imperative recovery (LU-19)

[LU-641] Use cfs_rwlock_t for obd_dev_lock instead of spinlock Created: 25/Aug/11  Updated: 20/Jan/12  Resolved: 20/Jan/12

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.2.0

Type: Technical task Priority: Minor
Reporter: Jinshan Xiong (Inactive) Assignee: WC Triage
Resolution: Fixed Votes: 0
Labels: None

Rank (Obsolete): 4897

 Description   

it's a read mostly write rarely lock.

 Comments   
Comment by Jinshan Xiong (Inactive) [ 25/Aug/11 ]

patch is at: http://review.whamcloud.com/1294

Comment by Build Master (Inactive) [ 03/Oct/11 ]

Integrated in lustre-master » x86_64,client,sles11,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

  • lustre/obdclass/genops.c
  • lustre/obdclass/class_obd.c
  • lustre/include/obd_class.h
  • lustre/obdclass/linux/linux-module.c
Comment by Build Master (Inactive) [ 03/Oct/11 ]

Integrated in lustre-master » i686,server,el6,inkernel #285
LU-641 obdclass: use rwlock for obd_dev_lock

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

  • lustre/obdclass/linux/linux-module.c
  • lustre/obdclass/genops.c
  • lustre/include/obd_class.h
  • lustre/obdclass/class_obd.c
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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

Oleg Drokin : bef2828d5dbe56fd0a59c2a260794771f89795b8
Files :

  • lustre/obdclass/genops.c
  • lustre/obdclass/class_obd.c
  • lustre/obdclass/linux/linux-module.c
  • lustre/include/obd_class.h
Comment by Build Master (Inactive) [ 03/Oct/11 ]

Integrated in lustre-master » i686,client,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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
Comment by Build Master (Inactive) [ 03/Oct/11 ]

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
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