From: Mike Christie <mchri...@redhat.com>
This patch prepares mm's submit_bio use for the next
patches that split bi_rw into a operation and flags field.
Instead of passing in a bitmap with both the operation and
flags mixed in, the callers will now pass them in seperately.
This patch modifies the code related to the submit_bio calls
so the flags and operation are seperated. When this is done
for all code, one of the later patches in the series will
the actual submit_bio call, so the patches are bisectable.
Signed-off-by: Mike Christie <mchri...@redhat.com>
---
mm/page_io.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/mm/page_io.c b/mm/page_io.c
index b995a5b..ec7ad22 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -253,7 +253,8 @@ int __swap_writepage(struct page *page, struct
writeback_control *wbc,
bio_end_io_t end_write_func)
{
struct bio *bio;
- int ret, rw = WRITE;
+ int ret;
+ u32 op_flags = 0;
struct swap_info_struct *sis = page_swap_info(page);
if (sis->flags & SWP_FILE) {
@@ -312,11 +313,11 @@ int __swap_writepage(struct page *page, struct
writeback_control *wbc,
goto out;
}
if (wbc->sync_mode == WB_SYNC_ALL)
- rw |= REQ_SYNC;
+ op_flags |= REQ_SYNC;
count_vm_event(PSWPOUT);
set_page_writeback(page);
unlock_page(page);
- submit_bio(rw, bio);
+ submit_bio(REQ_OP_WRITE | op_flags, bio);
out:
return ret;
}
--
1.8.3.1
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