Commit 2e4d5822 authored by Pavel Machek's avatar Pavel Machek Committed by Linus Torvalds
Browse files

[PATCH] swsusp: cleanup whitespace



The following patch cleans up whitespace in swsusp.c (a bit):

- removes any trailing whitespace

- adds spaces after if, for, for_each_pbe, for_each_zone etc., wherever
  necessary.
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: default avatarPavel Machek <pavel@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8f9bdf15
......@@ -10,12 +10,12 @@
* This file is released under the GPLv2.
*
* I'd like to thank the following people for their work:
*
*
* Pavel Machek <pavel@ucw.cz>:
* Modifications, defectiveness pointing, being with me at the very beginning,
* suspend to swap space, stop all tasks. Port to 2.4.18-ac and 2.5.17.
*
* Steve Doddi <dirk@loth.demon.co.uk>:
* Steve Doddi <dirk@loth.demon.co.uk>:
* Support the possibility of hardware state restoring.
*
* Raph <grey.havens@earthling.net>:
......@@ -84,11 +84,11 @@ extern char resume_file[];
static unsigned int nr_copy_pages __nosavedata = 0;
/* Suspend pagedir is allocated before final copy, therefore it
must be freed after resume
must be freed after resume
Warning: this is evil. There are actually two pagedirs at time of
resume. One is "pagedir_save", which is empty frame allocated at
time of suspend, that must be freed. Second is "pagedir_nosave",
time of suspend, that must be freed. Second is "pagedir_nosave",
allocated at time of resume, that travels through memory not to
collide with anything.
......@@ -132,7 +132,7 @@ static int mark_swapfiles(swp_entry_t prev)
{
int error;
rw_swap_page_sync(READ,
rw_swap_page_sync(READ,
swp_entry(root_swap, 0),
virt_to_page((unsigned long)&swsusp_header));
if (!memcmp("SWAP-SPACE",swsusp_header.sig, 10) ||
......@@ -140,7 +140,7 @@ static int mark_swapfiles(swp_entry_t prev)
memcpy(swsusp_header.orig_sig,swsusp_header.sig, 10);
memcpy(swsusp_header.sig,SWSUSP_SIG, 10);
swsusp_header.swsusp_info = prev;
error = rw_swap_page_sync(WRITE,
error = rw_swap_page_sync(WRITE,
swp_entry(root_swap, 0),
virt_to_page((unsigned long)
&swsusp_header));
......@@ -174,22 +174,22 @@ static int is_resume_device(const struct swap_info_struct *swap_info)
static int swsusp_swap_check(void) /* This is called before saving image */
{
int i, len;
len=strlen(resume_file);
root_swap = 0xFFFF;
swap_list_lock();
for(i=0; i<MAX_SWAPFILES; i++) {
for (i=0; i<MAX_SWAPFILES; i++) {
if (swap_info[i].flags == 0) {
swapfile_used[i]=SWAPFILE_UNUSED;
} else {
if(!len) {
if (!len) {
printk(KERN_WARNING "resume= option should be used to set suspend device" );
if(root_swap == 0xFFFF) {
if (root_swap == 0xFFFF) {
swapfile_used[i] = SWAPFILE_SUSPEND;
root_swap = i;
} else
swapfile_used[i] = SWAPFILE_IGNORED;
swapfile_used[i] = SWAPFILE_IGNORED;
} else {
/* we ignore all swap devices that are not the resume_file */
if (is_resume_device(&swap_info[i])) {
......@@ -209,15 +209,15 @@ static int swsusp_swap_check(void) /* This is called before saving image */
* This is called after saving image so modification
* will be lost after resume... and that's what we want.
* we make the device unusable. A new call to
* lock_swapdevices can unlock the devices.
* lock_swapdevices can unlock the devices.
*/
static void lock_swapdevices(void)
{
int i;
swap_list_lock();
for(i = 0; i< MAX_SWAPFILES; i++)
if(swapfile_used[i] == SWAPFILE_IGNORED) {
for (i = 0; i< MAX_SWAPFILES; i++)
if (swapfile_used[i] == SWAPFILE_IGNORED) {
swap_info[i].flags ^= 0xFF;
}
swap_list_unlock();
......@@ -229,7 +229,7 @@ static void lock_swapdevices(void)
* @loc: Place to store the entry we used.
*
* Allocate a new swap entry and 'sync' it. Note we discard -EIO
* errors. That is an artifact left over from swsusp. It did not
* errors. That is an artifact left over from swsusp. It did not
* check the return of rw_swap_page_sync() at all, since most pages
* written back to swap would return -EIO.
* This is a partial improvement, since we will at least return other
......@@ -241,7 +241,7 @@ static int write_page(unsigned long addr, swp_entry_t * loc)
int error = 0;
entry = get_swap_page();
if (swp_offset(entry) &&
if (swp_offset(entry) &&
swapfile_used[swp_type(entry)] == SWAPFILE_SUSPEND) {
error = rw_swap_page_sync(WRITE, entry,
virt_to_page(addr));
......@@ -257,7 +257,7 @@ static int write_page(unsigned long addr, swp_entry_t * loc)
/**
* data_free - Free the swap entries used by the saved image.
*
* Walk the list of used swap entries and free each one.
* Walk the list of used swap entries and free each one.
* This is only used for cleanup when suspend fails.
*/
static void data_free(void)
......@@ -290,7 +290,7 @@ static int data_write(void)
mod = 1;
printk( "Writing data to swap (%d pages)... ", nr_copy_pages );
for_each_pbe(p, pagedir_nosave) {
for_each_pbe (p, pagedir_nosave) {
if (!(i%mod))
printk( "\b\b\b\b%3d%%", i / mod );
if ((error = write_page(p->address, &(p->swap_address))))
......@@ -335,7 +335,7 @@ static int close_swap(void)
dump_info();
error = write_page((unsigned long)&swsusp_info, &entry);
if (!error) {
if (!error) {
printk( "S" );
error = mark_swapfiles(entry);
printk( "|\n" );
......@@ -370,7 +370,7 @@ static int write_pagedir(void)
struct pbe * pbe;
printk( "Writing pagedir...");
for_each_pb_page(pbe, pagedir_nosave) {
for_each_pb_page (pbe, pagedir_nosave) {
if ((error = write_page((unsigned long)pbe, &swsusp_info.pagedir[n++])))
return error;
}
......@@ -472,7 +472,7 @@ static int save_highmem(void)
int res = 0;
pr_debug("swsusp: Saving Highmem\n");
for_each_zone(zone) {
for_each_zone (zone) {
if (is_highmem(zone))
res = save_highmem_zone(zone);
if (res)
......@@ -547,7 +547,7 @@ static void count_data_pages(void)
nr_copy_pages = 0;
for_each_zone(zone) {
for_each_zone (zone) {
if (is_highmem(zone))
continue;
mark_free_pages(zone);
......@@ -562,9 +562,9 @@ static void copy_data_pages(void)
struct zone *zone;
unsigned long zone_pfn;
struct pbe * pbe = pagedir_nosave;
pr_debug("copy_data_pages(): pages to copy: %d\n", nr_copy_pages);
for_each_zone(zone) {
for_each_zone (zone) {
if (is_highmem(zone))
continue;
mark_free_pages(zone);
......@@ -702,7 +702,7 @@ static void free_image_pages(void)
{
struct pbe * p;
for_each_pbe(p, pagedir_save) {
for_each_pbe (p, pagedir_save) {
if (p->address) {
ClearPageNosave(virt_to_page(p->address));
free_page(p->address);
......@@ -719,7 +719,7 @@ static int alloc_image_pages(void)
{
struct pbe * p;
for_each_pbe(p, pagedir_save) {
for_each_pbe (p, pagedir_save) {
p->address = get_zeroed_page(GFP_ATOMIC | __GFP_COLD);
if (!p->address)
return -ENOMEM;
......@@ -740,7 +740,7 @@ void swsusp_free(void)
/**
* enough_free_mem - Make sure we enough free memory to snapshot.
*
* Returns TRUE or FALSE after checking the number of available
* Returns TRUE or FALSE after checking the number of available
* free pages.
*/
......@@ -758,11 +758,11 @@ static int enough_free_mem(void)
/**
* enough_swap - Make sure we have enough swap to save the image.
*
* Returns TRUE or FALSE after checking the total amount of swap
* Returns TRUE or FALSE after checking the total amount of swap
* space avaiable.
*
* FIXME: si_swapinfo(&i) returns all swap devices information.
* We should only consider resume_device.
* We should only consider resume_device.
*/
static int enough_swap(void)
......@@ -827,8 +827,8 @@ static int suspend_prepare_image(void)
error = swsusp_alloc();
if (error)
return error;
/* During allocating of suspend pagedir, new cold pages may appear.
/* During allocating of suspend pagedir, new cold pages may appear.
* Kill them.
*/
drain_local_pages();
......@@ -1030,7 +1030,7 @@ static struct pbe * swsusp_pagedir_relocate(struct pbe *pblist)
/* Set page flags */
for_each_zone(zone) {
for_each_zone (zone) {
for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn)
SetPageNosaveFree(pfn_to_page(zone_pfn +
zone->zone_start_pfn));
......
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