This test is always true so it means we revalidate the length every time, which generates more network traffic. This was introduced in 06222e491e "fs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek". Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- Josef, there were three other places that had this same problem but I think they've all been fixed now. Except that I had a question about nfs_file_llseek(). Isn't that reversed? It seems like it only revalidates when it's not supposed to. I chose to copy what fuse_file_llseek() does instead. diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index d342128..97d26c7 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -695,7 +695,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin) * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate * the cached file length */ - if (origin != SEEK_SET || origin != SEEK_CUR) { + if (origin == SEEK_SET || origin == SEEK_CUR) { int rc; struct inode *inode = file->f_path.dentry->d_inode; -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html