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Al Viro
a4f5b52167
make handle_mounts() always fetch it. This is just the first step - the callers of step_into() will stop trying to calculate the sucker, etc. The passed value should be equal to dentry->d_inode in all cases; in RCU mode - fetched after we'd sampled ->d_seq. Might as well fetch it here. We do need to validate ->d_seq, which duplicates the check currently done in lookup_fast(); that duplication will go away shortly. After that change handle_mounts() always ignores the initial value of *inode and always sets it on success. Signed-off-by: Al Viro <[email protected]>
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.