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CVS commit: [netbsd-6] src/sys/dev/iscsi
Module Name: src
Committed By: riz
Date: Tue Jun 12 19:41:26 UTC 2012
src/sys/dev/iscsi [netbsd-6]: iscsi_rcv.c iscsi_send.c
Pull up following revision(s) (requested by mhitch in ticket #323):
sys/dev/iscsi/iscsi_send.c: revision 1.2
sys/dev/iscsi/iscsi_rcv.c: revision 1.2
Fix system freeze when trying to write to a raw iSCSI device with MAXPHYS
bytes. Newfs does large writes when initializing the filesystem.
First, don't copy the head of a TAILQ to make a copy - the first entry will
still point back to the original head. This caused the ccb list to link to
itself, resulting in a continous loop processing the same ccb and blocked
interrupts. Use TAILQ_CONCAT() to copy the list.
Next, the ccb disposition was not set in the ccb when the ccb was throttled,
losing the CCBDISP_SCSIPI, so when a throttled ccb was resent, it failed to
call scscipi_done(), and left that I/O hanging.
I am now able to newfs an iSCSI device, was well as issued large writes
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r188.8.131.52 src/sys/dev/iscsi/iscsi_rcv.c \
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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