Fix added in 4.19-rc6:
commit 41c9b1be335b5afc3b5fb71c5d16f9d5939cd13f
Author: Dave Jiang <[email protected]>
Date: Mon Sep 10 16:18:29 2018 -0700
device-dax: Add missing address_space_operations
With address_space_operations missing for device dax, namely the
.set_page_dirty, we hit a kernel warning when running destructive
ndctl unit test: make TESTS=device-dax check
WARNING: CPU: 3 PID: 7380 at fs/buffer.c:581 __set_page_dirty+0xb1/0xc0
Setting address_space_operations to noop_set_page_dirty and
noop_invalidatepage for device dax to prevent fallback to
__set_page_dirty_buffers() and block_invalidatepage() respectively.
Fixes: 2232c6382a ("device-dax: Enable page_mapping()")
Acked-by: Jeff Moyer <[email protected]>
Reported-by: Vishal Verma <[email protected]>
Signed-off-by: Dave Jiang <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Fix Released
** Changed in: intel
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1801246
Title:
[AEP]WARN triggered by the device-dax unit test with 4.19-rc1
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