diff options
| -rw-r--r-- | Documentation/power/userland-swsusp.txt | 14 | ||||
| -rw-r--r-- | kernel/power/power.h | 1 | ||||
| -rw-r--r-- | kernel/power/user.c | 9 |
3 files changed, 7 insertions, 17 deletions
diff --git a/Documentation/power/userland-swsusp.txt b/Documentation/power/userland-swsusp.txt index 381e9c0..0785500 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 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) diff --git a/kernel/power/power.h b/kernel/power/power.h index 6ca85fd..8837ea3 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -154,7 +154,6 @@ struct resume_swap_area { #define SNAPSHOT_AVAIL_SWAP _IOR(SNAPSHOT_IOC_MAGIC, 7, void *) #define SNAPSHOT_GET_SWAP_PAGE _IOR(SNAPSHOT_IOC_MAGIC, 8, void *) #define SNAPSHOT_FREE_SWAP_PAGES _IO(SNAPSHOT_IOC_MAGIC, 9) -#define SNAPSHOT_SET_SWAP_FILE _IOW(SNAPSHOT_IOC_MAGIC, 10, unsigned int) #define SNAPSHOT_S2RAM _IO(SNAPSHOT_IOC_MAGIC, 11) #define SNAPSHOT_SET_SWAP_AREA _IOW(SNAPSHOT_IOC_MAGIC, 13, \ struct resume_swap_area) diff --git a/kernel/power/user.c b/kernel/power/user.c index de3fb43..5e866e0 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -29,10 +29,11 @@ #include "power.h" /* - * NOTE: The SNAPSHOT_PMOPS ioctl is obsolete and will be removed in the - * future. It is only preserved here for compatibility with existing userland - * utilities. + * NOTE: The SNAPSHOT_SET_SWAP_FILE and SNAPSHOT_PMOPS ioctls are obsolete and + * will be removed in the future. They are only preserved here for + * compatibility with existing userland utilities. */ +#define SNAPSHOT_SET_SWAP_FILE _IOW(SNAPSHOT_IOC_MAGIC, 10, unsigned int) #define SNAPSHOT_PMOPS _IOW(SNAPSHOT_IOC_MAGIC, 12, unsigned int) #define PMOPS_PREPARE 1 @@ -260,7 +261,7 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, free_all_swap_pages(data->swap); break; - case SNAPSHOT_SET_SWAP_FILE: + case SNAPSHOT_SET_SWAP_FILE: /* This ioctl is deprecated */ if (!swsusp_swap_in_use()) { /* * User space encodes device types as two-byte values, |