fs: dcache: Use READ_ONCE when accessing i_dir_seq
i_dir_seq is subject to concurrent modification by a cmpxchg or store-release operation, so ensure that the relaxed access in d_alloc_parallel uses READ_ONCE. Reported-by:Peter Zijlstra <peterz@infradead.org> Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
parent
015555fd
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