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f3d4c79496
This API has been available since kernel 5.2, and having it available (almost) everywhere should give us a lot more flexibility for mount management in the future. Sponsored-by: TrueNAS Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <rob.norris@truenas.com> Closes #18260
34 lines
1.0 KiB
Plaintext
34 lines
1.0 KiB
Plaintext
dnl # SPDX-License-Identifier: CDDL-1.0
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dnl #
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dnl # 2.6.38 API change
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dnl # The .get_sb callback has been replaced by a .mount callback
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dnl # in the file_system_type structure.
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dnl #
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dnl # 5.2 API change
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dnl # The new fs_context-based filesystem API is introduced, with the old
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dnl # one (via file_system_type.mount) preserved as a compatibility shim.
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dnl #
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dnl # 7.0 API change
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dnl # Compatibility shim removed, so all callers must go through the mount API.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_FS_CONTEXT], [
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ZFS_LINUX_TEST_SRC([fs_context], [
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#include <linux/fs.h>
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#include <linux/fs_context.h>
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],[
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static struct fs_context fs __attribute__ ((unused)) = { 0 };
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static struct fs_context *fsp __attribute__ ((unused));
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fsp = vfs_dup_fs_context(&fs);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_FS_CONTEXT], [
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AC_MSG_CHECKING([whether fs_context exists])
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ZFS_LINUX_TEST_RESULT([fs_context], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_FS_CONTEXT, 1, [fs_context 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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