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6d752cacae
The BTRFS_IOC_SYNC ioctl wants to wake up the cleaner kthread so that it does any pending work (subvolume deletion, delayed iputs, etc), however it is waking up the transaction kthread, which in turn wakes up the cleaner. Since we don't have any transaction to commit, as any ongoing transaction was already committed when it called btrfs_sync_fs() and the goal is just to wake up the cleaner thread, directly wake up the cleaner instead of the transaction kthread. Reviewed-by: Boris Burkov <boris@bur.io> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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| README | ||
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.