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PM: hibernate: fix docs for ioctls that return loff_t via pointer 

Correctly document how the SNAPSHOT_GET_IMAGE_SIZE and
SNAPSHOT_AVAIL_SWAP_SIZE ioctls return their result.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Eric Biggers 2020-03-07 19:22:16 -08:00 committed by Rafael J. Wysocki
parent 2591e7b17c
commit 51995ff512
1 changed files with 5 additions and 3 deletions
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8
Documentation/power/userland-swsusp.rst
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@ -69,11 +69,13 @@ SNAPSHOT_PREF_IMAGE_SIZE
SNAPSHOT_GET_IMAGE_SIZE
return the actual size of the hibernation image
(the last argument should be a pointer to a loff_t variable that
will contain the result if the call is successful)
SNAPSHOT_AVAIL_SWAP_SIZE
return the amount of available swap in bytes (the
last argument should be a pointer to an unsigned int variable that will
contain the result if the call is successful).
return the amount of available swap in bytes
(the last argument should be a pointer to a loff_t variable that
will contain the result if the call is successful)
SNAPSHOT_ALLOC_SWAP_PAGE
allocate a swap page from the resume partition