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c9e4bf607d
resume_store() first calls lookup_bdev() and after tries to handle
maj:min, but it does not reset the error before, hence if you will write
maj:min you will get ENOENT:
# echo 259:2 >| /sys/power/resume
bash: echo: write error: No such file or directory
This also should fix hiberation via systemd, since it uses this way.
Fixes: 1e8c813b08 ("PM: hibernate: don't use early_lookup_bdev in resume_store")
Signed-off-by: Azat Khuzhin <a3at.mail@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[ rjw: Subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.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.