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6ed05643dd
Pull creating the qgroup earlier in the snapshot. This allows simple quotas qgroups to see all the metadata writes related to the snapshot being created and to be born with the root node accounted. Note this has an impact on transaction commit where the qgroup creation can do a lot of work, allocate memory and take locks. The change is done for correctness, potential performance issues will be fixed in the future. Signed-off-by: Boris Burkov <boris@bur.io> [ add note ] 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.