Btrfs: kill root from btrfs_is_free_space_inode

Since root can be fetched via BTRFS_I macro directly, we can save an args
for btrfs_is_free_space_inode().

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

1 files changed, 11 insertions, 11 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 18f1b44d1610..321c415dea7f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -825,7 +825,7 @@ static noinline int cow_file_range(struct inode *inode,
         struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
         int ret = 0;
 
-        BUG_ON(btrfs_is_free_space_inode(root, inode));
+        BUG_ON(btrfs_is_free_space_inode(inode));
         trans = btrfs_join_transaction(root);
         if (IS_ERR(trans)) {
                 extent_clear_unlock_delalloc(inode,
@@ -1153,7 +1153,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
                 return -ENOMEM;
         }
 
-        nolock = btrfs_is_free_space_inode(root, inode);
+        nolock = btrfs_is_free_space_inode(inode);
 
         if (nolock)
                 trans = btrfs_join_transaction_nolock(root);
@@ -1466,7 +1466,7 @@ static void btrfs_set_bit_hook(struct inode *inode,
         if (!(state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
                 struct btrfs_root *root = BTRFS_I(inode)->root;
                 u64 len = state->end + 1 - state->start;
-                bool do_list = !btrfs_is_free_space_inode(root, inode);
+                bool do_list = !btrfs_is_free_space_inode(inode);
 
                 if (*bits & EXTENT_FIRST_DELALLOC) {
                         *bits &= ~EXTENT_FIRST_DELALLOC;
@@ -1501,7 +1501,7 @@ static void btrfs_clear_bit_hook(struct inode *inode,
         if ((state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
                 struct btrfs_root *root = BTRFS_I(inode)->root;
                 u64 len = state->end + 1 - state->start;
-                bool do_list = !btrfs_is_free_space_inode(root, inode);
+                bool do_list = !btrfs_is_free_space_inode(inode);
 
                 if (*bits & EXTENT_FIRST_DELALLOC) {
                         *bits &= ~EXTENT_FIRST_DELALLOC;
@@ -1612,7 +1612,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
 
         skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
 
-        if (btrfs_is_free_space_inode(root, inode))
+        if (btrfs_is_free_space_inode(inode))
                 metadata = 2;
 
         if (!(rw & REQ_WRITE)) {
@@ -1869,7 +1869,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
         int ret;
         bool nolock;
 
-        nolock = btrfs_is_free_space_inode(root, inode);
+        nolock = btrfs_is_free_space_inode(inode);
 
         if (test_bit(BTRFS_ORDERED_IOERR, &ordered_extent->flags)) {
                 ret = -EIO;
@@ -2007,7 +2007,7 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
         ordered_extent->work.func = finish_ordered_fn;
         ordered_extent->work.flags = 0;
 
-        if (btrfs_is_free_space_inode(root, inode))
+        if (btrfs_is_free_space_inode(inode))
                 workers = &root->fs_info->endio_freespace_worker;
         else
                 workers = &root->fs_info->endio_write_workers;
@@ -2732,7 +2732,7 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
          * The data relocation inode should also be directly updated
          * without delay
          */
-        if (!btrfs_is_free_space_inode(root, inode)
+        if (!btrfs_is_free_space_inode(inode)
             && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
                 ret = btrfs_delayed_update_inode(trans, root, inode);
                 if (!ret)
@@ -3743,7 +3743,7 @@ void btrfs_evict_inode(struct inode *inode)
 
         truncate_inode_pages(&inode->i_data, 0);
         if (inode->i_nlink && (btrfs_root_refs(&root->root_item) != 0 ||
-                               btrfs_is_free_space_inode(root, inode)))
+                               btrfs_is_free_space_inode(inode)))
                 goto no_delete;
 
         if (is_bad_inode(inode)) {
@@ -4457,7 +4457,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
         if (test_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags))
                 return 0;
 
-        if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(root, inode))
+        if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(inode))
                 nolock = true;
 
         if (wbc->sync_mode == WB_SYNC_ALL) {
@@ -7051,7 +7051,7 @@ int btrfs_drop_inode(struct inode *inode)
         struct btrfs_root *root = BTRFS_I(inode)->root;
 
         if (btrfs_root_refs(&root->root_item) == 0 &&
-            !btrfs_is_free_space_inode(root, inode))
+            !btrfs_is_free_space_inode(inode))
                 return 1;
         else
                 return generic_drop_inode(inode);