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Groups > linux.kernel > #1499657
| From | Johannes Thumshirn <jthumshirn@suse.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 00/16] Convert FibreChannel bsg code to use bsg-lib |
| Date | 2016-10-12 15:10 +0200 |
| Message-ID | <srrsd-4OM-17@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
This series converts the current bsg usage in the FibreChannel drivers over
to use bsg-lib. SAS will follow once FC is in a good enough shape.
I did take some inspiration from a similar patchset from Mike Christie
dating back to 2011 but it's not a 1:1 copy. Patch 15/16 is heavily based
on his series and attribution is given to him in the commit message.
It is currently regression tested on FCoE using the 'fcns' and
'fcrls' utilities. I'm still trying to figure out how to test the other
LLDDs. So any pointer from the respective maintainers are appreciated
although the LLDD changes are purely mechanical. All they do is change from
'struct fc_bsg_job' to 'struct bsg_job' and corresponding changes in order
to get the series bisectable.
The idea for this change arose when discussing racy sysfs handling the FC
bsg code with Christoph and is a next step in moving all bsg clients to
bsg-lib to eventually clean up the in kernel bsg API.
Changes to v1:
* Reduce the number of individual patches (44 -> 16)
* Fix s390 build failure (forgotten to kill fc_bsg_job from zfcp_ext.h)
* Fix build failure on configs without CONFIG_BLK_DEV_BSGLIB
* Make bsg_job_get() call kref_get_unless_zero() and use it in scsi_transport_fc.c
Johannes Thumshirn (16):
scsi: Get rid of struct fc_bsg_buffer
scsi: don't use fc_bsg_job::request and fc_bsg_job::reply directly
scsi: fc: Export fc_bsg_jobdone and use it in FC drivers
scsi: Unify interfaces of fc_bsg_jobdone and bsg_job_done
scsi: fc: provide fc_bsg_to_shost() helper
scsi: fc: provide fc_bsg_to_rport() helper
scsi: libfc: don't set FC_RQST_STATE_DONE before calling
fc_bsg_jobdone()
scsi: fc: implement kref backed reference counting
block: add reference counting for struct bsg_job
scsi: change FC drivers to use 'struct bsg_job'
scsi: fc: Use bsg_destroy_job
scsi: fc: use bsg_softirq_done
scsi: fc: use bsg_job_done
block: add bsg_job_put() and bsg_job_get()
scsi: fc: move FC transport's bsg code to bsg-lib
block: unexport bsg_softirq_done() again
block/bsg-lib.c | 19 +-
drivers/s390/scsi/zfcp_ext.h | 4 +-
drivers/s390/scsi/zfcp_fc.c | 33 +--
drivers/scsi/Kconfig | 1 +
drivers/scsi/bfa/bfad_bsg.c | 62 +++---
drivers/scsi/bfa/bfad_im.h | 4 +-
drivers/scsi/ibmvscsi/ibmvfc.c | 40 ++--
drivers/scsi/libfc/fc_lport.c | 47 ++--
drivers/scsi/lpfc/lpfc_bsg.c | 375 +++++++++++++++++++-------------
drivers/scsi/lpfc/lpfc_crtn.h | 4 +-
drivers/scsi/qla2xxx/qla_bsg.c | 449 ++++++++++++++++++++++-----------------
drivers/scsi/qla2xxx/qla_def.h | 2 +-
drivers/scsi/qla2xxx/qla_gbl.h | 4 +-
drivers/scsi/qla2xxx/qla_iocb.c | 13 +-
drivers/scsi/qla2xxx/qla_isr.c | 52 +++--
drivers/scsi/qla2xxx/qla_mr.c | 15 +-
drivers/scsi/scsi_transport_fc.c | 409 ++++++-----------------------------
include/linux/bsg-lib.h | 4 +
include/scsi/libfc.h | 2 +-
include/scsi/scsi_transport_fc.h | 62 ++----
20 files changed, 745 insertions(+), 856 deletions(-)
--
1.8.5.6
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[PATCH v2 00/16] Convert FibreChannel bsg code to use bsg-lib Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:10 +0200
[PATCH v2 11/16] scsi: fc: Use bsg_destroy_job Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
[PATCH v2 03/16] scsi: fc: Export fc_bsg_jobdone and use it in FC drivers Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
Re: [PATCH v2 03/16] scsi: fc: Export fc_bsg_jobdone and use it in FC drivers Hannes Reinecke <hare@suse.de> - 2016-10-13 13:30 +0200
[PATCH v2 08/16] scsi: fc: implement kref backed reference counting Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
Re: [PATCH v2 08/16] scsi: fc: implement kref backed reference counting Hannes Reinecke <hare@suse.de> - 2016-10-13 13:50 +0200
Re: [PATCH v2 08/16] scsi: fc: implement kref backed reference counting Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-13 16:50 +0200
[PATCH v2 04/16] scsi: Unify interfaces of fc_bsg_jobdone and bsg_job_done Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
[PATCH v2 06/16] scsi: fc: provide fc_bsg_to_rport() helper Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
[PATCH v2 09/16] block: add reference counting for struct bsg_job Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
[PATCH v2 07/16] scsi: libfc: don't set FC_RQST_STATE_DONE before calling fc_bsg_jobdone() Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
[PATCH v2 05/16] scsi: fc: provide fc_bsg_to_shost() helper Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-12 15:20 +0200
Re: [PATCH v2 00/16] Convert FibreChannel bsg code to use bsg-lib Steffen Maier <maier@linux.vnet.ibm.com> - 2016-10-12 21:50 +0200
Re: [PATCH v2 00/16] Convert FibreChannel bsg code to use bsg-lib Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-13 10:30 +0200
Re: [PATCH v2 02/16] scsi: don't use fc_bsg_job::request and fc_bsg_job::reply directly Hannes Reinecke <hare@suse.de> - 2016-10-13 13:30 +0200
Re: [PATCH v2 02/16] scsi: don't use fc_bsg_job::request and fc_bsg_job::reply directly Steffen Maier <maier@linux.vnet.ibm.com> - 2016-10-13 17:20 +0200
Re: [PATCH v2 02/16] scsi: don't use fc_bsg_job::request and fc_bsg_job::reply directly Johannes Thumshirn <jthumshirn@suse.de> - 2016-10-13 18:30 +0200
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