btrfs: rename btrfs_space_info_add_old_bytes

This name doesn't really fit with how the space reservation stuff works
now, rename it to btrfs_space_info_free_bytes_may_use so it's clear what
the function is doing.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
index c808f93..01b1ce2 100644 (file)
--- a/fs/btrfs/block-rsv.c
+++ b/fs/btrfs/block-rsv.c
@@ -54,8 +54,9 @@ static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info,
                        spin_unlock(&dest->lock);
                }
                if (num_bytes)
-                       btrfs_space_info_add_old_bytes(fs_info, space_info,
-                                                      num_bytes);
+                       btrfs_space_info_free_bytes_may_use(fs_info,
+                                                           space_info,
+                                                           num_bytes);
        }
        if (qgroup_to_release_ret)
                *qgroup_to_release_ret = qgroup_to_release;

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 951a60c..df3bd88 100644 (file)
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -158,7 +158,7 @@ void btrfs_migrate_to_delayed_refs_rsv(struct btrfs_fs_info *fs_info,
                trace_btrfs_space_reservation(fs_info, "delayed_refs_rsv",
                                              0, num_bytes, 1);
        if (to_free)
-               btrfs_space_info_add_old_bytes(fs_info,
+               btrfs_space_info_free_bytes_may_use(fs_info,
                                delayed_refs_rsv->space_info, to_free);
 }
 

diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h
index dc6ee66..8867e84 100644 (file)
--- a/fs/btrfs/space-info.h
+++ b/fs/btrfs/space-info.h
@@ -129,7 +129,7 @@ int btrfs_reserve_metadata_bytes(struct btrfs_root *root,
 void btrfs_try_granting_tickets(struct btrfs_fs_info *fs_info,
                                struct btrfs_space_info *space_info);
 
-static inline void btrfs_space_info_add_old_bytes(
+static inline void btrfs_space_info_free_bytes_may_use(
                                struct btrfs_fs_info *fs_info,
                                struct btrfs_space_info *space_info,
                                u64 num_bytes)