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OpenCloudOS-Kernel/drivers/target/iscsi
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Nicholas Bellinger 9e20ae3397 iscsi-target; Allow an extra tag_num / 2 number of percpu_ida tags 
This patch bumps the default number of tags allocated per session by
iscsi-target via transport_alloc_session_tags() -> percpu_ida_init()
by another (tag_num / 2).

This is done to take into account the tags waiting to be acknowledged
and released in iscsit_ack_from_expstatsn(), but who's number are not
directly limited by the CmdSN Window queue_depth being enforced by
the target.

Using a larger value here is also useful to prevent percpu_ida_alloc()
from having to steal tags from other CPUs when no tags are available
on the local CPU, while waiting for unacknowledged tags to be released.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
 		2013-10-03 14:22:45 -07:00
..
Kconfig target: iscsi_target depends on NET 2011-07-28 20:16:18 +00:00
Makefile iscsi-target: Add iscsit_transport API template 2013-04-25 01:05:26 -07:00
iscsi_target.c iscsi-target: Perform release of acknowledged tags from RX context 2013-10-03 14:22:45 -07:00
iscsi_target.h iscsi/iser-target: Convert to command priv_size usage 2013-09-09 14:29:21 -07:00
iscsi_target_auth.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_auth.h
…
iscsi_target_configfs.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_configfs.h
…
iscsi_target_core.h target/iscsi: Bump versions to v4.1.0 2013-09-10 20:23:37 -07:00
iscsi_target_datain_values.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_datain_values.h
…
iscsi_target_device.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_device.h target/iscsi: Remove unneeded wrapper functions 2012-02-25 14:37:47 -08:00
iscsi_target_erl0.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_erl0.h
…
iscsi_target_erl1.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_erl1.h iscsit: use the itt_t abstract type 2012-10-03 14:21:50 -07:00
iscsi_target_erl2.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_erl2.h iscsit: proper endianess conversions 2012-10-03 14:39:22 -07:00
iscsi_target_login.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-09-12 16:11:45 -07:00
iscsi_target_login.h iscsi-target: Prepare login code for multi-plexing support 2013-09-09 13:34:09 -07:00
iscsi_target_nego.c iscsi-target; Allow an extra tag_num / 2 number of percpu_ida tags 2013-10-03 14:22:45 -07:00
iscsi_target_nego.h iscsi-target: Initial traditional TCP conversion to iscsit_transport 2013-04-25 01:05:26 -07:00
iscsi_target_nodeattrib.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_nodeattrib.h
…
iscsi_target_parameters.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_parameters.h iscsi-target: fix heap buffer overflow on error 2013-05-30 18:07:54 -07:00
iscsi_target_seq_pdu_list.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_seq_pdu_list.h target/iscsi: Fold _decide_list_to_build into _build_pdu_and_seq_lists 2012-04-14 17:40:38 -07:00
iscsi_target_stat.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_stat.h
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iscsi_target_tmr.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_tmr.h
…
iscsi_target_tpg.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_tpg.h iscsi-target: Add login negotiation multi-plexing support 2013-09-09 14:13:31 -07:00
iscsi_target_tq.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_tq.h iscsi-target: Add thread_set->ts_activate_sem + use common deallocate 2013-09-10 20:23:05 -07:00
iscsi_target_transport.c iscsi-target: Add iscsit_transport API template 2013-04-25 01:05:26 -07:00
iscsi_target_util.c iscsi-target: Only perform wait_for_tasks when performing shutdown 2013-10-03 14:22:44 -07:00
iscsi_target_util.h iscsi-target: Fix iscsit_sequence_cmd reject handling for iser 2013-07-06 21:59:54 -07:00