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08d14d90a4
We're going to be speeding up snapshot deletion, by only having it process the extents/dirents/xattrs btrees if an inode of a given snapshot ID was present. This raises the possibility of 'bkey_in_missing_snapshot' errors popping up, if we ever accidentally don't do the corresponding inode update, or if the new algorithm has bugs. So we'll want to be able to differentiate more definitively between 'snapshot went missing' (and perhaps needs to be reconstructed), and 'key in snapshot that was deleted'. So instead of deleting snapshot IDs, we'll be adding a new deleted flag and leaving them permanently. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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.