[PATCH v2.1 17/17] VFS: use is_sb_dirty helper

[Artem Bityutskiy <dedekind@infradead.org>]

From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

... instead of checking 's_dirt' directly. This is just
a little cleaner and more consistent. We have only 3
VFS helpers which access 's_dirt' now.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/super.c |    4 ++--
 fs/sync.c  |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index 2ea1586..ef9a24a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -415,12 +415,12 @@ void sync_supers(void)
 	spin_lock(&sb_lock);
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
-		if (sb->s_op->write_super && sb->s_dirt) {
+		if (sb->s_op->write_super && is_sb_dirty(sb)) {
 			sb->s_count++;
 			spin_unlock(&sb_lock);
 
 			down_read(&sb->s_umount);
-			if (sb->s_root && sb->s_dirt)
+			if (sb->s_root && is_sb_dirty(sb))
 				sb->s_op->write_super(sb);
 			up_read(&sb->s_umount);
 
diff --git a/fs/sync.c b/fs/sync.c
index e9d56f6..12f36d7 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -33,7 +33,7 @@ static int __sync_filesystem(struct super_block *sb, int wait)
 	else
 		sync_quota_sb(sb, -1);
 	sync_inodes_sb(sb, wait);
-	if (sb->s_dirt && sb->s_op->write_super)
+	if (is_sb_dirty(sb) && sb->s_op->write_super)
 		sb->s_op->write_super(sb);
 	if (sb->s_op->sync_fs)
 		sb->s_op->sync_fs(sb, wait);
@@ -162,7 +162,7 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync)
 
 	/* sync the superblock to buffers */
 	sb = inode->i_sb;
-	if (sb->s_dirt && sb->s_op->write_super)
+	if (is_sb_dirty(sb) && sb->s_op->write_super)
 		sb->s_op->write_super(sb);
 
 	/* .. finally sync the buffers to disk */
-- 
1.6.0.6