X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fpower%2Fswap.c;h=b7713b53d07a7a17a97130b81bf9b5946e8f1d29;hb=a622cf69b806bbb1887913c04e01d0c25b892876;hp=917aba100575a45125ee3d98a1cee93553d22d58;hpb=dcb76f88683618ed6ef0df66643dba1285881ee5;p=linux-2.6-omap-h63xx.git diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 917aba10057..b7713b53d07 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include @@ -28,8 +27,6 @@ #include "power.h" -extern char resume_file[]; - #define SWSUSP_SIG "S1SUSPEND" struct swsusp_header { @@ -73,7 +70,8 @@ static int submit(int rw, pgoff_t page_off, struct page *page, 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; } @@ -153,7 +151,7 @@ static int mark_swapfiles(sector_t start, unsigned int flags) 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; @@ -174,13 +172,13 @@ static int swsusp_swap_check(void) /* This is called before saving image */ return res; root_swap = res; - res = blkdev_get(resume_bdev, FMODE_WRITE, O_RDWR); + res = blkdev_get(resume_bdev, FMODE_WRITE); if (res) return res; res = set_blocksize(resume_bdev, PAGE_SIZE); if (res < 0) - blkdev_put(resume_bdev); + blkdev_put(resume_bdev, FMODE_WRITE); return res; } @@ -325,7 +323,8 @@ static int save_image(struct swap_map_handle *handle, 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; @@ -365,7 +364,7 @@ static int enough_swap(unsigned int nr_pages) { 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; } @@ -388,7 +387,7 @@ int swsusp_write(unsigned int flags) 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; } @@ -402,7 +401,7 @@ int swsusp_write(unsigned int flags) } 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; } @@ -417,7 +416,7 @@ int swsusp_write(unsigned int flags) if (!error) { flush_swap_writer(&handle); - printk("S"); + printk(KERN_INFO "PM: S"); error = mark_swapfiles(start, flags); printk("|\n"); } @@ -427,7 +426,7 @@ int swsusp_write(unsigned int flags) release_swap_writer(&handle); out: - swsusp_close(); + swsusp_close(FMODE_WRITE); return error; } @@ -507,7 +506,8 @@ static int load_image(struct swap_map_handle *handle, 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; @@ -558,7 +558,7 @@ int swsusp_read(unsigned int *flags_p) *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); } @@ -574,12 +574,12 @@ int swsusp_read(unsigned int *flags_p) error = load_image(&handle, &snapshot, header->pages - 1); release_swap_reader(&handle); - blkdev_put(resume_bdev); + blkdev_put(resume_bdev, FMODE_READ); 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; } @@ -609,15 +609,15 @@ int swsusp_check(void) return -EINVAL; } if (error) - blkdev_put(resume_bdev); + blkdev_put(resume_bdev, FMODE_READ); 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; } @@ -626,14 +626,14 @@ int swsusp_check(void) * swsusp_close - close swap device. */ -void swsusp_close(void) +void swsusp_close(fmode_t mode) { if (IS_ERR(resume_bdev)) { - pr_debug("swsusp: block device not initialised\n"); + pr_debug("PM: Image device not initialised\n"); return; } - blkdev_put(resume_bdev); + blkdev_put(resume_bdev, mode); /* move up */ } static int swsusp_header_init(void)