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  1. Lustre
  2. LU-19 imperative recovery
  3. LU-641

Use cfs_rwlock_t for obd_dev_lock instead of spinlock

Details

    • Technical task
    • Resolution: Fixed
    • Minor
    • Lustre 2.2.0
    • None
    • None
    • 4897

    Description

      it's a read mostly write rarely lock.

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          [Confluence: Whamcloud Community Space] 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....

          Activity

            [LU-641] Use cfs_rwlock_t for obd_dev_lock instead of spinlock
            adilger Andreas Dilger made changes -
            Fix Version/s New: Lustre 2.2.0 [ 10082 ]
            Resolution New: Fixed [ 1 ]
            Status Original: Open [ 1 ] New: Resolved [ 5 ]
            adilger Andreas Dilger made changes -
            Parent New: LU-19 [ 10116 ]
            Issue Type Original: Improvement [ 4 ] New: Technical task [ 7 ]
            pjones Peter Jones made changes -
            Assignee Original: Robert Read [ rread ] New: WC Triage [ wc-triage ]
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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
            hudson Build Master (Inactive) added a comment -

            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
            hudson Build Master (Inactive) added a comment - 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

            People

              wc-triage WC Triage
              jay Jinshan Xiong (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: