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(parent: 3837d20) | patch
Document d_splice_alias() calling conventions for ->lookup() users.
authorAl Viro <viro@zeniv.linux.org.uk>
Wed, 10 Oct 2018 20:52:37 +0000 (16:52 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 10 Oct 2018 20:52:37 +0000 (16:52 -0400)
commit1a16dbaf798c5b68ac767444eb045e6f3adaa16d
treea3e9365becacb65cd1fc6236170665f65196324btree | snapshot
parent3837d208d8fe7437475c4a1c53fa5e517b16ceb0commit | diff
Document d_splice_alias() calling conventions for ->lookup() users.

Short version: it does the right thing when given NULL or ERR_PTR(...)
and its calling conventions are chosen to have minimal PITA when
used in ->lookup() instances.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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