[PATCH] remove file.f_maxcount

struct file cleanup: f_maxcount has an unique value (INT_MAX).  Just use
the hard-wired value.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/file_table.c

@@ -89,7 +89,6 @@ struct file *get_empty_filp(void)
 	rwlock_init(&f->f_owner.lock);
 	/* f->f_version: 0 */
 	INIT_LIST_HEAD(&f->f_list);
-	f->f_maxcount = INT_MAX;
 	return f;
 
 over:

fs/read_write.c

@@ -188,7 +188,7 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count
 	struct inode *inode;
 	loff_t pos;
 
-	if (unlikely(count > file->f_maxcount))
+	if (unlikely(count > INT_MAX))
 		goto Einval;
 	pos = *ppos;
 	if (unlikely((pos < 0) || (loff_t) (pos + count) < 0))

include/linux/fs.h

@@ -594,7 +594,6 @@ struct file {
 	unsigned int		f_uid, f_gid;
 	struct file_ra_state	f_ra;
 
-	size_t			f_maxcount;
 	unsigned long		f_version;
 	void			*f_security;