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-rw-r--r--fs/btrfs/raid56.c3
-rw-r--r--fs/btrfs/tree-log.c3
-rw-r--r--fs/btrfs/volumes.c3
3 files changed, 6 insertions, 3 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index bb768c309bc3..244d499ebc72 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1633,7 +1633,8 @@ struct btrfs_plug_cb {
/*
* rbios on the plug list are sorted for easier merging.
*/
-static int plug_cmp(void *priv, struct list_head *a, struct list_head *b)
+static int plug_cmp(void *priv, const struct list_head *a,
+ const struct list_head *b)
{
struct btrfs_raid_bio *ra = container_of(a, struct btrfs_raid_bio,
plug_list);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index c1353b84ae54..f67721d82e5d 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4138,7 +4138,8 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
return ret;
}
-static int extent_cmp(void *priv, struct list_head *a, struct list_head *b)
+static int extent_cmp(void *priv, const struct list_head *a,
+ const struct list_head *b)
{
struct extent_map *em1, *em2;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 77cdb75acc15..9a1ead0c4a31 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1224,7 +1224,8 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
return 0;
}
-static int devid_cmp(void *priv, struct list_head *a, struct list_head *b)
+static int devid_cmp(void *priv, const struct list_head *a,
+ const struct list_head *b)
{
struct btrfs_device *dev1, *dev2;