[SCSI] megaraid_sas: switch fw_outstanding to an atomic_t

This patch( originally submitted by Christoph Hellwig) removes
instance_lock and changes fw_outstanding variable data type to
atomic_t.

Signed-off-by: Sumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/Documentation/scsi/ChangeLog.megaraid_sas b/Documentation/scsi/ChangeLog.megaraid_sas
index 2dafa63bd370bd1632f08f73687e210f08636494..0a85a7e8120e5a7cbadc895fc038b58ea96d7815 100644 (file)
--- a/Documentation/scsi/ChangeLog.megaraid_sas
+++ b/Documentation/scsi/ChangeLog.megaraid_sas
@@ -1,3 +1,16 @@
+
+1 Release Date    : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com>
+2 Current Version : 00.00.02.04
+3 Older Version   : 00.00.02.04 
+
+i.     Remove superflous instance_lock
+
+       gets rid of the otherwise superflous instance_lock and avoids an unsave 
+       unsynchronized access in the error handler.
+
+               - Christoph Hellwig <hch@lst.de>
+
+
 1 Release Date    : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com>
 2 Current Version : 00.00.02.04
 3 Older Version   : 00.00.02.04 

diff --cc drivers/scsi/megaraid/megaraid_sas.c
Simple merge

diff --cc drivers/scsi/megaraid/megaraid_sas.h
Simple merge