diff options
Diffstat (limited to 'sys/kern/subr_hibernate.c')
| -rw-r--r-- | sys/kern/subr_hibernate.c | 113 |
1 files changed, 12 insertions, 101 deletions
diff --git a/sys/kern/subr_hibernate.c b/sys/kern/subr_hibernate.c index 5edd5dc48be..7f585ebdb13 100644 --- a/sys/kern/subr_hibernate.c +++ b/sys/kern/subr_hibernate.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_hibernate.c,v 1.41 2012/07/11 16:19:04 mlarkin Exp $ */ +/* $OpenBSD: subr_hibernate.c,v 1.42 2012/07/12 09:44:09 mlarkin Exp $ */ /* * Copyright (c) 2011 Ariane van der Steldt <ariane@stack.nl> @@ -797,7 +797,7 @@ void hibernate_inflate_region(union hibernate_info *hiber_info, paddr_t dest, paddr_t src, size_t size) { - int rle, end_stream = 0 ; + int end_stream = 0 ; struct hibernate_zlib_state *hibernate_state; hibernate_state = (struct hibernate_zlib_state *)HIBERNATE_HIBALLOC_PAGE; @@ -809,19 +809,6 @@ hibernate_inflate_region(union hibernate_info *hiber_info, paddr_t dest, /* Flush cache and TLB */ hibernate_flush(); - /* Consume RLE skipped pages */ - do { - rle = hibernate_get_next_rle(); - if (rle == -1) { - end_stream = 1; - goto next_page; - } - - if (rle != 0) - dest += (rle * PAGE_SIZE); - - } while (rle != 0); - /* * Is this a special page? If yes, redirect the * inflate output to a scratch page (eg, discard it) @@ -838,7 +825,6 @@ hibernate_inflate_region(union hibernate_info *hiber_info, paddr_t dest, hibernate_flush(); end_stream = hibernate_inflate_page(); -next_page: dest += PAGE_SIZE; } while (!end_stream); } @@ -1252,7 +1238,7 @@ hibernate_write_chunks(union hibernate_info *hiber_info) struct hibernate_disk_chunk *chunks; vaddr_t hibernate_io_page = hiber_info->piglet_va + PAGE_SIZE; daddr_t blkctr = hiber_info->image_offset, offset = 0; - int i, rle; + int i; struct hibernate_zlib_state *hibernate_state; hibernate_state = (struct hibernate_zlib_state *)HIBERNATE_HIBALLOC_PAGE; @@ -1333,81 +1319,6 @@ hibernate_write_chunks(union hibernate_info *hiber_info) temp_inaddr = (inaddr & PAGE_MASK) + hibernate_copy_page; - if (hibernate_inflate_skip(hiber_info, inaddr)) - rle = 1; - else - rle = uvm_page_rle(inaddr); - - while (rle != 0 && inaddr < range_end) { - hibernate_state->hib_stream.next_in = - (char *)&rle; - hibernate_state->hib_stream.avail_in = - sizeof(rle); - hibernate_state->hib_stream.next_out = - (caddr_t)hibernate_io_page + - (PAGE_SIZE - out_remaining); - hibernate_state->hib_stream.avail_out = - out_remaining; - - if (deflate(&hibernate_state->hib_stream, - Z_PARTIAL_FLUSH) != Z_OK) - return (1); - - out_remaining = - hibernate_state->hib_stream.avail_out; - inaddr += (rle * PAGE_SIZE); - if (inaddr > range_end) - inaddr = range_end; - else - rle = uvm_page_rle(inaddr); - } - - if (out_remaining == 0) { - /* Filled up the page */ - nblocks = PAGE_SIZE / hiber_info->secsize; - - if (hiber_info->io_func(hiber_info->device, - blkctr, (vaddr_t)hibernate_io_page, - PAGE_SIZE, HIB_W, hiber_info->io_page)) - return (1); - - blkctr += nblocks; - out_remaining = PAGE_SIZE; - } - - /* Write '0' RLE code */ - if (inaddr < range_end) { - hibernate_state->hib_stream.next_in = - (char *)&rle; - hibernate_state->hib_stream.avail_in = - sizeof(rle); - hibernate_state->hib_stream.next_out = - (caddr_t)hibernate_io_page + - (PAGE_SIZE - out_remaining); - hibernate_state->hib_stream.avail_out = - out_remaining; - - if (deflate(&hibernate_state->hib_stream, - Z_PARTIAL_FLUSH) != Z_OK) - return (1); - - out_remaining = - hibernate_state->hib_stream.avail_out; - } - - if (out_remaining == 0) { - /* Filled up the page */ - nblocks = PAGE_SIZE / hiber_info->secsize; - - if (hiber_info->io_func(hiber_info->device, - blkctr, (vaddr_t)hibernate_io_page, - PAGE_SIZE, HIB_W, hiber_info->io_page)) - return (1); - - blkctr += nblocks; - out_remaining = PAGE_SIZE; - } - /* Deflate from temp_inaddr to IO page */ if (inaddr != range_end) { pmap_kenter_pa(hibernate_temp_page, @@ -1421,18 +1332,18 @@ hibernate_write_chunks(union hibernate_info *hiber_info) inaddr += hibernate_deflate(hiber_info, temp_inaddr, &out_remaining); } - } - if (out_remaining == 0) { - /* Filled up the page */ - nblocks = PAGE_SIZE / hiber_info->secsize; + if (out_remaining == 0) { + /* Filled up the page */ + nblocks = PAGE_SIZE / hiber_info->secsize; - if (hiber_info->io_func(hiber_info->device, - blkctr, (vaddr_t)hibernate_io_page, - PAGE_SIZE, HIB_W, hiber_info->io_page)) - return (1); + if (hiber_info->io_func(hiber_info->device, + blkctr, (vaddr_t)hibernate_io_page, + PAGE_SIZE, HIB_W, hiber_info->io_page)) + return (1); - blkctr += nblocks; + blkctr += nblocks; + } } } |