diff options
Diffstat (limited to 'config/kernel-vfs-iterate.m4')
| -rw-r--r-- | config/kernel-vfs-iterate.m4 | 84 |
1 files changed, 46 insertions, 38 deletions
diff --git a/config/kernel-vfs-iterate.m4 b/config/kernel-vfs-iterate.m4 index 5de901d44..172118eac 100644 --- a/config/kernel-vfs-iterate.m4 +++ b/config/kernel-vfs-iterate.m4 @@ -1,9 +1,5 @@ -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_TRY_COMPILE([ +AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_ITERATE], [ + ZFS_LINUX_TEST_SRC([file_operations_iterate_shared], [ #include <linux/fs.h> int iterate(struct file *filp, struct dir_context * context) { return 0; } @@ -12,11 +8,44 @@ AC_DEFUN([ZFS_AC_KERNEL_VFS_ITERATE], [ __attribute__ ((unused)) = { .iterate_shared = iterate, }; - ],[ - ],[ + ],[]) + + ZFS_LINUX_TEST_SRC([file_operations_iterate], [ + #include <linux/fs.h> + 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 + ],[]) + + ZFS_LINUX_TEST_SRC([file_operations_readdir], [ + #include <linux/fs.h> + int readdir(struct file *filp, void *entry, + filldir_t func) { return 0; } + + static const struct file_operations fops + __attribute__ ((unused)) = { + .readdir = readdir, + }; + ],[]) +]) + +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]) + [fops->iterate_shared() is available]) ],[ AC_MSG_RESULT(no) @@ -31,44 +60,23 @@ AC_DEFUN([ZFS_AC_KERNEL_VFS_ITERATE], [ dnl # to using fops.readdir() to retain KABI compatibility. dnl # AC_MSG_CHECKING([whether fops->iterate() is available]) - ZFS_LINUX_TRY_COMPILE([ - #include <linux/fs.h> - 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 - ],[ - ],[ + ZFS_LINUX_TEST_RESULT([file_operations_iterate], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_VFS_ITERATE, 1, - [fops->iterate() is available]) + [fops->iterate() is available]) ],[ AC_MSG_RESULT(no) + dnl # + dnl # readdir interface introduced + dnl # AC_MSG_CHECKING([whether fops->readdir() is available]) - ZFS_LINUX_TRY_COMPILE([ - #include <linux/fs.h> - int readdir(struct file *filp, void *entry, - filldir_t func) { return 0; } - - static const struct file_operations fops - __attribute__ ((unused)) = { - .readdir = readdir, - }; - ],[ - ],[ + ZFS_LINUX_TEST_RESULT([file_operations_readdir], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_VFS_READDIR, 1, - [fops->readdir() is available]) + [fops->readdir() is available]) ],[ - AC_MSG_ERROR(no; file a bug report with ZoL) + ZFS_LINUX_TEST_ERROR([vfs_iterate]) ]) ]) ]) |