From: Goldwyn Rodrigues <rgold...@suse.com> btrfs_reada_detach() is not called by any function. Remove.
Signed-off-by: Goldwyn Rodrigues <rgold...@suse.com> --- fs/btrfs/ctree.h | 1 - fs/btrfs/reada.c | 9 +-------- 2 files changed, 1 insertion(+), 9 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f2fd73e58ee6..2acbd8919611 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3700,7 +3700,6 @@ struct reada_control { struct reada_control *btrfs_reada_add(struct btrfs_root *root, struct btrfs_key *start, struct btrfs_key *end); int btrfs_reada_wait(void *handle); -void btrfs_reada_detach(void *handle); int btree_readahead_hook(struct extent_buffer *eb, int err); void btrfs_reada_remove_dev(struct btrfs_device *dev); void btrfs_reada_undo_remove_dev(struct btrfs_device *dev); diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 06713a8fe26b..0d357f8b65bc 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -24,7 +24,7 @@ * To trigger a readahead, btrfs_reada_add must be called. It will start * a read ahead for the given range [start, end) on tree root. The returned * handle can either be used to wait on the readahead to finish - * (btrfs_reada_wait), or to send it to the background (btrfs_reada_detach). + * (btrfs_reada_wait). * * The read ahead works as follows: * On btrfs_reada_add, the root of the tree is inserted into a radix_tree. @@ -1036,13 +1036,6 @@ int btrfs_reada_wait(void *handle) } #endif -void btrfs_reada_detach(void *handle) -{ - struct reada_control *rc = handle; - - kref_put(&rc->refcnt, reada_control_release); -} - /* * Before removing a device (device replace or device remove ioctls), call this * function to wait for all existing readahead requests on the device and to -- 2.30.2