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d4dc53dad2
Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap type for mounts (struct mnt_idmap), we need to detect these changes and make zfs work with the new APIs. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Youzhong Yang <yyang@mathworks.com> Closes #14682
48 lines
1.3 KiB
Plaintext
48 lines
1.3 KiB
Plaintext
dnl #
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dnl # 5.12 API
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dnl #
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dnl # generic_fillattr in linux/fs.h now requires a struct user_namespace*
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dnl # as the first arg, to support idmapped mounts.
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dnl #
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dnl # 6.3 API
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dnl # generic_fillattr() now takes struct mnt_idmap* as the first argument
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR], [
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ZFS_LINUX_TEST_SRC([generic_fillattr_userns], [
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#include <linux/fs.h>
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],[
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struct user_namespace *userns = NULL;
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struct inode *in = NULL;
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struct kstat *k = NULL;
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generic_fillattr(userns, in, k);
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])
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ZFS_LINUX_TEST_SRC([generic_fillattr_mnt_idmap], [
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#include <linux/fs.h>
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],[
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struct mnt_idmap *idmap = NULL;
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struct inode *in = NULL;
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struct kstat *k = NULL;
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generic_fillattr(idmap, in, k);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_GENERIC_FILLATTR], [
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AC_MSG_CHECKING([whether generic_fillattr requires struct mnt_idmap*])
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ZFS_LINUX_TEST_RESULT([generic_fillattr_mnt_idmap], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_GENERIC_FILLATTR_IDMAP, 1,
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[generic_fillattr requires struct mnt_idmap*])
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],[
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AC_MSG_CHECKING([whether generic_fillattr requires struct user_namespace*])
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ZFS_LINUX_TEST_RESULT([generic_fillattr_userns], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_GENERIC_FILLATTR_USERNS, 1,
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[generic_fillattr requires struct user_namespace*])
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],[
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AC_MSG_RESULT([no])
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])
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])
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])
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