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[ Upstream commit 68539bd0e73b457f88a9d00cabb6533ec8582dc9 ] Update the comment for the lock named "lock" in struct btrfs_inode because it does not mention that the fields "delalloc_bytes", "defrag_bytes", "csum_bytes", "outstanding_extents" and "disk_i_size" are also protected by that lock. Also add a comment on top of each field protected by this lock to mention that the lock protects them. Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Stable-dep-of: 7ee85f5515e8 ("btrfs: fix race setting file private on concurrent lseek using same fd") Signed-off-by: Sasha Levin <sashal@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.