Btrfs: remove non-sense btrfs_error_discard_extent() function

It doesn't do anything special, it just calls btrfs_discard_extent(),
so just remove it.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>

3 files changed, 6 insertions, 12 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index e6fbbd74b716..7e607416755a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3481,8 +3481,8 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info);
 u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo);
 int btrfs_error_unpin_extent_range(struct btrfs_root *root,
                                    u64 start, u64 end);
-int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
-                               u64 num_bytes, u64 *actual_bytes);
+int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
+                         u64 num_bytes, u64 *actual_bytes);
 int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans,
                             struct btrfs_root *root, u64 type);
 int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4f3c03d9a575..a80b97100d90 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1889,8 +1889,8 @@ static int btrfs_issue_discard(struct block_device *bdev,
         return blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_NOFS, 0);
 }
 
-static int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
-                                u64 num_bytes, u64 *actual_bytes)
+int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
+                         u64 num_bytes, u64 *actual_bytes)
 {
         int ret;
         u64 discarded_bytes = 0;
@@ -9698,12 +9698,6 @@ int btrfs_error_unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
         return unpin_extent_range(root, start, end, false);
 }
 
-int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
-                               u64 num_bytes, u64 *actual_bytes)
-{
-        return btrfs_discard_extent(root, bytenr, num_bytes, actual_bytes);
-}
-
 int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range)
 {
         struct btrfs_fs_info *fs_info = root->fs_info;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index edf32c5bbef1..d6c03f7f136b 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2966,8 +2966,8 @@ static int do_trimming(struct btrfs_block_group_cache *block_group,
         spin_unlock(&block_group->lock);
         spin_unlock(&space_info->lock);
 
-        ret = btrfs_error_discard_extent(fs_info->extent_root,
-                                         start, bytes, &trimmed);
+        ret = btrfs_discard_extent(fs_info->extent_root,
+                                   start, bytes, &trimmed);
         if (!ret)
                 *total_trimmed += trimmed;