X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Ffs-writeback.c;h=031b27a4bc9a170a9436f73353e10864fe78d5d1;hb=098d5af7be694c66af44093f7217da3d22af1057;hp=c27f8d4098be3cd713b2934f6eefdc8d03bb4a68;hpb=659603ef692d3f6c7c216e80310990253864bf2e;p=linux-2.6

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index c27f8d4098..031b27a4bc 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -381,8 +381,8 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc)
 			list_move(&inode->i_list, &sb->s_dirty);
 		}
 		spin_unlock(&inode_lock);
-		cond_resched();
 		iput(inode);
+		cond_resched();
 		spin_lock(&inode_lock);
 		if (wbc->nr_to_write <= 0)
 			break;
@@ -461,6 +461,8 @@ void sync_inodes_sb(struct super_block *sb, int wait)
 {
 	struct writeback_control wbc = {
 		.sync_mode	= wait ? WB_SYNC_ALL : WB_SYNC_HOLD,
+		.range_start	= 0,
+		.range_end	= LLONG_MAX,
 	};
 	unsigned long nr_dirty = read_page_state(nr_dirty);
 	unsigned long nr_unstable = read_page_state(nr_unstable);
@@ -559,10 +561,12 @@ int write_inode_now(struct inode *inode, int sync)
 	struct writeback_control wbc = {
 		.nr_to_write = LONG_MAX,
 		.sync_mode = WB_SYNC_ALL,
+		.range_start = 0,
+		.range_end = LLONG_MAX,
 	};
 
 	if (!mapping_cap_writeback_dirty(inode->i_mapping))
-		return 0;
+		wbc.nr_to_write = 0;
 
 	might_sleep();
 	spin_lock(&inode_lock);
@@ -606,7 +610,7 @@ EXPORT_SYMBOL(sync_inode);
  * O_SYNC flag set, to flush dirty writes to disk.
  *
  * @what is a bitmask, specifying which part of the inode's data should be
- * written and waited upon:
+ * written and waited upon.
  *
  *    OSYNC_DATA:     i_mapping's dirty data
  *    OSYNC_METADATA: the buffers at i_mapping->private_list
@@ -619,7 +623,6 @@ int generic_osync_inode(struct inode *inode, struct address_space *mapping, int
 	int need_write_inode_now = 0;
 	int err2;
 
-	current->flags |= PF_SYNCWRITE;
 	if (what & OSYNC_DATA)
 		err = filemap_fdatawrite(mapping);
 	if (what & (OSYNC_METADATA|OSYNC_DATA)) {
@@ -632,7 +635,6 @@ int generic_osync_inode(struct inode *inode, struct address_space *mapping, int
 		if (!err)
 			err = err2;
 	}
-	current->flags &= ~PF_SYNCWRITE;
 
 	spin_lock(&inode_lock);
 	if ((inode->i_state & I_DIRTY) &&
@@ -672,8 +674,9 @@ int writeback_acquire(struct backing_dev_info *bdi)
 
 /**
  * writeback_in_progress: determine whether there is writeback in progress
- *                        against a backing device.
  * @bdi: the device's backing_dev_info structure.
+ *
+ * Determine whether there is writeback in progress against a backing device.
  */
 int writeback_in_progress(struct backing_dev_info *bdi)
 {