maple_tree: fix handle of invalidated state in mas_wr_store_setup()

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commit 1202700c3f upstream.

If an invalidated maple state is encountered during write, reset the maple
state to MAS_START.  This will result in a re-walk of the tree to the
correct location for the write.

Link: https://lore.kernel.org/all/20230107020126.1627-1-sj@kernel.org/
Link: https://lkml.kernel.org/r/20230120162650.984577-6-Liam.Howlett@oracle.com
Cc: <Stable@vger.kernel.org>
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Liam R. Howlett 2023-04-11 11:10:45 -04:00 • committed by Greg Kroah-Hartman

parent 2c9bc4903b

commit 19d8f782e3

1 changed files with 3 additions and 0 deletions

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lib/maple_tree.c

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