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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-05-21 15:27:26 -0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-05-21 15:27:26 -0400 |
| commit | ee9a3607fb03e804ddf624544105f4e34260c380 (patch) | |
| tree | ce41b6e0fa10982a306f6c142a92dbf3c9961284 /Documentation/power/userland-swsusp.txt | |
| parent | b492e95be0ae672922f4734acf3f5d35c30be948 (diff) | |
| parent | d515e86e639890b33a09390d062b0831664f04a2 (diff) | |
Merge branch 'master' into for-2.6.35
Conflicts:
fs/ext3/fsync.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'Documentation/power/userland-swsusp.txt')
| -rw-r--r-- | Documentation/power/userland-swsusp.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/power/userland-swsusp.txt b/Documentation/power/userland-swsusp.txt index b967cd9137d..81680f9f590 100644 --- a/Documentation/power/userland-swsusp.txt +++ b/Documentation/power/userland-swsusp.txt | |||
| @@ -24,6 +24,10 @@ assumed to be in the resume mode. The device cannot be open for simultaneous | |||
| 24 | reading and writing. It is also impossible to have the device open more than | 24 | reading and writing. It is also impossible to have the device open more than |
| 25 | once at a time. | 25 | once at a time. |
| 26 | 26 | ||
| 27 | Even opening the device has side effects. Data structures are | ||
| 28 | allocated, and PM_HIBERNATION_PREPARE / PM_RESTORE_PREPARE chains are | ||
| 29 | called. | ||
| 30 | |||
| 27 | The ioctl() commands recognized by the device are: | 31 | The ioctl() commands recognized by the device are: |
| 28 | 32 | ||
| 29 | SNAPSHOT_FREEZE - freeze user space processes (the current process is | 33 | SNAPSHOT_FREEZE - freeze user space processes (the current process is |