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constify d_lookup() arguments
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -1889,7 +1889,7 @@ struct dentry *__d_lookup_rcu(const struct dentry *parent,
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* dentry is returned. The caller must use dput to free the entry when it has
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* finished using it. %NULL is returned if the dentry does not exist.
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*/
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struct dentry *d_lookup(struct dentry *parent, struct qstr *name)
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struct dentry *d_lookup(const struct dentry *parent, const struct qstr *name)
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{
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struct dentry *dentry;
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unsigned seq;
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@ -293,7 +293,7 @@ extern void d_move(struct dentry *, struct dentry *);
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extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
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/* appendix may either be NULL or be used for transname suffixes */
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extern struct dentry *d_lookup(struct dentry *, struct qstr *);
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extern struct dentry *d_lookup(const struct dentry *, const struct qstr *);
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extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *);
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extern struct dentry *__d_lookup(const struct dentry *, const struct qstr *);
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extern struct dentry *__d_lookup_rcu(const struct dentry *parent,
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