scsi: scsi_transport_srp: Replace min/max nesting with clamp()

This patch replaces min(a, max(b, c)) by clamp(val, lo, hi) in the SRP
transport layer. The clamp() macro explicitly expresses the intent of
constraining a value within bounds, improving code readability.

Signed-off-by: Li Haoran <[e-mail]>
Signed-off-by: Shao Mingyin <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Bart Van Assche <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/scsi_transport_srp.c

···
 			     "reconnect attempt %d failed (%d)\n",
 			     ++rport->failed_reconnects, res);
 		delay = rport->reconnect_delay *
-			min(100, max(1, rport->failed_reconnects - 10));
+			clamp(rport->failed_reconnects - 10, 1, 100);
 		if (delay > 0)
 			queue_delayed_work(system_long_wq,
 					   &rport->reconnect_work, delay * HZ);