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251babb55d
fsck removes bucket_gens keys for devices that do not exist in the volume (i.e., if the device was removed). In 'fsck -n' mode, the associated fsck_err_on() wrapper returns false to skip the key removal. This proceeds on to the rest of the function, which eventually segfaults on a NULL bch_dev because the device does not exist. Update bch2_check_bucket_gens_key() to skip out of the rest of the function when the associated device does not exist, regardless of running fsck in check or repair mode. Signed-off-by: Brian Foster <bfoster@redhat.com> 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 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.