CVS commit: [netbsd-9] src

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Tue Jul  6 04:22:35 UTC 2021

Modified Files:
        src/external/cddl/osnet/dist/uts/common/fs/zfs [netbsd-9]: zfs_vnops.c
        src/sys/rump/librump/rumpkern [netbsd-9]: vm.c
        src/sys/rump/librump/rumpvfs [netbsd-9]: vm_vfs.c
        src/sys/uvm [netbsd-9]: uvm_anon.c uvm_page.c uvm_pager.c
        src/tests/rump/rumpkern [netbsd-9]: t_vm.c

Log Message:
Pull up following revision(s) - all via patch -
(requested by riastradh in ticket #1317):

        sys/uvm/uvm_page.c: revision 1.248
        sys/uvm/uvm_anon.c: revision 1.80
        sys/rump/librump/rumpvfs/vm_vfs.c: revision 1.40
        sys/rump/librump/rumpvfs/vm_vfs.c: revision 1.41
        sys/rump/librump/rumpkern/vm.c: revision 1.191
        sys/uvm/uvm_pager.c: revision 1.130
        external/cddl/osnet/dist/uts/common/fs/zfs/zfs_vnops.c: revision 1.71
        tests/rump/rumpkern/t_vm.c: revision 1.5
        tests/rump/rumpkern/t_vm.c: revision 1.6
        sys/rump/librump/rumpvfs/vm_vfs.c: revision 1.39

Move the handling of PG_PAGEOUT from uvm_aio_aiodone_pages() to
uvm_page_unbusy() so that all callers of uvm_page_unbusy() don't need to
handle this flag separately.  Split out the pages part of uvm_aio_aiodone()
into uvm_aio_aiodone_pages() in rump just like in the real kernel.

In ZFS functions that can fail to copy data between the ARC and VM pages,
use uvm_aio_aiodone_pages() rather than uvm_page_unbusy() so that we can
handle these "I/O" errors.  Fixes PR 55702.

fix an incorrect assertion in the previous commit.

Handle PG_PAGEOUT in uvm_anon_release() too.

Commit the ZFS file that I forgot in this previous commit:

Move the handling of PG_PAGEOUT from uvm_aio_aiodone_pages() to
uvm_page_unbusy() so that all callers of uvm_page_unbusy() don't need to
handle this flag separately.  Split out the pages part of uvm_aio_aiodone()
into uvm_aio_aiodone_pages() in rump just like in the real kernel.

In ZFS functions that can fail to copy data between the ARC and VM pages,
use uvm_aio_aiodone_pages() rather than uvm_page_unbusy() so that we can
handle these "I/O" errors.  Fixes PR 55702.
update the rump copy of uvm_page_unbusy() to match the real version,
in particular handle PG_PAGEOUT.  fixes a few atf tests.
the busypage test is buggy, expect it to fail.

make rump's uvm_aio_aiodone_pages() look more like the kernel version.
fixes some more rumpy assertions.

for the busypage test, replace atf_tc_expect_fail() with atf_tc_skip()
because atf apparently has no way to expect a test program to crash.
fixes PR 55945.


To generate a diff of this commit:
cvs rdiff -u -r1.50.2.9 -r1.50.2.10 \
    src/external/cddl/osnet/dist/uts/common/fs/zfs/zfs_vnops.c
cvs rdiff -u -r1.173 -r1.173.14.1 src/sys/rump/librump/rumpkern/vm.c
cvs rdiff -u -r1.34 -r1.34.34.1 src/sys/rump/librump/rumpvfs/vm_vfs.c
cvs rdiff -u -r1.64 -r1.64.8.1 src/sys/uvm/uvm_anon.c
cvs rdiff -u -r1.199 -r1.199.4.1 src/sys/uvm/uvm_page.c
cvs rdiff -u -r1.111.8.1 -r1.111.8.2 src/sys/uvm/uvm_pager.c
cvs rdiff -u -r1.4 -r1.4.16.1 src/tests/rump/rumpkern/t_vm.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.