XArray: Document the locking requirement for the xa_state

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It wasn't obvious to all readers that it's unsafe to reuse an xa_state
after dropping the xas_lock() or the rcu_read_lock().

Reported-by: Charan Teja Kalla <charante@codeaurora.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

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Matthew Wilcox (Oracle) 2021-12-13 23:03:54 -05:00

parent 1f2cfdd349

commit ac23d1a964

1 changed files with 9 additions and 5 deletions

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Documentation/core-api/xarray.rst

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