpfile = tmpfile, 45 }; 46 ],[]) 47 ZFS_LINUX_TEST_SRC([inode_operations_tmpfile_dentry], [ 48 #include <linux/fs.h> 49 static int tmpfile(struct inode *inode, struct dentry *dentry, 50 umode_t mode) { return 0; } 51 static struct inode_operations 52 iops __attribute__ ((unused)) = { 53 .tmpfile = tmpfile, 54 }; 55 ],[]) 56]) 57 58AC_DEFUN([ZFS_AC_KERNEL_TMPFILE], [ 59 AC_MSG_CHECKING([whether i_op->tmpfile() exists]) 60 ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile_mnt_idmap], [ 61 AC_MSG_RESULT(yes) 62 AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists]) 63 AC_DEFINE(HAVE_TMPFILE_IDMAP, 1, [i_op->tmpfile() has mnt_idmap]) 64 ], [ 65 ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile], [ 66 AC_MSG_RESULT(yes) 67 AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists]) 68 AC_DEFINE(HAVE_TMPFILE_USERNS, 1, [i_op->tmpfile() has userns]) 69 ],[ 70 ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile_dentry_userns], [ 71 AC_MSG_RESULT(yes) 72 AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists]) 73 AC_DEFINE(HAVE_TMPFILE_USERNS, 1, [i_op->tmpfile() has userns]) 74 AC_DEFINE(HAVE_TMPFILE_DENTRY, 1, [i_op->tmpfile() uses old dentry signature]) 75 ],[ 76 ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile_dentry], [ 77 AC_MSG_RESULT(yes) 78 AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists]) 79 AC_DEFINE(HAVE_TMPFILE_DENTRY, 1, [i_op->tmpfile() uses old dentry signature]) 80 ],[ 81 ZFS_LINUX_REQUIRE_API([i_op->tmpfile()], [3.11]) 82 ]) 83 ]) 84 ]) 85 ]) 86]) 87