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c914c0e27e
Use helpers ovl_*xattr() to access user/trusted.overlay.* xattrs and use helpers ovl_do_*xattr() to access generic xattrs. This is a preparatory patch for using idmapped base layers with overlay. Note that a few of those places called vfs_*xattr() calls directly to reduce the amount of debug output. But as Miklos pointed out since overlayfs has been stable for quite some time the debug output isn't all that relevant anymore and the additional debug in all locations was actually quite helpful when developing this patch series. Cc: <linux-unionfs@vger.kernel.org> Tested-by: Giuseppe Scrivano <gscrivan@redhat.com> Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Miklos Szeredi <mszeredi@redhat.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.