diff options
| author | Filipe Manana <fdmanana@suse.com> | 2023-05-29 18:17:01 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-06-19 14:59:31 +0300 |
| commit | f38462c4476cc57ef0e739bc8b8bc8f0a5754b3b (patch) | |
| tree | 6093d66449851a9cc1db422ad88f75fc980df45d /fs/btrfs/delayed-ref.c | |
| parent | 293f8197a4902227e39e7288aa06f7f2b0e29cc8 (diff) | |
| download | linux-f38462c4476cc57ef0e739bc8b8bc8f0a5754b3b.tar.xz | |
btrfs: make insert_delayed_ref() return a bool instead of an int
insert_delayed_ref() can only return 0 or 1, to indicate if the given
delayed reference was added to the head reference or if it was merged
into an existing delayed ref, respectively. So just make it return a
boolean instead.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/delayed-ref.c')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 0bcec428766c..c3da7c3185de 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -555,16 +555,17 @@ void btrfs_delete_ref_head(struct btrfs_delayed_ref_root *delayed_refs, /* * Helper to insert the ref_node to the tail or merge with tail. * - * Return 0 for insert. - * Return >0 for merge. + * Return false if the ref was inserted. + * Return true if the ref was merged into an existing one (and therefore can be + * freed by the caller). */ -static int insert_delayed_ref(struct btrfs_delayed_ref_root *root, - struct btrfs_delayed_ref_head *href, - struct btrfs_delayed_ref_node *ref) +static bool insert_delayed_ref(struct btrfs_delayed_ref_root *root, + struct btrfs_delayed_ref_head *href, + struct btrfs_delayed_ref_node *ref) { struct btrfs_delayed_ref_node *exist; int mod; - int ret = 0; + bool ret = false; spin_lock(&href->lock); exist = tree_insert(&href->ref_tree, ref); @@ -572,7 +573,7 @@ static int insert_delayed_ref(struct btrfs_delayed_ref_root *root, goto inserted; /* Now we are sure we can merge */ - ret = 1; + ret = true; if (exist->action == ref->action) { mod = ref->ref_mod; } else { @@ -874,9 +875,9 @@ int btrfs_add_delayed_tree_ref(struct btrfs_trans_handle *trans, struct btrfs_qgroup_extent_record *record = NULL; bool qrecord_inserted; bool is_system; + bool merged; int action = generic_ref->action; int level = generic_ref->tree_ref.level; - int ret; u64 bytenr = generic_ref->bytenr; u64 num_bytes = generic_ref->len; u64 parent = generic_ref->parent; @@ -932,7 +933,7 @@ int btrfs_add_delayed_tree_ref(struct btrfs_trans_handle *trans, head_ref = add_delayed_ref_head(trans, head_ref, record, action, &qrecord_inserted); - ret = insert_delayed_ref(delayed_refs, head_ref, &ref->node); + merged = insert_delayed_ref(delayed_refs, head_ref, &ref->node); spin_unlock(&delayed_refs->lock); /* @@ -944,7 +945,7 @@ int btrfs_add_delayed_tree_ref(struct btrfs_trans_handle *trans, trace_add_delayed_tree_ref(fs_info, &ref->node, ref, action == BTRFS_ADD_DELAYED_EXTENT ? BTRFS_ADD_DELAYED_REF : action); - if (ret > 0) + if (merged) kmem_cache_free(btrfs_delayed_tree_ref_cachep, ref); if (qrecord_inserted) @@ -967,7 +968,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans, struct btrfs_qgroup_extent_record *record = NULL; bool qrecord_inserted; int action = generic_ref->action; - int ret; + bool merged; u64 bytenr = generic_ref->bytenr; u64 num_bytes = generic_ref->len; u64 parent = generic_ref->parent; @@ -1024,7 +1025,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans, head_ref = add_delayed_ref_head(trans, head_ref, record, action, &qrecord_inserted); - ret = insert_delayed_ref(delayed_refs, head_ref, &ref->node); + merged = insert_delayed_ref(delayed_refs, head_ref, &ref->node); spin_unlock(&delayed_refs->lock); /* @@ -1036,7 +1037,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans, trace_add_delayed_data_ref(trans->fs_info, &ref->node, ref, action == BTRFS_ADD_DELAYED_EXTENT ? BTRFS_ADD_DELAYED_REF : action); - if (ret > 0) + if (merged) kmem_cache_free(btrfs_delayed_data_ref_cachep, ref); |