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scst/include/backport.h: Do not set rq->end_io to NULL

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Fix a regression introduced during d989aa91f3 ("scst_lib: Port to
Linux kernel v5.19") that breaks dev_disk operation.

The kernel function blk_execute_rq_nowait will set rq->end_io to the
done parameter, so pass in the existing rq->end_io rather than NULL
to prevent zeroing it.

Fixes: d989aa91f3 ("scst_lib: Port to Linux kernel v5.19")
[ glebchesn: added patch description ]
This commit is contained in:
Brian Meagher
2023-01-05 07:41:25 -08:00
committed by Gleb Chesnokov
parent 01c489c05f
commit cbc8d5ee9b
1 changed files with 3 additions and 3 deletions
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6
scst/include/backport.h
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@@ -204,15 +204,15 @@ void blk_execute_rq_nowait_backport(struct request *rq, bool at_head)
* See also commit 8eeed0b554b9 ("block: remove unnecessary argument from
* blk_execute_rq_nowait") # v5.12.
*/
blk_execute_rq_nowait(rq->q, NULL, rq, at_head, NULL);
blk_execute_rq_nowait(rq->q, NULL, rq, at_head, rq->end_io);
#elif LINUX_VERSION_CODE < KERNEL_VERSION(5, 17, 0)
/*
* See also commit b84ba30b6c7a ("block: remove the gendisk argument to
* blk_execute_rq") # v5.17.
*/
blk_execute_rq_nowait(NULL, rq, at_head, NULL);
blk_execute_rq_nowait(NULL, rq, at_head, rq->end_io);
#else
blk_execute_rq_nowait(rq, at_head, NULL);
blk_execute_rq_nowait(rq, at_head, rq->end_io);
#endif
}