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Diffstat (limited to 'mm/swapfile.c')
-rw-r--r--mm/swapfile.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 8ffdc0d23c53..4de7f02f820b 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -161,7 +161,8 @@ static int discard_swap(struct swap_info_struct *si)
}
err = blkdev_issue_discard(si->bdev, start_block,
- nr_blocks, GFP_KERNEL);
+ nr_blocks, GFP_KERNEL,
+ DISCARD_FL_BARRIER);
if (err)
break;
@@ -200,7 +201,8 @@ static void discard_swap_cluster(struct swap_info_struct *si,
start_block <<= PAGE_SHIFT - 9;
nr_blocks <<= PAGE_SHIFT - 9;
if (blkdev_issue_discard(si->bdev, start_block,
- nr_blocks, GFP_NOIO))
+ nr_blocks, GFP_NOIO,
+ DISCARD_FL_BARRIER))
break;
}
@@ -697,7 +699,7 @@ int free_swap_and_cache(swp_entry_t entry)
struct swap_info_struct *p;
struct page *page = NULL;
- if (is_migration_entry(entry))
+ if (non_swap_entry(entry))
return 1;
p = swap_info_get(entry);
@@ -1573,9 +1575,9 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile)
p->flags &= ~SWP_WRITEOK;
spin_unlock(&swap_lock);
- current->flags |= PF_SWAPOFF;
+ current->flags |= PF_OOM_ORIGIN;
err = try_to_unuse(type);
- current->flags &= ~PF_SWAPOFF;
+ current->flags &= ~PF_OOM_ORIGIN;
if (err) {
/* re-insert swap space back into swap_list */
@@ -2083,7 +2085,7 @@ static int __swap_duplicate(swp_entry_t entry, bool cache)
int count;
bool has_cache;
- if (is_migration_entry(entry))
+ if (non_swap_entry(entry))
return -EINVAL;
type = swp_type(entry);