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Goldwyn Rodrigues
a14b78ad06
btrfs_inode_lock/unlock() are wrappers around inode locks, separating the type of lock and actual locking. - 0 - default, exclusive lock - BTRFS_ILOCK_SHARED - for shared locks, for possible parallel DIO - BTRFS_ILOCK_TRY - for the RWF_NOWAIT sequence The bits SHARED and TRY can be combined together. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> 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.