xfs: remove the unused XFS_ATTR_NONBLOCK flag

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

fs/xfs/xfs_ioctl.c

@@ -661,9 +661,6 @@ xfs_ioc_space(
 	if (!S_ISREG(inode->i_mode))
 		return -XFS_ERROR(EINVAL);
 
-	if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
-		attr_flags |= XFS_ATTR_NONBLOCK;
-
 	if (filp->f_flags & O_DSYNC)
 		attr_flags |= XFS_ATTR_SYNC;
 

fs/xfs/xfs_iops.h

@@ -31,7 +31,6 @@ extern void xfs_setup_inode(struct xfs_inode *);
  * Internal setattr interfaces.
  */
 #define	XFS_ATTR_DMI		0x01	/* invocation from a DMI function */
-#define	XFS_ATTR_NONBLOCK	0x02	/* return EAGAIN if op would block */
 #define XFS_ATTR_NOLOCK		0x04	/* Don't grab any conflicting locks */
 #define XFS_ATTR_NOACL		0x08	/* Don't call xfs_acl_chmod */
 #define XFS_ATTR_SYNC		0x10	/* synchronous operation required */