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1cd81faaf6
Move the check that the inode really is a shmemfs one from shmem_read_folio_gfp to shmem_get_folio_gfp given that shmem_get_folio can also be called from outside of shmem.c. Also turn it into a WARN_ON_ONCE and error return instead of BUG_ON to be less severe. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: "Matthew Wilcox (Oracle)" <willy@infradead.org> Reviewed-by: "Darrick J. Wong" <djwong@kernel.org> Signed-off-by: Chandan Babu R <chandanbabu@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 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.