[LU-641] Use cfs_rwlock_t for obd_dev_lock instead of spinlock

• Type: Technical task
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.2.0
• Assignee: WC Triage
• Reporter: Jinshan Xiong (Inactive)

Description

it's a read mostly write rarely lock.

Issue Links

• Trackbacks: Changelog 2.2 version 2.2.0 Support for networks: o2iblnd OFED 1.5.4 Server support for kernels: 2.6.32220.4.2.el6 (RHEL6) Client support for unpatched kernels: 2.6.18274.18.1.el5 (RHEL5) 2.6.32220.4.2.el6 (RHEL6) 2.6.32.360....

Comments

[Build Master (Inactive)]

Integrated in lustre-master » i686,server,el5,ofa #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/linux/linux-module.c
• lustre/obdclass/class_obd.c
• lustre/obdclass/genops.c
• lustre/include/obd_class.h

[Build Master (Inactive)]

Integrated in lustre-master » i686,client,el5,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/genops.c
• lustre/obdclass/linux/linux-module.c
• lustre/obdclass/class_obd.c
• lustre/include/obd_class.h

[Build Master (Inactive)]

Integrated in lustre-master » i686,client,el5,ofa #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/genops.c
• lustre/include/obd_class.h
• lustre/obdclass/class_obd.c
• lustre/obdclass/linux/linux-module.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,server,el6,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/class_obd.c
• lustre/include/obd_class.h
• lustre/obdclass/genops.c
• lustre/obdclass/linux/linux-module.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el5,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/linux/linux-module.c
• lustre/obdclass/class_obd.c
• lustre/obdclass/genops.c
• lustre/include/obd_class.h

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el5,ofa #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/linux/linux-module.c
• lustre/include/obd_class.h
• lustre/obdclass/genops.c
• lustre/obdclass/class_obd.c

[Build Master (Inactive)]

Integrated in lustre-master » i686,server,el5,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/include/obd_class.h
• lustre/obdclass/genops.c
• lustre/obdclass/linux/linux-module.c
• lustre/obdclass/class_obd.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,server,el5,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/genops.c
• lustre/obdclass/linux/linux-module.c
• lustre/obdclass/class_obd.c
• lustre/include/obd_class.h

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el6,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/linux/linux-module.c
• lustre/include/obd_class.h
• lustre/obdclass/genops.c
• lustre/obdclass/class_obd.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,ubuntu1004,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

• lustre/obdclass/class_obd.c
• lustre/obdclass/linux/linux-module.c
• lustre/obdclass/genops.c
• lustre/include/obd_class.h