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authorChristof Schmitt <christof.schmitt@de.ibm.com>2007-12-20 11:30:24 (GMT)
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-12 00:29:03 (GMT)
commit951f746fece2e24a26853b3872d16e9013b6fe0b (patch)
treec63d1a0a262cb642bd2861b774b647de8f048b18 /lib/klist.c
parent8627533c115c546649693d68fed6a74762c47d51 (diff)
downloadlinux-fsl-qoriq-951f746fece2e24a26853b3872d16e9013b6fe0b.tar.xz
[SCSI] zfcp: Hold queue lock when checking port/unit handle for abort command
We need to hold the queue-lock when checking whether we still have a valid unit/port handle for the abort command, i.e whether we can issue this request for this unit/port. If the error recovery is about to close this unit/port, then it competes for the queue-lock. If the close request issued by the error recovery wins, then it is guaranteed that this unit/port has been blocked for other requests. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Martin Peschke <mp3@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'lib/klist.c')
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