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49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
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dnl #
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dnl # Linux 2.6.38 - 3.x API
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_FILE_FALLOCATE], [
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AC_MSG_CHECKING([whether fops->fallocate() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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],[
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long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
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struct file_operations fops __attribute__ ((unused)) = {
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.fallocate = fallocate,
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};
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() 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 # Linux 2.6.x - 2.6.37 API
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_INODE_FALLOCATE], [
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AC_MSG_CHECKING([whether iops->fallocate() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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],[
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long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL;
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struct inode_operations fops __attribute__ ((unused)) = {
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.fallocate = fallocate,
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};
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_INODE_FALLOCATE, 1, [fops->fallocate() 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 # The fallocate callback was moved from the inode_operations
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dnl # structure to the file_operations structure.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_FALLOCATE], [
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ZFS_AC_KERNEL_FILE_FALLOCATE
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ZFS_AC_KERNEL_INODE_FALLOCATE
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])
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