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Bart Van Assche 9ff9d15edd target: Invoke release_cmd() callback without holding a spinlock 
This patch fixes the following kernel warning because it avoids that
IRQs are disabled while ft_release_cmd() is invoked (fc_seq_set_resp()
invokes spin_unlock_bh()):

WARNING: CPU: 3 PID: 117 at kernel/softirq.c:150 __local_bh_enable_ip+0xaa/0x110()
Call Trace:
 [<ffffffff814f71eb>] dump_stack+0x4f/0x7b
 [<ffffffff8105e56a>] warn_slowpath_common+0x8a/0xc0
 [<ffffffff8105e65a>] warn_slowpath_null+0x1a/0x20
 [<ffffffff81062b2a>] __local_bh_enable_ip+0xaa/0x110
 [<ffffffff814ff229>] _raw_spin_unlock_bh+0x39/0x40
 [<ffffffffa03a7f94>] fc_seq_set_resp+0xe4/0x100 [libfc]
 [<ffffffffa02e604a>] ft_free_cmd+0x4a/0x90 [tcm_fc]
 [<ffffffffa02e6972>] ft_release_cmd+0x12/0x20 [tcm_fc]
 [<ffffffffa042bd66>] target_release_cmd_kref+0x56/0x90 [target_core_mod]
 [<ffffffffa042caf0>] target_put_sess_cmd+0xc0/0x110 [target_core_mod]
 [<ffffffffa042cb81>] transport_release_cmd+0x41/0x70 [target_core_mod]
 [<ffffffffa042d975>] transport_generic_free_cmd+0x35/0x420 [target_core_mod]

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Joern Engel <joern@logfs.org>
Reviewed-by: Andy Grover <agrover@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-11-28 19:33:23 -08:00
..
iscsi
iscsi-target: Fix rx_login_comp hang after login failure
2015-11-28 19:33:08 -08:00
loopback
SCSI misc on 20151113
2015-11-13 20:35:54 -08:00
sbp
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
tcm_fc
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
Kconfig
target: Put TCMU under a new config option
2015-04-19 22:41:12 -07:00
Makefile
target: Put TCMU under a new config option
2015-04-19 22:41:12 -07:00
target_core_alua.c
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2015-07-04 14:13:43 -07:00
target_core_alua.h
target: Subsume se_port + t10_alua_tg_pt_gp_member into se_lun
2015-06-01 00:26:38 -07:00
target_core_configfs.c
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
target_core_device.c
target: Make TCM_WRITE_PROTECT failure honor D_SENSE bit
2015-09-24 23:17:27 -07:00
target_core_fabric_configfs.c
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
target_core_fabric_lib.c
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2015-07-04 14:13:43 -07:00
target_core_file.c
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2015-07-04 14:13:43 -07:00
target_core_file.h
target/file: Remove fd_prot bounce buffer
2015-05-30 22:41:42 -07:00
target_core_hba.c
target: Fix target_sense_desc_format NULL pointer dereference
2015-09-24 23:17:23 -07:00
target_core_iblock.c
block: Consolidate static integrity profile properties
2015-10-21 14:42:38 -06:00
target_core_iblock.h
target: kill struct se_subsystem_dev
2012-11-06 20:55:43 -08:00
target_core_internal.h
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
target_core_pr.c
target: Fix PR registration + APTPL RCU conversion regression
2015-09-24 23:17:07 -07:00
target_core_pr.h
target: use 64-bit LUNs
2015-06-15 23:26:01 -07:00
target_core_pscsi.c
block: add a bi_error field to struct bio
2015-07-29 08:55:15 -06:00
target_core_pscsi.h
SCSI misc on 20150622
2015-06-23 15:55:44 -07:00
target_core_rd.c
Merge branch 'for-4.3/sg' of git://git.kernel.dk/linux-block
2015-09-02 13:22:38 -07:00
target_core_rd.h
target/rd: Add support for protection SGL setup + release
2014-01-19 02:22:05 +00:00
target_core_sbc.c
target: Fix race for SCF_COMPARE_AND_WRITE_POST checking
2015-11-28 19:33:15 -08:00
target_core_spc.c
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2015-09-11 19:00:42 -07:00
target_core_stat.c
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
target_core_tmr.c
target: Invoke release_cmd() callback without holding a spinlock
2015-11-28 19:33:23 -08:00
target_core_tpg.c
target: Propigate backend read-only to core_tpg_add_lun
2015-09-24 23:17:21 -07:00
target_core_transport.c
target: Invoke release_cmd() callback without holding a spinlock
2015-11-28 19:33:23 -08:00
target_core_ua.c
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2015-07-04 14:13:43 -07:00
target_core_ua.h
target: Send UA when changing LUN inventory
2015-06-23 00:43:02 -07:00
target_core_user.c
target/user: Do not set unused fields in tcmu_ops
2015-11-28 19:32:52 -08:00
target_core_xcopy.c
target: Attach EXTENDED_COPY local I/O descriptors to xcopy_pt_sess
2015-09-11 00:32:26 -07:00
target_core_xcopy.h
target: Add support for EXTENDED_COPY copy offload emulation
2013-09-10 16:48:43 -07:00