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authorRafael J. Wysocki <rjw@sisk.pl>2007-10-25 19:02:15 -0400
committerLen Brown <len.brown@intel.com>2008-02-01 18:30:53 -0500
commit96f737490cfc368fdafe49769f52fc8460f9349f (patch)
tree5c9df5fcb5e07e479fa988ac5d7d67b38cee87bd /Documentation/power/userland-swsusp.txt
parenteb57c1cf059630454b40fb8bb124e3f318d241f8 (diff)
Hibernation: Mark SNAPSHOT_SET_SWAP_FILE ioctl as deprecated (rev. 2)
Mark the SNAPSHOT_SET_SWAP_FILE ioctl belonging to the hibernation userland interface as deprecated. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/power/userland-swsusp.txt')
-rw-r--r--Documentation/power/userland-swsusp.txt14
1 files changed, 2 insertions, 12 deletions
diff --git a/Documentation/power/userland-swsusp.txt b/Documentation/power/userland-swsusp.txt
index 381e9c0fb9d6..0785500e65fb 100644
--- a/Documentation/power/userland-swsusp.txt
+++ b/Documentation/power/userland-swsusp.txt
@@ -67,23 +67,13 @@ SNAPSHOT_GET_SWAP_PAGE - allocate a swap page from the resume partition
67SNAPSHOT_FREE_SWAP_PAGES - free all swap pages allocated with 67SNAPSHOT_FREE_SWAP_PAGES - free all swap pages allocated with
68 SNAPSHOT_GET_SWAP_PAGE 68 SNAPSHOT_GET_SWAP_PAGE
69 69
70SNAPSHOT_SET_SWAP_FILE - set the resume partition (the last ioctl() argument
71 should specify the device's major and minor numbers in the old
72 two-byte format, as returned by the stat() function in the .st_rdev
73 member of the stat structure)
74
75SNAPSHOT_SET_SWAP_AREA - set the resume partition and the offset (in <PAGE_SIZE> 70SNAPSHOT_SET_SWAP_AREA - set the resume partition and the offset (in <PAGE_SIZE>
76 units) from the beginning of the partition at which the swap header is 71 units) from the beginning of the partition at which the swap header is
77 located (the last ioctl() argument should point to a struct 72 located (the last ioctl() argument should point to a struct
78 resume_swap_area, as defined in kernel/power/power.h, containing the 73 resume_swap_area, as defined in kernel/power/power.h, containing the
79 resume device specification, as for the SNAPSHOT_SET_SWAP_FILE ioctl(), 74 resume device specification and the offset); for swap partitions the
80 and the offset); for swap partitions the offset is always 0, but it is 75 offset is always 0, but it is different from zero for swap files (see
81 different to zero for swap files (please see
82 Documentation/swsusp-and-swap-files.txt for details). 76 Documentation/swsusp-and-swap-files.txt for details).
83 The SNAPSHOT_SET_SWAP_AREA ioctl() is considered as a replacement for
84 SNAPSHOT_SET_SWAP_FILE which is regarded as obsolete. It is
85 recommended to always use this call, because the code to set the resume
86 partition may be removed from future kernels
87 77
88SNAPSHOT_PLATFORM_SUPPORT - enable/disable the hibernation platform support, 78SNAPSHOT_PLATFORM_SUPPORT - enable/disable the hibernation platform support,
89 depending on the argument value (enable, if the argument is nonzero) 79 depending on the argument value (enable, if the argument is nonzero)