Coly Li 0ae49cb7aa bcache: fix return value error in bch_journal_read()
When everything is OK in bch_journal_read(), finally the return value
is returned by,
	return ret;
which assumes ret will be 0 here. This assumption is wrong when all
journal buckets as are full and filled with valid journal entries. In
such cache the last location referencess read_bucket() sets 'ret' to
1, which means new jset added into jset list. The jset list is list
'journal' in caller run_cache_set().

Return 1 to run_cache_set() means something wrong and the cache set
won't start, but indeed everything is OK.

This patch changes the line at end of bch_journal_read() to directly
return 0 since everything if verything is good. Then a bogus error
is fixed.

Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-28 07:39:14 -06:00
2019-06-27 07:34:25 -06:00
2019-06-27 07:34:25 -06:00
2019-06-13 17:34:56 -10:00
2019-06-08 20:24:46 -07:00

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.
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