9 files changed, 60 insertions, 156 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0f1ade133111..0d0f5d2a534a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3452,11 +3452,9 @@ enum btrfs_reserve_flush_enum {
         BTRFS_RESERVE_FLUSH_ALL,
 };
 
-int btrfs_check_data_free_space(struct inode *inode, u64 bytes, u64 write_bytes);
-int __btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len);
+int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len);
 int btrfs_alloc_data_chunk_ondemand(struct inode *inode, u64 bytes);
-void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes);
-void __btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len);
+void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len);
 void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
                                 struct btrfs_root *root);
 void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans);
@@ -3472,10 +3470,8 @@ void btrfs_subvolume_release_metadata(struct btrfs_root *root,
                                       u64 qgroup_reserved);
 int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes);
 void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes);
-int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes);
-int __btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len);
-void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes);
-void __btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len);
+int btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len);
+void btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len);
 void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type);
 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root,
                                               unsigned short type);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 8c8d8b386cad..3a23225e83f4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3356,7 +3356,7 @@ again:
         num_pages *= 16;
         num_pages *= PAGE_CACHE_SIZE;
 
-        ret = __btrfs_check_data_free_space(inode, 0, num_pages);
+        ret = btrfs_check_data_free_space(inode, 0, num_pages);
         if (ret)
                 goto out_put;
 
@@ -3365,7 +3365,7 @@ again:
                                               &alloc_hint);
         if (!ret)
                 dcs = BTRFS_DC_SETUP;
-        __btrfs_free_reserved_data_space(inode, 0, num_pages);
+        btrfs_free_reserved_data_space(inode, 0, num_pages);
 
 out_put:
         iput(inode);
@@ -4034,27 +4034,11 @@ commit_trans:
 }
 
 /*
- * This will check the space that the inode allocates from to make sure we have
- * enough space for bytes.
- */
-int btrfs_check_data_free_space(struct inode *inode, u64 bytes, u64 write_bytes)
-{
-        struct btrfs_root *root = BTRFS_I(inode)->root;
-        int ret;
-
-        ret = btrfs_alloc_data_chunk_ondemand(inode, bytes);
-        if (ret < 0)
-                return ret;
-        ret = btrfs_qgroup_reserve(root, write_bytes);
-        return ret;
-}
-
-/*
  * New check_data_free_space() with ability for precious data reservation
  * Will replace old btrfs_check_data_free_space(), but for patch split,
  * add a new function first and then replace it.
  */
-int __btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len)
+int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len)
 {
         struct btrfs_root *root = BTRFS_I(inode)->root;
         int ret;
@@ -4074,33 +4058,13 @@ int __btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len)
 }
 
 /*
- * Called if we need to clear a data reservation for this inode.
- */
-void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes)
-{
-        struct btrfs_root *root = BTRFS_I(inode)->root;
-        struct btrfs_space_info *data_sinfo;
-
-        /* make sure bytes are sectorsize aligned */
-        bytes = ALIGN(bytes, root->sectorsize);
-
-        data_sinfo = root->fs_info->data_sinfo;
-        spin_lock(&data_sinfo->lock);
-        WARN_ON(data_sinfo->bytes_may_use < bytes);
-        data_sinfo->bytes_may_use -= bytes;
-        trace_btrfs_space_reservation(root->fs_info, "space_info",
-                                      data_sinfo->flags, bytes, 0);
-        spin_unlock(&data_sinfo->lock);
-}
-
-/*
  * Called if we need to clear a data reservation for this inode
  * Normally in a error case.
  *
  * This one will handle the per-indoe data rsv map for accurate reserved
  * space framework.
  */
-void __btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len)
+void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len)
 {
         struct btrfs_root *root = BTRFS_I(inode)->root;
         struct btrfs_space_info *data_sinfo;
@@ -5715,7 +5679,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
 }
 
 /**
- * __btrfs_delalloc_reserve_space - reserve data and metadata space for
+ * btrfs_delalloc_reserve_space - reserve data and metadata space for
  * delalloc
  * @inode: inode we're writing to
  * @start: start range we are writing to
@@ -5739,53 +5703,21 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
  * Return 0 for success
  * Return <0 for error(-ENOSPC or -EQUOT)
  */
-int __btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len)
+int btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len)
 {
         int ret;
 
-        ret = __btrfs_check_data_free_space(inode, start, len);
+        ret = btrfs_check_data_free_space(inode, start, len);
         if (ret < 0)
                 return ret;
         ret = btrfs_delalloc_reserve_metadata(inode, len);
         if (ret < 0)
-                __btrfs_free_reserved_data_space(inode, start, len);
+                btrfs_free_reserved_data_space(inode, start, len);
         return ret;
 }
 
 /**
- * btrfs_delalloc_reserve_space - reserve data and metadata space for delalloc
- * @inode: inode we're writing to
- * @num_bytes: the number of bytes we want to allocate
- *
- * This will do the following things
- *
- * o reserve space in the data space info for num_bytes
- * o reserve space in the metadata space info based on number of outstanding
- *   extents and how much csums will be needed
- * o add to the inodes ->delalloc_bytes
- * o add it to the fs_info's delalloc inodes list.
- *
- * This will return 0 for success and -ENOSPC if there is no space left.
- */
-int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes)
-{
-        int ret;
-
-        ret = btrfs_check_data_free_space(inode, num_bytes, num_bytes);
-        if (ret)
-                return ret;
-
-        ret = btrfs_delalloc_reserve_metadata(inode, num_bytes);
-        if (ret) {
-                btrfs_free_reserved_data_space(inode, num_bytes);
-                return ret;
-        }
-
-        return 0;
-}
-
-/**
- * __btrfs_delalloc_release_space - release data and metadata space for delalloc
+ * btrfs_delalloc_release_space - release data and metadata space for delalloc
  * @inode: inode we're releasing space for
  * @start: start position of the space already reserved
  * @len: the len of the space already reserved
@@ -5799,29 +5731,10 @@ int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes)
  * list if there are no delalloc bytes left.
  * Also it will handle the qgroup reserved space.
  */
-void __btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len)
+void btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len)
 {
         btrfs_delalloc_release_metadata(inode, len);
-        __btrfs_free_reserved_data_space(inode, start, len);
-}
-
-/**
- * btrfs_delalloc_release_space - release data and metadata space for delalloc
- * @inode: inode we're releasing space for
- * @num_bytes: the number of bytes we want to free up
- *
- * This must be matched with a call to btrfs_delalloc_reserve_space.  This is
- * called in the case that we don't need the metadata AND data reservations
- * anymore.  So if there is an error or we insert an inline extent.
- *
- * This function will release the metadata space that was not used and will
- * decrement ->delalloc_bytes and remove it from the fs_info delalloc_inodes
- * list if there are no delalloc bytes left.
- */
-void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes)
-{
-        btrfs_delalloc_release_metadata(inode, num_bytes);
-        btrfs_free_reserved_data_space(inode, num_bytes);
+        btrfs_free_reserved_data_space(inode, start, len);
 }
 
 static int update_block_group(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 29b3702fe10d..47785c8a7d39 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1529,7 +1529,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
                                 goto reserve_metadata;
                         }
                 }
-                ret = __btrfs_check_data_free_space(inode, pos, write_bytes);
+                ret = btrfs_check_data_free_space(inode, pos, write_bytes);
                 if (ret < 0)
                         break;
 
@@ -1537,8 +1537,8 @@ reserve_metadata:
                 ret = btrfs_delalloc_reserve_metadata(inode, reserve_bytes);
                 if (ret) {
                         if (!only_release_metadata)
-                                __btrfs_free_reserved_data_space(inode, pos,
-                                                                 write_bytes);
+                                btrfs_free_reserved_data_space(inode, pos,
+                                                               write_bytes);
                         else
                                 btrfs_end_write_no_snapshoting(root);
                         break;
@@ -1608,7 +1608,7 @@ again:
                                 btrfs_delalloc_release_metadata(inode,
                                                                 release_bytes);
                         else
-                                __btrfs_delalloc_release_space(inode, pos,
+                                btrfs_delalloc_release_space(inode, pos,
                                                              release_bytes);
                 }
 
@@ -1661,8 +1661,7 @@ again:
                         btrfs_end_write_no_snapshoting(root);
                         btrfs_delalloc_release_metadata(inode, release_bytes);
                 } else {
-                        __btrfs_delalloc_release_space(inode, pos,
-                                                       release_bytes);
+                        btrfs_delalloc_release_space(inode, pos, release_bytes);
                 }
         }
 
@@ -2708,8 +2707,8 @@ static long btrfs_fallocate(struct file *file, int mode,
 out:
         mutex_unlock(&inode->i_mutex);
         /* Let go of our reservation. */
-        __btrfs_free_reserved_data_space(inode, alloc_start,
-                                         alloc_end - alloc_start);
+        btrfs_free_reserved_data_space(inode, alloc_start,
+                                       alloc_end - alloc_start);
         return ret;
 }
 
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 78bc09c552ab..767a6056ac45 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -488,17 +488,17 @@ again:
         /* Just to make sure we have enough space */
         prealloc += 8 * PAGE_CACHE_SIZE;
 
-        ret = __btrfs_delalloc_reserve_space(inode, 0, prealloc);
+        ret = btrfs_delalloc_reserve_space(inode, 0, prealloc);
         if (ret)
                 goto out_put;
 
         ret = btrfs_prealloc_file_range_trans(inode, trans, 0, 0, prealloc,
                                               prealloc, prealloc, &alloc_hint);
         if (ret) {
-                __btrfs_delalloc_release_space(inode, 0, prealloc);
+                btrfs_delalloc_release_space(inode, 0, prealloc);
                 goto out_put;
         }
-        __btrfs_free_reserved_data_space(inode, 0, prealloc);
+        btrfs_free_reserved_data_space(inode, 0, prealloc);
 
         ret = btrfs_write_out_ino_cache(root, trans, path, inode);
 out_put:
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a3942a70f97d..a34e5a9c51cb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1769,8 +1769,8 @@ static void btrfs_clear_bit_hook(struct inode *inode,
 
                 if (root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID
                     && do_list && !(state->state & EXTENT_NORESERVE))
-                        __btrfs_free_reserved_data_space(inode, state->start,
-                                                         len);
+                        btrfs_free_reserved_data_space(inode, state->start,
+                                                       len);
 
                 __percpu_counter_add(&root->fs_info->delalloc_bytes, -len,
                                      root->fs_info->delalloc_batch);
@@ -1993,8 +1993,8 @@ again:
                 goto again;
         }
 
-        ret = __btrfs_delalloc_reserve_space(inode, page_start,
-                                             PAGE_CACHE_SIZE);
+        ret = btrfs_delalloc_reserve_space(inode, page_start,
+                                           PAGE_CACHE_SIZE);
         if (ret) {
                 mapping_set_error(page->mapping, ret);
                 end_extent_writepage(page, ret, page_start, page_end);
@@ -4640,7 +4640,7 @@ int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len,
         if ((offset & (blocksize - 1)) == 0 &&
             (!len || ((len & (blocksize - 1)) == 0)))
                 goto out;
-        ret = __btrfs_delalloc_reserve_space(inode,
+        ret = btrfs_delalloc_reserve_space(inode,
                         round_down(from, PAGE_CACHE_SIZE), PAGE_CACHE_SIZE);
         if (ret)
                 goto out;
@@ -4648,7 +4648,7 @@ int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len,
 again:
         page = find_or_create_page(mapping, index, mask);
         if (!page) {
-                __btrfs_delalloc_release_space(inode,
+                btrfs_delalloc_release_space(inode,
                                 round_down(from, PAGE_CACHE_SIZE),
                                 PAGE_CACHE_SIZE);
                 ret = -ENOMEM;
@@ -4718,8 +4718,8 @@ again:
 
 out_unlock:
         if (ret)
-                __btrfs_delalloc_release_space(inode, page_start,
-                                               PAGE_CACHE_SIZE);
+                btrfs_delalloc_release_space(inode, page_start,
+                                             PAGE_CACHE_SIZE);
         unlock_page(page);
         page_cache_release(page);
 out:
@@ -7650,7 +7650,7 @@ unlock:
                         spin_unlock(&BTRFS_I(inode)->lock);
                 }
 
-                __btrfs_free_reserved_data_space(inode, start, len);
+                btrfs_free_reserved_data_space(inode, start, len);
                 WARN_ON(dio_data->reserve < len);
                 dio_data->reserve -= len;
                 current->journal_info = dio_data;
@@ -8440,7 +8440,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
                         mutex_unlock(&inode->i_mutex);
                         relock = true;
                 }
-                ret = __btrfs_delalloc_reserve_space(inode, offset, count);
+                ret = btrfs_delalloc_reserve_space(inode, offset, count);
                 if (ret)
                         goto out;
                 dio_data.outstanding_extents = div64_u64(count +
@@ -8469,11 +8469,11 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
                 current->journal_info = NULL;
                 if (ret < 0 && ret != -EIOCBQUEUED) {
                         if (dio_data.reserve)
-                                __btrfs_delalloc_release_space(inode, offset,
-                                                dio_data.reserve);
+                                btrfs_delalloc_release_space(inode, offset,
+                                                             dio_data.reserve);
                 } else if (ret >= 0 && (size_t)ret < count)
-                        __btrfs_delalloc_release_space(inode, offset,
-                                                       count - (size_t)ret);
+                        btrfs_delalloc_release_space(inode, offset,
+                                                     count - (size_t)ret);
         }
 out:
         if (wakeup)
@@ -8684,8 +8684,8 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
         page_start = page_offset(page);
         page_end = page_start + PAGE_CACHE_SIZE - 1;
 
-        ret = __btrfs_delalloc_reserve_space(inode, page_start,
-                                             PAGE_CACHE_SIZE);
+        ret = btrfs_delalloc_reserve_space(inode, page_start,
+                                           PAGE_CACHE_SIZE);
         if (!ret) {
                 ret = file_update_time(vma->vm_file);
                 reserved = 1;
@@ -8780,7 +8780,7 @@ out_unlock:
         }
         unlock_page(page);
 out:
-        __btrfs_delalloc_release_space(inode, page_start, PAGE_CACHE_SIZE);
+        btrfs_delalloc_release_space(inode, page_start, PAGE_CACHE_SIZE);
 out_noreserve:
         sb_end_pagefault(inode->i_sb);
         return ret;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 70732e629b0f..7ed033a84212 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1119,7 +1119,7 @@ static int cluster_pages_for_defrag(struct inode *inode,
 
         page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1);
 
-        ret = __btrfs_delalloc_reserve_space(inode,
+        ret = btrfs_delalloc_reserve_space(inode,
                         start_index << PAGE_CACHE_SHIFT,
                         page_cnt << PAGE_CACHE_SHIFT);
         if (ret)
@@ -1210,7 +1210,7 @@ again:
                 spin_lock(&BTRFS_I(inode)->lock);
                 BTRFS_I(inode)->outstanding_extents++;
                 spin_unlock(&BTRFS_I(inode)->lock);
-                __btrfs_delalloc_release_space(inode,
+                btrfs_delalloc_release_space(inode,
                                 start_index << PAGE_CACHE_SHIFT,
                                 (page_cnt - i_done) << PAGE_CACHE_SHIFT);
         }
@@ -1237,7 +1237,7 @@ out:
                 unlock_page(pages[i]);
                 page_cache_release(pages[i]);
         }
-        __btrfs_delalloc_release_space(inode,
+        btrfs_delalloc_release_space(inode,
                         start_index << PAGE_CACHE_SHIFT,
                         page_cnt << PAGE_CACHE_SHIFT);
         return ret;
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 897a49d71638..7d5339da01b8 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2035,7 +2035,7 @@ out:
         return ret;
 }
 
-int btrfs_qgroup_reserve(struct btrfs_root *root, u64 num_bytes)
+static int qgroup_reserve(struct btrfs_root *root, u64 num_bytes)
 {
         struct btrfs_root *quota_root;
         struct btrfs_qgroup *qgroup;
@@ -2168,6 +2168,11 @@ out:
         spin_unlock(&fs_info->qgroup_lock);
 }
 
+static inline void qgroup_free(struct btrfs_root *root, u64 num_bytes)
+{
+        return btrfs_qgroup_free_refroot(root->fs_info, root->objectid,
+                                         num_bytes);
+}
 void assert_qgroups_uptodate(struct btrfs_trans_handle *trans)
 {
         if (list_empty(&trans->qgroup_ref_list) && !trans->delayed_ref_elem.seq)
@@ -2517,7 +2522,7 @@ int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len)
                         &changeset);
         if (ret < 0)
                 goto cleanup;
-        ret = btrfs_qgroup_reserve(root, changeset.bytes_changed);
+        ret = qgroup_reserve(root, changeset.bytes_changed);
         if (ret < 0)
                 goto cleanup;
 
@@ -2553,8 +2558,7 @@ static int __btrfs_qgroup_release_data(struct inode *inode, u64 start, u64 len,
                 goto out;
 
         if (free)
-                btrfs_qgroup_free(BTRFS_I(inode)->root,
-                                  changeset.bytes_changed);
+                qgroup_free(BTRFS_I(inode)->root, changeset.bytes_changed);
 out:
         ulist_free(changeset.range_changed);
         return ret;
@@ -2604,7 +2608,7 @@ int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes)
                 return 0;
 
         BUG_ON(num_bytes != round_down(num_bytes, root->nodesize));
-        ret = btrfs_qgroup_reserve(root, num_bytes);
+        ret = qgroup_reserve(root, num_bytes);
         if (ret < 0)
                 return ret;
         atomic_add(num_bytes, &root->qgroup_meta_rsv);
@@ -2621,7 +2625,7 @@ void btrfs_qgroup_free_meta_all(struct btrfs_root *root)
         reserved = atomic_xchg(&root->qgroup_meta_rsv, 0);
         if (reserved == 0)
                 return;
-        btrfs_qgroup_free(root, reserved);
+        qgroup_free(root, reserved);
 }
 
 void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes)
@@ -2632,5 +2636,5 @@ void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes)
         BUG_ON(num_bytes != round_down(num_bytes, root->nodesize));
         WARN_ON(atomic_read(&root->qgroup_meta_rsv) < num_bytes);
         atomic_sub(num_bytes, &root->qgroup_meta_rsv);
-        btrfs_qgroup_free(root, num_bytes);
+        qgroup_free(root, num_bytes);
 }
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index 7d1c87cd3c78..adb03da3d298 100644
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -71,15 +71,8 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
 int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
                          struct btrfs_fs_info *fs_info, u64 srcid, u64 objectid,
                          struct btrfs_qgroup_inherit *inherit);
-int btrfs_qgroup_reserve(struct btrfs_root *root, u64 num_bytes);
 void btrfs_qgroup_free_refroot(struct btrfs_fs_info *fs_info,
                                u64 ref_root, u64 num_bytes);
-static inline void btrfs_qgroup_free(struct btrfs_root *root, u64 num_bytes)
-{
-        return btrfs_qgroup_free_refroot(root->fs_info, root->objectid,
-                                         num_bytes);
-}
-
 /*
  * TODO: Add proper trace point for it, as btrfs_qgroup_free() is
  * called by everywhere, can't provide good trace for delayed ref case.
@@ -89,7 +82,6 @@ static inline void btrfs_qgroup_free_delayed_ref(struct btrfs_fs_info *fs_info,
 {
         btrfs_qgroup_free_refroot(fs_info, ref_root, num_bytes);
 }
-
 void assert_qgroups_uptodate(struct btrfs_trans_handle *trans);
 
 #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 490c9e298c58..a7dc45622e90 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3034,8 +3034,8 @@ int prealloc_file_extent_cluster(struct inode *inode,
         BUG_ON(cluster->start != cluster->boundary[0]);
         mutex_lock(&inode->i_mutex);
 
-        ret = __btrfs_check_data_free_space(inode, cluster->start,
-                                            cluster->end + 1 - cluster->start);
+        ret = btrfs_check_data_free_space(inode, cluster->start,
+                                          cluster->end + 1 - cluster->start);
         if (ret)
                 goto out;
 
@@ -3056,8 +3056,8 @@ int prealloc_file_extent_cluster(struct inode *inode,
                         break;
                 nr++;
         }
-        __btrfs_free_reserved_data_space(inode, cluster->start,
-                                         cluster->end + 1 - cluster->start);
+        btrfs_free_reserved_data_space(inode, cluster->start,
+                                       cluster->end + 1 - cluster->start);
 out:
         mutex_unlock(&inode->i_mutex);
         return ret;