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| author | Mike Snitzer <snitzer@redhat.com> | 2020-09-29 23:27:21 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-09-29 23:31:35 +0300 |
| commit | 1471308fb5ec4335f9ae9fc65f65048dbe7c336e (patch) | |
| tree | 69aef90f47105e1c730e5277f352d3d5446a1174 /mm/page_io.c | |
| parent | 4c07ae0ad493b7b2d3dd3e53870e594f136ce8a5 (diff) | |
| parent | 76cffccd606acffde1b91e8b029b39b5fd1a3117 (diff) | |
| download | linux-1471308fb5ec4335f9ae9fc65f65048dbe7c336e.tar.xz | |
Merge remote-tracking branch 'jens/for-5.10/block' into dm-5.10
DM depends on these block 5.10 commits:
22ada802ede8 block: use lcm_not_zero() when stacking chunk_sectors
07d098e6bbad block: allow 'chunk_sectors' to be non-power-of-2
021a24460dc2 block: add QUEUE_FLAG_NOWAIT
6abc49468eea dm: add support for REQ_NOWAIT and enable it for linear target
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'mm/page_io.c')
| -rw-r--r-- | mm/page_io.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index e485a6e8a6cd..b199b87e0aa9 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -403,15 +403,17 @@ int swap_readpage(struct page *page, bool synchronous) goto out; } - ret = bdev_read_page(sis->bdev, swap_page_sector(page), page); - if (!ret) { - if (trylock_page(page)) { - swap_slot_free_notify(page); - unlock_page(page); - } + if (sis->flags & SWP_SYNCHRONOUS_IO) { + ret = bdev_read_page(sis->bdev, swap_page_sector(page), page); + if (!ret) { + if (trylock_page(page)) { + swap_slot_free_notify(page); + unlock_page(page); + } - count_vm_event(PSWPIN); - goto out; + count_vm_event(PSWPIN); + goto out; + } } ret = 0; |