lookup_one_len
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## Name

lookup_one_len — filesystem helper to lookup single pathname component

## Synopsis

`struct dentry * lookup_one_len (` | const char * name,
| struct dentry * base,
| int len`)`;

## Arguments

`name`

  pathname component to lookup

`base`

  base directory to lookup from

`len`

  maximum length `len` should be interpreted to

## Description

Note that this routine is purely a helper for filesystem usage and should not be called by generic code. Also note that by using this function the nameidata argument is passed to the filesystem methods and a filesystem using this helper needs to be prepared for that.

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