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6ca0a6f834
For filesystems that are case insensitive and case preserving, we need to be able to rename from one case folded variant of the filename to another. Currently, if we have looked up the target filename before the call to rename, then we may have a hashed dentry with that target name in the dcache, causing the vfs to optimise away the rename. To avoid that, let's drop the target dentry, and leave it to the server to optimise away the rename if that is the correct thing to do. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.