Hibernation: Update messages
Make hibernation messages start with one common prefix "PM: " and use
the word "hibernation" in the messages as a synonym of "suspend to
disk".
Turn some KERN_INFO messages into debug ones.
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>
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index ef41440..a0abf9a 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -71,7 +71,8 @@
bio->bi_end_io = end_swap_bio_read;
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
- printk("swsusp: ERROR: adding page to bio at %ld\n", page_off);
+ printk(KERN_ERR "PM: Adding page to bio failed at %ld\n",
+ page_off);
bio_put(bio);
return -EFAULT;
}
@@ -151,7 +152,7 @@
error = bio_write_page(swsusp_resume_block,
swsusp_header, NULL);
} else {
- printk(KERN_ERR "swsusp: Swap header not found!\n");
+ printk(KERN_ERR "PM: Swap header not found!\n");
error = -ENODEV;
}
return error;
@@ -323,7 +324,8 @@
struct timeval start;
struct timeval stop;
- printk("Saving image data pages (%u pages) ... ", nr_to_write);
+ printk(KERN_INFO "PM: Saving image data pages (%u pages) ... ",
+ nr_to_write);
m = nr_to_write / 100;
if (!m)
m = 1;
@@ -363,7 +365,7 @@
{
unsigned int free_swap = count_swap_pages(root_swap, 1);
- pr_debug("swsusp: free swap pages: %u\n", free_swap);
+ pr_debug("PM: Free swap pages: %u\n", free_swap);
return free_swap > nr_pages + PAGES_FOR_IO;
}
@@ -386,7 +388,7 @@
error = swsusp_swap_check();
if (error) {
- printk(KERN_ERR "swsusp: Cannot find swap device, try "
+ printk(KERN_ERR "PM: Cannot find swap device, try "
"swapon -a.\n");
return error;
}
@@ -400,7 +402,7 @@
}
header = (struct swsusp_info *)data_of(snapshot);
if (!enough_swap(header->pages)) {
- printk(KERN_ERR "swsusp: Not enough free swap\n");
+ printk(KERN_ERR "PM: Not enough free swap\n");
error = -ENOSPC;
goto out;
}
@@ -415,7 +417,7 @@
if (!error) {
flush_swap_writer(&handle);
- printk("S");
+ printk(KERN_INFO "PM: S");
error = mark_swapfiles(start, flags);
printk("|\n");
}
@@ -505,7 +507,8 @@
int err2;
unsigned nr_pages;
- printk("Loading image data pages (%u pages) ... ", nr_to_read);
+ printk(KERN_INFO "PM: Loading image data pages (%u pages) ... ",
+ nr_to_read);
m = nr_to_read / 100;
if (!m)
m = 1;
@@ -556,7 +559,7 @@
*flags_p = swsusp_header->flags;
if (IS_ERR(resume_bdev)) {
- pr_debug("swsusp: block device not initialised\n");
+ pr_debug("PM: Image device not initialised\n");
return PTR_ERR(resume_bdev);
}
@@ -575,9 +578,9 @@
blkdev_put(resume_bdev);
if (!error)
- pr_debug("swsusp: Reading resume file was successful\n");
+ pr_debug("PM: Image successfully loaded\n");
else
- pr_debug("swsusp: Error %d resuming\n", error);
+ pr_debug("PM: Error %d resuming\n", error);
return error;
}
@@ -609,13 +612,13 @@
if (error)
blkdev_put(resume_bdev);
else
- pr_debug("swsusp: Signature found, resuming\n");
+ pr_debug("PM: Signature found, resuming\n");
} else {
error = PTR_ERR(resume_bdev);
}
if (error)
- pr_debug("swsusp: Error %d check for resume file\n", error);
+ pr_debug("PM: Error %d checking image file\n", error);
return error;
}
@@ -627,7 +630,7 @@
void swsusp_close(void)
{
if (IS_ERR(resume_bdev)) {
- pr_debug("swsusp: block device not initialised\n");
+ pr_debug("PM: Image device not initialised\n");
return;
}