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pm: use bio op accessors

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Separate the op from the rq_flag_bits and have the pm code
set/get the bio using bio_set_op_attrs/bio_op.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Mike Christie 2016-06-05 14:32:02 -05:00 committed by Jens Axboe
parent 0d16dcfed7
commit 162b99e311
1 changed files with 18 additions and 12 deletions
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30
kernel/power/swap.c
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@ -261,7 +261,7 @@ static void hib_end_io(struct bio *bio)
bio_put(bio);
}
static int hib_submit_io(int rw, pgoff_t page_off, void *addr,
static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
struct hib_bio_batch *hb)
{
struct page *page = virt_to_page(addr);
@ -271,7 +271,7 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr,
bio = bio_alloc(__GFP_RECLAIM | __GFP_HIGH, 1);
bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
bio->bi_bdev = hib_resume_bdev;
bio->bi_rw = rw;
bio_set_op_attrs(bio, op, op_flags);
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
printk(KERN_ERR "PM: Adding page to bio failed at %llu\n",
@ -307,7 +307,8 @@ static int mark_swapfiles(struct swap_map_handle *handle, unsigned int flags)
{
int error;
hib_submit_io(READ_SYNC, swsusp_resume_block, swsusp_header, NULL);
hib_submit_io(REQ_OP_READ, READ_SYNC, swsusp_resume_block,
swsusp_header, NULL);
if (!memcmp("SWAP-SPACE",swsusp_header->sig, 10) ||
!memcmp("SWAPSPACE2",swsusp_header->sig, 10)) {
memcpy(swsusp_header->orig_sig,swsusp_header->sig, 10);
@ -316,8 +317,8 @@ static int mark_swapfiles(struct swap_map_handle *handle, unsigned int flags)
swsusp_header->flags = flags;
if (flags & SF_CRC32_MODE)
swsusp_header->crc32 = handle->crc32;
error = hib_submit_io(WRITE_SYNC, swsusp_resume_block,
swsusp_header, NULL);
error = hib_submit_io(REQ_OP_WRITE, WRITE_SYNC,
swsusp_resume_block, swsusp_header, NULL);
} else {
printk(KERN_ERR "PM: Swap header not found!\n");
error = -ENODEV;
@ -390,7 +391,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb)
} else {
src = buf;
}
return hib_submit_io(WRITE_SYNC, offset, src, hb);
return hib_submit_io(REQ_OP_WRITE, WRITE_SYNC, offset, src, hb);
}
static void release_swap_writer(struct swap_map_handle *handle)
@ -993,7 +994,8 @@ static int get_swap_reader(struct swap_map_handle *handle,
return -ENOMEM;
}
error = hib_submit_io(READ_SYNC, offset, tmp->map, NULL);
error = hib_submit_io(REQ_OP_READ, READ_SYNC, offset,
tmp->map, NULL);
if (error) {
release_swap_reader(handle);
return error;
@ -1017,7 +1019,7 @@ static int swap_read_page(struct swap_map_handle *handle, void *buf,
offset = handle->cur->entries[handle->k];
if (!offset)
return -EFAULT;
error = hib_submit_io(READ_SYNC, offset, buf, hb);
error = hib_submit_io(REQ_OP_READ, READ_SYNC, offset, buf, hb);
if (error)
return error;
if (++handle->k >= MAP_PAGE_ENTRIES) {
@ -1526,7 +1528,8 @@ int swsusp_check(void)
if (!IS_ERR(hib_resume_bdev)) {
set_blocksize(hib_resume_bdev, PAGE_SIZE);
clear_page(swsusp_header);
error = hib_submit_io(READ_SYNC, swsusp_resume_block,
error = hib_submit_io(REQ_OP_READ, READ_SYNC,
swsusp_resume_block,
swsusp_header, NULL);
if (error)
goto put;
@ -1534,7 +1537,8 @@ int swsusp_check(void)
if (!memcmp(HIBERNATE_SIG, swsusp_header->sig, 10)) {
memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10);
/* Reset swap signature now */
error = hib_submit_io(WRITE_SYNC, swsusp_resume_block,
error = hib_submit_io(REQ_OP_WRITE, WRITE_SYNC,
swsusp_resume_block,
swsusp_header, NULL);
} else {
error = -EINVAL;
@ -1578,10 +1582,12 @@ int swsusp_unmark(void)
{
int error;
hib_submit_io(READ_SYNC, swsusp_resume_block, swsusp_header, NULL);
hib_submit_io(REQ_OP_READ, READ_SYNC, swsusp_resume_block,
swsusp_header, NULL);
if (!memcmp(HIBERNATE_SIG,swsusp_header->sig, 10)) {
memcpy(swsusp_header->sig,swsusp_header->orig_sig, 10);
error = hib_submit_io(WRITE_SYNC, swsusp_resume_block,
error = hib_submit_io(REQ_OP_WRITE, WRITE_SYNC,
swsusp_resume_block,
swsusp_header, NULL);
} else {
printk(KERN_ERR "PM: Cannot find swsusp signature!\n");