Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / fs / fs-writeback.c

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6d46c0d..51ea267 100644 (file)
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -63,6 +63,7 @@ int writeback_in_progress(struct backing_dev_info *bdi)
 {
        return test_bit(BDI_writeback_running, &bdi->state);
 }
+EXPORT_SYMBOL(writeback_in_progress);
 
 static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
 {
@@ -248,7 +249,7 @@ static bool inode_dirtied_after(struct inode *inode, unsigned long t)
 }
 
 /*
- * Move expired (dirtied after work->older_than_this) dirty inodes from
+ * Move expired (dirtied before work->older_than_this) dirty inodes from
  * @delaying_queue to @dispatch_queue.
  */
 static int move_expired_inodes(struct list_head *delaying_queue,
@@ -438,8 +439,7 @@ static void requeue_inode(struct inode *inode, struct bdi_writeback *wb,
  * setting I_SYNC flag and calling inode_sync_complete() to clear it.
  */
 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)
 {
        struct address_space *mapping = inode->i_mapping;
        long nr_to_write = wbc->nr_to_write;
@@ -526,7 +526,7 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
        inode->i_state |= I_SYNC;
        spin_unlock(&inode->i_lock);
 
-       ret = __writeback_single_inode(inode, wb, wbc);
+       ret = __writeback_single_inode(inode, wbc);
 
        spin_lock(&wb->list_lock);
        spin_lock(&inode->i_lock);
@@ -669,7 +669,7 @@ static long writeback_sb_inodes(struct super_block *sb,
                 * We use I_SYNC to pin the inode in memory. While it is set
                 * evict_inode() will wait so the inode cannot be freed.
                 */
-               __writeback_single_inode(inode, wb, &wbc);
+               __writeback_single_inode(inode, &wbc);
 
                work->nr_pages -= write_chunk - wbc.nr_to_write;
                wrote += write_chunk - wbc.nr_to_write;