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Hibernation: Mark SNAPSHOT_SET_SWAP_FILE ioctl as deprecated (rev. 2)

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Mark the SNAPSHOT_SET_SWAP_FILE ioctl belonging to the hibernation userland
interface as deprecated.

Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Rafael J. Wysocki 2007-10-26 01:02:15 +02:00 • committed by Len Brown
commit 96f737490c
3 changed files with 7 additions and 17 deletions
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14
Documentation/power/userland-swsusp.txt
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@ -67,23 +67,13 @@ SNAPSHOT_GET_SWAP_PAGE - allocate a swap page from the resume partition
SNAPSHOT_FREE_SWAP_PAGES - free all swap pages allocated with
SNAPSHOT_GET_SWAP_PAGE
SNAPSHOT_SET_SWAP_FILE - set the resume partition (the last ioctl() argument
should specify the device's major and minor numbers in the old
two-byte format, as returned by the stat() function in the .st_rdev
member of the stat structure)
SNAPSHOT_SET_SWAP_AREA - set the resume partition and the offset (in <PAGE_SIZE>
units) from the beginning of the partition at which the swap header is
located (the last ioctl() argument should point to a struct
resume_swap_area, as defined in kernel/power/power.h, containing the
resume device specification, as for the SNAPSHOT_SET_SWAP_FILE ioctl(),
and the offset); for swap partitions the offset is always 0, but it is
different to zero for swap files (please see
resume device specification and the offset); for swap partitions the
offset is always 0, but it is different from zero for swap files (see
Documentation/swsusp-and-swap-files.txt for details).
The SNAPSHOT_SET_SWAP_AREA ioctl() is considered as a replacement for
SNAPSHOT_SET_SWAP_FILE which is regarded as obsolete. It is
recommended to always use this call, because the code to set the resume
partition may be removed from future kernels
SNAPSHOT_PLATFORM_SUPPORT - enable/disable the hibernation platform support,
depending on the argument value (enable, if the argument is nonzero)