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eb73000dbb
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
69 lines
1.8 KiB
Plaintext
69 lines
1.8 KiB
Plaintext
dnl #
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dnl # 4.13 API change
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dnl # Renamed struct wait_queue -> struct wait_queue_entry.
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dnl #
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dnl # N.B. The type check is performed before all other checks
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dnl # since ZFS_AC_KERNEL_SRC_WAIT_QUEUE_HEAD_ENTRY depends on
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dnl # HAVE_WAIT_QUEUE_ENTRY_T being set in confdefs.h.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_WAIT_QUEUE_ENTRY_T], [
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AC_MSG_CHECKING([whether wait_queue_entry_t exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/wait.h>
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],[
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wait_queue_entry_t *entry __attribute__ ((unused));
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_WAIT_QUEUE_ENTRY_T, 1,
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[wait_queue_entry_t exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 4.13 API change
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dnl # Renamed wait_queue_head::task_list -> wait_queue_head::head
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dnl # Renamed wait_queue_entry::task_list -> wait_queue_entry::entry
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_WAIT_QUEUE_HEAD_ENTRY], [
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ZFS_LINUX_TEST_SRC([wait_queue_head_entry], [
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#include <linux/wait.h>
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#ifdef HAVE_WAIT_QUEUE_ENTRY_T
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typedef wait_queue_head_t spl_wait_queue_head_t;
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typedef wait_queue_entry_t spl_wait_queue_entry_t;
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#else
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typedef wait_queue_head_t spl_wait_queue_head_t;
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typedef wait_queue_t spl_wait_queue_entry_t;
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#endif
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],[
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spl_wait_queue_head_t wq_head;
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spl_wait_queue_entry_t wq_entry;
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struct list_head *head __attribute__ ((unused));
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struct list_head *entry __attribute__ ((unused));
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head = &wq_head.head;
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entry = &wq_entry.entry;
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_WAIT_QUEUE_HEAD_ENTRY], [
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AC_MSG_CHECKING([whether wq_head->head and wq_entry->entry exist])
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ZFS_LINUX_TEST_RESULT([wait_queue_head_entry], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_WAIT_QUEUE_HEAD_ENTRY, 1,
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[wq_head->head and wq_entry->entry exist])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_WAIT], [
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ZFS_AC_KERNEL_SRC_WAIT_QUEUE_HEAD_ENTRY
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])
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AC_DEFUN([ZFS_AC_KERNEL_WAIT], [
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ZFS_AC_KERNEL_WAIT_QUEUE_HEAD_ENTRY
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])
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