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Zhihao Cheng 3cc64e7ebf btrfs: clarify error returns values in __load_free_space_cache 
Return value in __load_free_space_cache is not properly set after
(unlikely) memory allocation failures and 0 is returned instead.
This is not a problem for the caller load_free_space_cache because only
value 1 is considered as 'cache loaded' but for clarity it's better
to set the errors accordingly.

Fixes: a67509c300 ("Btrfs: add a io_ctl struct and helpers for dealing with the space cache")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-02-08 22:58:49 +01:00
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drivers libnvdimm for 5.11-rc7 2021-02-07 10:45:26 -08:00
fs btrfs: clarify error returns values in __load_free_space_cache 2021-02-08 22:58:49 +01:00
include - Prevent device managed IRQ allocation helpers from returning IRQ 0. 2021-02-07 10:25:01 -08:00
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kernel tracing: Fix output of top level event "enable" file 2021-02-08 11:32:39 -08:00
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Makefile Linux 5.11-rc7 2021-02-07 13:57:38 -08:00
README

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 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.