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Removing old code outside of 4.18 kernsls

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There were checks still in place to verify we could completely use
iov_iter's on the Linux side. All interfaces are available as of kernel
4.18, so there is no reason to check whether we should use that
interface at this point. This PR completely removes the UIO_USERSPACE
type. It also removes the check for the direct_IO interface checks.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Brian Atkinson <batkinson@lanl.gov>
Closes #16856
This commit is contained in:
Brian Atkinson
2024-12-02 18:04:56 -07:00
committed by Brian Behlendorf
parent acda137d8c
commit c6442bd3b6
7 changed files with 26 additions and 324 deletions
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config/kernel.m4
-2
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@@ -79,7 +79,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO
ZFS_AC_KERNEL_SRC_VFS_MIGRATE_FOLIO
ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO
ZFS_AC_KERNEL_SRC_VFS_READPAGES
ZFS_AC_KERNEL_SRC_VFS_SET_PAGE_DIRTY_NOBUFFERS
ZFS_AC_KERNEL_SRC_VFS_IOV_ITER
@@ -190,7 +189,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_VFS_READ_FOLIO
ZFS_AC_KERNEL_VFS_MIGRATE_FOLIO
ZFS_AC_KERNEL_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_VFS_DIRECT_IO
ZFS_AC_KERNEL_VFS_READPAGES
ZFS_AC_KERNEL_VFS_SET_PAGE_DIRTY_NOBUFFERS
ZFS_AC_KERNEL_VFS_IOV_ITER