X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fsync.c;h=228e17b5e9ee911c2c2f58b4090e33b96954ff23;hb=441dbb500b4344a8e3125e5aabab4f9dbf72514f;hp=7cd005ea76390f385dc85af2c11e8121b6b4dd69;hpb=99e1221d1a1edac316f7f8116c781f75733b1159;p=linux-2.6

diff --git a/fs/sync.c b/fs/sync.c
index 7cd005ea76..228e17b5e9 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -64,7 +64,7 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync)
 	/* sync the superblock to buffers */
 	sb = inode->i_sb;
 	lock_super(sb);
-	if (sb->s_op->write_super)
+	if (sb->s_dirt && sb->s_op->write_super)
 		sb->s_op->write_super(sb);
 	unlock_super(sb);