summaryrefslogtreecommitdiff
path: root/mm/swapfile.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/swapfile.c')
-rw-r--r--mm/swapfile.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 746aa9da5302..b3a83c5dcbb8 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2348,8 +2348,6 @@ static void enable_swap_info(struct swap_info_struct *p, int prio,
unsigned char *swap_map,
struct swap_cluster_info *cluster_info)
{
- zswap_swapon(p->type);
-
spin_lock(&swap_lock);
spin_lock(&p->lock);
setup_swap_info(p, prio, swap_map, cluster_info);
@@ -3167,6 +3165,10 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
if (error)
goto bad_swap_unlock_inode;
+ error = zswap_swapon(p->type);
+ if (error)
+ goto free_swap_address_space;
+
/*
* Flush any pending IO and dirty mappings before we start using this
* swap device.
@@ -3175,7 +3177,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
error = inode_drain_writes(inode);
if (error) {
inode->i_flags &= ~S_SWAPFILE;
- goto free_swap_address_space;
+ goto free_swap_zswap;
}
mutex_lock(&swapon_mutex);
@@ -3199,6 +3201,8 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
error = 0;
goto out;
+free_swap_zswap:
+ zswap_swapoff(p->type);
free_swap_address_space:
exit_swap_address_space(p->type);
bad_swap_unlock_inode: