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authorSteffen Maier <maier@linux.vnet.ibm.com>2017-07-28 12:30:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-09-27 11:00:15 +0200
commitd0fbe221b8f13192afffb5fd44024dbfdfb8f656 (patch)
tree6c600d5adec656f1fb5d63988ecd396589b00fb9 /tools/perf/scripts
parent1a847369487c31b405e3bda614a36612250905ac (diff)
scsi: zfcp: fix missing trace records for early returns in TMF eh handlers
commit 1a5d999ebfc7bfe28deb48931bb57faa8e4102b6 upstream. For problem determination we need to see that we were in scsi_eh as well as whether and why we were successful or not. The following commits introduced new early returns without adding a trace record: v2.6.35 commit a1dbfddd02d2 ("[SCSI] zfcp: Pass return code from fc_block_scsi_eh to scsi eh") on fc_block_scsi_eh() returning != 0 which is FAST_IO_FAIL, v2.6.30 commit 63caf367e1c9 ("[SCSI] zfcp: Improve reliability of SCSI eh handlers in zfcp") on not having gotten an FSF request after the maximum number of retry attempts and thus could not issue a TMF and has to return FAILED. Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Fixes: a1dbfddd02d2 ("[SCSI] zfcp: Pass return code from fc_block_scsi_eh to scsi eh") Fixes: 63caf367e1c9 ("[SCSI] zfcp: Improve reliability of SCSI eh handlers in zfcp") Reviewed-by: Benjamin Block <bblock@linux.vnet.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts')
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