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e9a05cf31b
Up to commit32955c5422("btrfs: switch to discard_new_inode()") the drop_on_err variable in btrfs_mkdir() was used to check whether the inode had to be dropped via iput(). After commit32955c5422("btrfs: switch to discard_new_inode()") discard_new_inode() is called when err is set and inode is non NULL. Therefore drop_on_err is not used anymore and thus causes a warning when building with -Wunused-but-set-variable. Reviewed-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: David Sterba <dsterba@suse.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.