vfs: Document the effect of d_revalidate on d_find_alias

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d_drop or check_submounts_and_drop called from d_revalidate can result
in renamed directories with child dentries being unhashed.  These
renamed and drop directory dentries can be rehashed after
d_materialise_unique uses d_find_alias to find them.

Reviewed-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Eric W. Biederman 2014-02-12 16:08:06 -08:00 • committed by Al Viro

parent 9ea459e110

commit 3ccb354d64

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fs/dcache.c

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