d_materialise_unique
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## Name

d_materialise_unique — introduce an inode into the tree

## Synopsis

`struct dentry * d_materialise_unique (` | struct dentry * dentry,
| struct inode * inode`)`;

## Arguments

`dentry`

  candidate dentry

`inode`

  inode to bind to the dentry, to which aliases may be attached

## Description

Introduces an dentry into the tree, substituting an extant disconnected root directory alias in its place if there is one. Caller must hold the i_mutex of the parent directory.

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