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| author | Jens Axboe <axboe@kernel.dk> | 2022-09-22 00:19:54 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-30 16:49:09 +0300 |
| commit | de671d6116b5210097cd6fbb877bac92536f265b (patch) | |
| tree | c230b310a4475736c46dd83cb8207acd7dc90427 /drivers/scsi/sg.c | |
| parent | 4b6a5d9cea911424e84107df8c4eb8317938d2cd (diff) | |
| download | linux-de671d6116b5210097cd6fbb877bac92536f265b.tar.xz | |
block: change request end_io handler to pass back a return value
Everything is just converted to returning RQ_END_IO_NONE, and there
should be no functional changes with this patch.
In preparation for allowing the end_io handler to pass ownership back
to the block layer, rather than retain ownership of the request.
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 340b050ad28d..94c5e9a9309c 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -177,7 +177,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */ } Sg_device; /* tasklet or soft irq callback */ -static void sg_rq_end_io(struct request *rq, blk_status_t status); +static enum rq_end_io_ret sg_rq_end_io(struct request *rq, blk_status_t status); static int sg_start_req(Sg_request *srp, unsigned char *cmd); static int sg_finish_rem_req(Sg_request * srp); static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size); @@ -1311,7 +1311,7 @@ sg_rq_end_io_usercontext(struct work_struct *work) * This function is a "bottom half" handler that is called by the mid * level when a command is completed (or has failed). */ -static void +static enum rq_end_io_ret sg_rq_end_io(struct request *rq, blk_status_t status) { struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); @@ -1324,11 +1324,11 @@ sg_rq_end_io(struct request *rq, blk_status_t status) int result, resid, done = 1; if (WARN_ON(srp->done != 0)) - return; + return RQ_END_IO_NONE; sfp = srp->parentfp; if (WARN_ON(sfp == NULL)) - return; + return RQ_END_IO_NONE; sdp = sfp->parentdp; if (unlikely(atomic_read(&sdp->detaching))) @@ -1406,6 +1406,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) INIT_WORK(&srp->ew.work, sg_rq_end_io_usercontext); schedule_work(&srp->ew.work); } + return RQ_END_IO_NONE; } static const struct file_operations sg_fops = { |