Merge tag 'for-4.17-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[muen/linux.git] / fs / btrfs / extent-tree.c
index 3871658b6ab1de7b5a87200fb252a87f54fdef9a..51b5e2da708c4e77566cb686aea81b4a1cfa3497 100644 (file)
@@ -3995,7 +3995,7 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr)
        bg = btrfs_lookup_block_group(fs_info, bytenr);
        ASSERT(bg);
        if (atomic_dec_and_test(&bg->nocow_writers))
-               wake_up_atomic_t(&bg->nocow_writers);
+               wake_up_var(&bg->nocow_writers);
        /*
         * Once for our lookup and once for the lookup done by a previous call
         * to btrfs_inc_nocow_writers()
@@ -4006,8 +4006,7 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr)
 
 void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg)
 {
-       wait_on_atomic_t(&bg->nocow_writers, atomic_t_wait,
-                        TASK_UNINTERRUPTIBLE);
+       wait_var_event(&bg->nocow_writers, !atomic_read(&bg->nocow_writers));
 }
 
 static const char *alloc_name(u64 flags)
@@ -6548,7 +6547,7 @@ void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info,
        bg = btrfs_lookup_block_group(fs_info, start);
        ASSERT(bg);
        if (atomic_dec_and_test(&bg->reservations))
-               wake_up_atomic_t(&bg->reservations);
+               wake_up_var(&bg->reservations);
        btrfs_put_block_group(bg);
 }
 
@@ -6574,8 +6573,7 @@ void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg)
        down_write(&space_info->groups_sem);
        up_write(&space_info->groups_sem);
 
-       wait_on_atomic_t(&bg->reservations, atomic_t_wait,
-                        TASK_UNINTERRUPTIBLE);
+       wait_var_event(&bg->reservations, !atomic_read(&bg->reservations));
 }
 
 /**
@@ -11127,7 +11125,7 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root)
                ret = btrfs_start_write_no_snapshotting(root);
                if (ret)
                        break;
-               wait_on_atomic_t(&root->will_be_snapshotted, atomic_t_wait,
-                                TASK_UNINTERRUPTIBLE);
+               wait_var_event(&root->will_be_snapshotted,
+                              !atomic_read(&root->will_be_snapshotted));
        }
 }