[SCSI] Reduce polling in sd.c
authorAlan Stern <stern@rowland.harvard.edu>
Wed, 11 Oct 2006 20:48:28 +0000 (16:48 -0400)
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>
Wed, 15 Nov 2006 18:11:36 +0000 (12:11 -0600)
commitb4d38e38e66f8e1b32a1b1c00e533175314c8d56
tree4ce358a859e9009b78fee13f9273b0dbb23de7bc
parent3e082a910d217b2e7b186077ebf5a1126a68c62f
[SCSI] Reduce polling in sd.c

If a drive reports that no media is present, there's no point in
continuing to ask it about media status.  This patch (as696) cuts the
TUR polling short as soon as the drive reports no media instead of
going a full 3 iterations.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
drivers/scsi/sd.c