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H A Duser.cdiff ab7e9b067f3d9cbec28cfca51d341efb421b7a51 Thu May 07 09:19:52 CEST 2020 Domenico Andreoli <domenico.andreoli@linux.com> PM: hibernate: Incorporate concurrency handling

Hibernation concurrency handling is currently delegated to user.c,
where it's also used for regulating the access to the snapshot device.

In the prospective of making user.c a separate configuration option,
such mutual exclusion is brought into hibernate.c and made available
through accessor helpers hereby introduced.

Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
H A Dpower.hdiff ab7e9b067f3d9cbec28cfca51d341efb421b7a51 Thu May 07 09:19:52 CEST 2020 Domenico Andreoli <domenico.andreoli@linux.com> PM: hibernate: Incorporate concurrency handling

Hibernation concurrency handling is currently delegated to user.c,
where it's also used for regulating the access to the snapshot device.

In the prospective of making user.c a separate configuration option,
such mutual exclusion is brought into hibernate.c and made available
through accessor helpers hereby introduced.

Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
H A Dhibernate.cdiff ab7e9b067f3d9cbec28cfca51d341efb421b7a51 Thu May 07 09:19:52 CEST 2020 Domenico Andreoli <domenico.andreoli@linux.com> PM: hibernate: Incorporate concurrency handling

Hibernation concurrency handling is currently delegated to user.c,
where it's also used for regulating the access to the snapshot device.

In the prospective of making user.c a separate configuration option,
such mutual exclusion is brought into hibernate.c and made available
through accessor helpers hereby introduced.

Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>