[PATCH 03/14] writeback: Remove useless argument of writeback_single_inode()

[Jan Kara <jack@suse.cz>]

All callers of writeback_single_inode() got the wb argument that
function as inode_to_bdi(inode)->wb. So just lookup the proper wb inside
the functions.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/fs-writeback.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index d631ddaa642b..dbace1c09b7f 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -477,10 +477,10 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
  * and does more profound writeback list handling in writeback_inodes().
  */
 static int
-writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
-		       struct writeback_control *wbc)
+writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int ret = 0;
+	struct bdi_writeback *wb = &inode_to_bdi(inode)->wb;
 
 	spin_lock(&inode->i_lock);
 	if (!atomic_read(&inode->i_count))
@@ -1320,7 +1320,6 @@ EXPORT_SYMBOL(sync_inodes_sb);
  */
 int write_inode_now(struct inode *inode, int sync)
 {
-	struct bdi_writeback *wb = &inode_to_bdi(inode)->wb;
 	struct writeback_control wbc = {
 		.nr_to_write = LONG_MAX,
 		.sync_mode = sync ? WB_SYNC_ALL : WB_SYNC_NONE,
@@ -1332,7 +1331,7 @@ int write_inode_now(struct inode *inode, int sync)
 		wbc.nr_to_write = 0;
 
 	might_sleep();
-	return writeback_single_inode(inode, wb, &wbc);
+	return writeback_single_inode(inode, &wbc);
 }
 EXPORT_SYMBOL(write_inode_now);
 
@@ -1349,7 +1348,7 @@ EXPORT_SYMBOL(write_inode_now);
  */
 int sync_inode(struct inode *inode, struct writeback_control *wbc)
 {
-	return writeback_single_inode(inode, &inode_to_bdi(inode)->wb, wbc);
+	return writeback_single_inode(inode, wbc);
 }
 EXPORT_SYMBOL(sync_inode);
 
-- 
1.8.1.4