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0239bd9fa4
XFS does't have file attributes manipulation ioctls for special files. Changing or reading file attributes is rejected for them in xfs_fileattr_*et(). In XFS, this is necessary to work for project quota directories. When project is set up, xfs_quota opens and calls FS_IOC_SETFSXATTR on every inode in the directory. However, special files are skipped due to open() returning a special inode for them. So, they don't even get to this check. The recently added file_getattr/file_setattr will call xfs_fileattr_*et, on special files. This patch allows reading/changing file attributes on special files. Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org>
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 reStructuredText 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.