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linux/drivers/nvme/target
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James Smart 71686d2a17 nvmet-fc: correct ref counting error when deferred rcv used 
[ Upstream commit 619c62dcc6 ]

Whenever a cmd is received a reference is taken while looking up the
queue. The reference is removed after the cmd is done as the iod is
returned for reuse. The fod may be reused for a deferred (recevied but
no job context) cmd.  Existing code removes the reference only if the
fod is not reused for another command. Given the fod may be used for
one or more ios, although a reference was taken per io, it won't be
matched on the frees.

Remove the reference on every fod free. This pairs the references to
each io.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-02-03 17:38:59 +01:00
..
admin-cmd.c nvmet: add support for reporting the host identifier 2017-08-30 15:05:18 +02:00
configfs.c nvmet: use NVME_NSID_ALL 2017-08-28 21:38:19 +02:00
core.c nvmet: synchronize sqhd update 2017-10-19 09:16:12 +02:00
discovery.c nvme: use a single NVME_AQ_DEPTH and relax it to 32 2017-06-28 08:14:13 -06:00
fabrics-cmd.c nvmet: implement valid sqhd values in completions 2017-09-25 08:56:05 -06:00
fc.c nvmet-fc: correct ref counting error when deferred rcv used 2018-02-03 17:38:59 +01:00
fcloop.c nvme-fcloop: fix port deletes and callbacks 2017-09-25 12:42:11 -06:00
io-cmd.c block: replace bi_bdev with a gendisk pointer and partitions index 2017-08-23 12:49:55 -06:00
Kconfig nvme-fabrics: Add FC LLDD loopback driver to test FC-NVME 2016-12-06 14:51:48 +01:00
loop.c nvme-loop: check if queue is ready in queue_rq 2018-02-03 17:38:58 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nvmet.h nvmet: synchronize sqhd update 2017-10-19 09:16:12 +02:00
rdma.c nvmet-rdma: update queue list during ib_device removal 2017-12-17 15:08:00 +01:00