[RFC] blk-core: remove blk_put_request()

Message ID	20210222211115.30416-1-chaitanya.kulkarni@wdc.com (mailing list archive)
State	Not Applicable
Headers	show Return-Path: <linux-scsi-owner@kernel.org> IronPort-SDR: VAmHiYwLcDs/2ttr74Bj9CDMy313ds+2e7Fzs9paoTbniTLt5UFdbJKGH5Q9IcRhRX6cdG7g+H kCsllWruhs0zpQLJUoG5fMrcKvPgdVo+xOYF/FmrSosUL9LC1WMlXzF7xkbBgKldoqT+4TbME2 hV1RhRZ4Az7+rfy6yezoe0XHf8am+uXzpkevhnapSdNWqWIqfIujtcyb5qIlS7/sQNZWGJ1cjw IO/U0yl6/HdAXJUafRQSMkr5RMaZssr+HJ+7N4P5FA8LommC6TpQH1bPPDr4ICDBRHxLIoagxd jno= IronPort-SDR: koDEnCddQN882VXL5jLjf7rUwERZ4cCLEOLsoJUB4FEAJYy+Cj31yg6e42ke1RAklNsiK7J59V sZ0k7lUrKHvbGskfVVoVRMi/fppw1QtB5WlNlxr8vIhfVXgm9YWTi9tRefdI/dD5MH4lbHIB87 HB0xcDXaRLkskwgYU5OhObI20zz4tmLnH127AKcDWiY3byfh2I+14157fGnu2uCsPbx513lkse VSXn6y8QAk1XyH/+QY9AChnNrjga5sv5isulqCfmsUkFELM4xQWNDj6Edlc16FqLKfu89xogKf 6OtS/PjDm1c4oqsx3A9AWIie IronPort-SDR: fRfcqDGdkdW2oAob0INVPkDULHy7+ONF7bYg/WFeMyp4ZTsYLxwO5t5AsMobCB+iAJnTe+hSsV RpYQpp97z4En5D6sT5iJ4fAB9bG/1B+bPRG1NbnOwN4/OhEyb3kmMTVEzGUl8hD9Kj+CD6oru3 ksK5mTMQzY/7FXlG0X2OQeEadwyEk+/OXCJ2zdSkcbAV89dpPklnd/7q1RTWV0V1sHjlwWEM41 0/0lfUKBXQK5nHKuIwsVn4J0JP/NeZUdqGegDiGTcG2cZAf6+qUJpttLO42bRi5wHBp779dIwZ KHY= WDCIronportException: Internal From: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-ide@vger.kernel.org, linux-mmc@vger.kernel.org, target-devel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-block@vger.kernel.org, dm-devel@redhat.com Cc: axboe@kernel.dk, fujita.tomonori@lab.ntt.co.jp, tim@cyberelk.net, mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com, davem@davemloft.net, bp@alien8.de, agk@redhat.com, snitzer@redhat.com, ulf.hansson@linaro.org, jejb@linux.ibm.com, martin.petersen@oracle.com, dgilbert@interlog.com, Kai.Makisara@kolumbus.fi, alim.akhtar@samsung.com, avri.altman@wdc.com, bfields@fieldses.org, chuck.lever@oracle.com, baolin.wang@linaro.org, vbadigan@codeaurora.org, zliua@micron.com, richard.peng@oppo.com, chaitanya.kulkarni@wdc.com, guoqing.jiang@cloud.ionos.com, stanley.chu@mediatek.com, cang@codeaurora.org, asutoshd@codeaurora.org, beanhuo@micron.com, jaegeuk@kernel.org Subject: [RFC PATCH] blk-core: remove blk_put_request() Date: Mon, 22 Feb 2021 13:11:15 -0800 Message-Id: <20210222211115.30416-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	[RFC] blk-core: remove blk_put_request() \| expand [RFC] blk-core: remove blk_put_request()

diff --git a/block/blk-core.c b/block/blk-core.c index fc60ff208497..1754f5e7cc80 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -642,12 +642,6 @@ struct request *blk_get_request(struct request_queue *q, unsigned int op, } EXPORT_SYMBOL(blk_get_request); -void blk_put_request(struct request *req) -{ - blk_mq_free_request(req); -} -EXPORT_SYMBOL(blk_put_request); - static void handle_bad_sector(struct bio *bio, sector_t maxsector) { char b[BDEVNAME_SIZE]; diff --git a/block/blk-merge.c b/block/blk-merge.c index ffb4aa0ea68b..f3493ee243fd 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -845,7 +845,7 @@ int blk_attempt_req_merge(struct request_queue *q, struct request *rq, free = attempt_merge(q, rq, next); if (free) { - blk_put_request(free); + blk_mq_free_request(free); return 1; } diff --git a/block/bsg-lib.c b/block/bsg-lib.c index 330fede77271..8ea2b33783fb 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -67,7 +67,7 @@ static int bsg_transport_fill_hdr(struct request *rq, struct sg_io_v4 *hdr, out_free_bidi_rq: if (job->bidi_rq) - blk_put_request(job->bidi_rq); + blk_mq_free_request(job->bidi_rq); out: kfree(job->request); return ret; @@ -128,7 +128,7 @@ static void bsg_transport_free_rq(struct request *rq) if (job->bidi_rq) { blk_rq_unmap_user(job->bidi_bio); - blk_put_request(job->bidi_rq); + blk_mq_free_request(job->bidi_rq); } kfree(job->request); diff --git a/block/bsg.c b/block/bsg.c index bd10922d5cbb..4ddc84aebecf 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -158,7 +158,7 @@ static int bsg_sg_io(struct request_queue *q, fmode_t mode, void __user *uarg) ret = q->bsg_dev.ops->fill_hdr(rq, &hdr, mode); if (ret) { - blk_put_request(rq); + blk_mq_free_request(rq); return ret; } @@ -189,7 +189,7 @@ static int bsg_sg_io(struct request_queue *q, fmode_t mode, void __user *uarg) out_free_rq: rq->q->bsg_dev.ops->free_rq(rq); - blk_put_request(rq); + blk_mq_free_request(rq); if (!ret && copy_to_user(uarg, &hdr, sizeof(hdr))) return -EFAULT; return ret; diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 6599bac0a78c..52cd3fd924fc 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -366,7 +366,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, out_free_cdb: scsi_req_free_cmd(req); out_put_request: - blk_put_request(rq); + blk_mq_free_request(rq); return ret; } @@ -509,7 +509,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, } error: - blk_put_request(rq); + blk_mq_free_request(rq); error_free_buffer: kfree(buffer); @@ -534,7 +534,7 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk, scsi_req(rq)->cmd_len = 6; blk_execute_rq(bd_disk, rq, 0); err = scsi_req(rq)->result ? -EIO : 0; - blk_put_request(rq); + blk_mq_free_request(rq); return err; } diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index 897acda20ac8..381fc0cf0b35 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -782,7 +782,7 @@ static int pd_special_command(struct pd_unit *disk, req->func = func; blk_execute_rq(disk->gd, rq, 0); - blk_put_request(rq); + blk_mq_free_request(rq); return 0; } diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index fc4b0f1aa86d..bb8d7ad52550 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -726,7 +726,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command * if (scsi_req(rq)->result) ret = -EIO; out: - blk_put_request(rq); + blk_mq_free_request(rq); return ret; } diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index b0285db7cf4f..691d6d7ab135 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -323,7 +323,7 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str) blk_execute_rq(vblk->disk, req, false); err = blk_status_to_errno(virtblk_result(blk_mq_rq_to_pdu(req))); out: - blk_put_request(req); + blk_mq_free_request(req); return err; } diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 90ad34c6ef8e..9131438da983 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2195,7 +2195,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL); if (ret) { - blk_put_request(rq); + blk_mq_free_request(rq); break; } @@ -2226,7 +2226,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, if (blk_rq_unmap_user(bio)) ret = -EFAULT; - blk_put_request(rq); + blk_mq_free_request(rq); if (ret) break; diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index a1ce9f5ac3aa..0e8446189d67 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -110,7 +110,7 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk, blk_execute_rq(disk, rq, 0); error = scsi_req(rq)->result ? -EIO : 0; put_req: - blk_put_request(rq); + blk_mq_free_request(rq); return error; } EXPORT_SYMBOL_GPL(ide_queue_pc_tail); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index cffbcc27a34c..c32022a40ce7 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -462,7 +462,7 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd, error = blk_rq_map_kern(drive->queue, rq, buffer, *bufflen, GFP_NOIO); if (error) { - blk_put_request(rq); + blk_mq_free_request(rq); return error; } } @@ -501,7 +501,7 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd, } --retries; } - blk_put_request(rq); + blk_mq_free_request(rq); if (delay) ssleep(2); } while (failed && retries >= 0); diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 011eab9c69b7..83920542bdcb 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -301,7 +301,7 @@ int ide_cdrom_reset(struct cdrom_device_info *cdi) rq->rq_flags = RQF_QUIET; blk_execute_rq(cd->disk, rq, 0); ret = scsi_req(rq)->result ? -EIO : 0; - blk_put_request(rq); + blk_mq_free_request(rq); /* * A reset will unlock the door. If it was previously locked, * lock it again. diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c index ca1d4b3d3878..3d09a17b0f93 100644 --- a/drivers/ide/ide-devsets.c +++ b/drivers/ide/ide-devsets.c @@ -175,7 +175,7 @@ int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting, blk_execute_rq(NULL, rq, 0); ret = scsi_req(rq)->result; - blk_put_request(rq); + blk_mq_free_request(rq); return ret; } diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 8413731c6259..afa94ab8c7e3 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -483,7 +483,7 @@ static int set_multcount(ide_drive_t *drive, int arg) drive->mult_req = arg; drive->special_flags |= IDE_SFLAG_SET_MULTMODE; blk_execute_rq(NULL, rq, 0); - blk_put_request(rq); + blk_mq_free_request(rq); return (drive->mult_count == arg) ? 0 : -EIO; } diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index 43fbc37d85c3..8096f3afae12 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -139,7 +139,7 @@ static int ide_cmd_ioctl(ide_drive_t *drive, void __user *argp) ide_req(rq)->type = ATA_PRIV_TASKFILE; blk_execute_rq(NULL, rq, 0); err = scsi_req(rq)->result ? -EIO : 0; - blk_put_request(rq); + blk_mq_free_request(rq); return err; } @@ -237,7 +237,7 @@ static int generic_drive_reset(ide_drive_t *drive) scsi_req(rq)->cmd[0] = REQ_DRIVE_RESET; blk_execute_rq(NULL, rq, 1); ret = scsi_req(rq)->result; - blk_put_request(rq); + blk_mq_free_request(rq); return ret; } diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c index a80a0f28f7b9..38e7194b69df 100644 --- a/drivers/ide/ide-park.c +++ b/drivers/ide/ide-park.c @@ -39,7 +39,7 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) ide_req(rq)->special = &timeout; blk_execute_rq(NULL, rq, 1); rc = scsi_req(rq)->result ? -EIO : 0; - blk_put_request(rq); + blk_mq_free_request(rq); if (rc) goto out; diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c index d680b3e3295f..75105188b2b1 100644 --- a/drivers/ide/ide-pm.c +++ b/drivers/ide/ide-pm.c @@ -29,7 +29,7 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg) blk_execute_rq(NULL, rq, 0); ret = scsi_req(rq)->result ? -EIO : 0; - blk_put_request(rq); + blk_mq_free_request(rq); if (ret == 0 && ide_port_acpi(hwif)) { /* call ACPI _PS3 only after both devices are suspended */ @@ -84,7 +84,7 @@ int generic_ide_resume(struct device *dev) rqpm.pm_state = PM_EVENT_ON; err = ide_pm_execute_rq(rq); - blk_put_request(rq); + blk_mq_free_request(rq); if (err == 0 && dev->driver) { struct ide_driver *drv = to_ide_driver(dev->driver); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index fa05e7e7d609..696f175d565d 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -882,7 +882,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int size) if (scsi_req(rq)->result == IDE_DRV_ERROR_GENERAL) ret = -EIO; out_put: - blk_put_request(rq); + blk_mq_free_request(rq); return ret; } diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 6665fc4724b9..b7624e0e9fb1 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -446,7 +446,7 @@ int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf, blk_execute_rq(NULL, rq, 0); error = scsi_req(rq)->result ? -EIO : 0; put_req: - blk_put_request(rq); + blk_mq_free_request(rq); return error; } EXPORT_SYMBOL(ide_raw_taskfile); diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index bced42f082b0..4189ddeb305e 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -579,7 +579,7 @@ static void multipath_release_clone(struct request *clone, clone->io_start_time_ns); } - blk_put_request(clone); + blk_mq_free_request(clone); } /* diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index a1d6b68320ae..64e889f702f7 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -255,7 +255,7 @@ static ssize_t power_ro_lock_store(struct device *dev, req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_BOOT_WP; blk_execute_rq(NULL, req, 0); ret = req_to_mmc_queue_req(req)->drv_op_result; - blk_put_request(req); + blk_mq_free_request(req); if (!ret) { pr_info("%s: Locking boot partition ro until next power on\n", @@ -632,7 +632,7 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md, blk_execute_rq(NULL, req, 0); ioc_err = req_to_mmc_queue_req(req)->drv_op_result; err = mmc_blk_ioctl_copy_to_user(ic_ptr, idata); - blk_put_request(req); + blk_mq_free_request(req); cmd_done: kfree(idata->buf); @@ -705,7 +705,7 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md, for (i = 0; i < num_of_cmds && !err; i++) err = mmc_blk_ioctl_copy_to_user(&cmds[i], idata[i]); - blk_put_request(req); + blk_mq_free_request(req); cmd_err: for (i = 0; i < num_of_cmds; i++) { @@ -2728,7 +2728,7 @@ static int mmc_dbg_card_status_get(void *data, u64 *val) *val = ret; ret = 0; } - blk_put_request(req); + blk_mq_free_request(req); return ret; } @@ -2763,7 +2763,7 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp) req_to_mmc_queue_req(req)->drv_op_data = &ext_csd; blk_execute_rq(NULL, req, 0); err = req_to_mmc_queue_req(req)->drv_op_result; - blk_put_request(req); + blk_mq_free_request(req); if (err) { pr_err("FAILED %d\n", err); goto out_free; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index c00f06e9ecb0..9ae8a699b934 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1971,7 +1971,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) static void eh_lock_door_done(struct request *req, blk_status_t status) { - blk_put_request(req); + blk_mq_free_request(req); } /** diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 4d2280658559..48a0a2cbec6b 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -288,7 +288,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, scsi_normalize_sense(rq->sense, rq->sense_len, sshdr); ret = rq->result; out: - blk_put_request(req); + blk_mq_free_request(req); return ret; } diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 4383d93110f8..7fd52e117737 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -811,7 +811,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, if (atomic_read(&sdp->detaching)) { if (srp->bio) { scsi_req_free_cmd(scsi_req(srp->rq)); - blk_put_request(srp->rq); + blk_mq_free_request(srp->rq); srp->rq = NULL; } @@ -1407,7 +1407,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) */ srp->rq = NULL; scsi_req_free_cmd(scsi_req(rq)); - blk_put_request(rq); + blk_mq_free_request(rq); write_lock_irqsave(&sfp->rq_list_lock, iflags); if (unlikely(srp->orphan)) { @@ -1862,7 +1862,7 @@ sg_finish_rem_req(Sg_request *srp) if (srp->rq) { scsi_req_free_cmd(scsi_req(srp->rq)); - blk_put_request(srp->rq); + blk_mq_free_request(srp->rq); } if (srp->res_used) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 841ad2fc369a..4bc4e2318090 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -534,7 +534,7 @@ static void st_scsi_execute_end(struct request *req, blk_status_t status) complete(SRpnt->waiting); blk_rq_unmap_user(tmp); - blk_put_request(req); + blk_mq_free_request(req); } static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, @@ -561,7 +561,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, err = blk_rq_map_user(req->q, req, mdata, NULL, bufflen, GFP_KERNEL); if (err) { - blk_put_request(req); + blk_mq_free_request(req); return DRIVER_ERROR << 24; } } diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index fb32d122f2e3..ff205fd3c555 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -2871,7 +2871,7 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, err ? "query_complete_err" : "query_complete"); out_put_tag: - blk_put_request(req); + blk_mq_free_request(req); out_unlock: up_read(&hba->clk_scaling_lock); return err; @@ -6409,7 +6409,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba, __clear_bit(free_slot, &hba->outstanding_tasks); spin_unlock_irqrestore(hba->host->host_lock, flags); - blk_put_request(req); + blk_mq_free_request(req); ufshcd_release(hba); return err; @@ -6584,7 +6584,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, } out: - blk_put_request(req); + blk_mq_free_request(req); out_unlock: up_read(&hba->clk_scaling_lock); return err; diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 33770e5808ce..3fa30a3d1d81 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1006,7 +1006,7 @@ pscsi_execute_cmd(struct se_cmd *cmd) return 0; fail_put_request: - blk_put_request(req); + blk_mq_free_request(req); fail: kfree(pt); return ret; @@ -1061,7 +1061,7 @@ static void pscsi_req_done(struct request *req, blk_status_t status) break; } - blk_put_request(req); + blk_mq_free_request(req); kfree(pt); } diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c index 1058659a8d31..bd3ecdbeb3fe 100644 --- a/fs/nfsd/blocklayout.c +++ b/fs/nfsd/blocklayout.c @@ -265,7 +265,7 @@ static int nfsd4_scsi_identify_device(struct block_device *bdev, len = (buf[2] << 8) + buf[3] + 4; if (len > bufflen) { if (len <= maxlen && retries--) { - blk_put_request(rq); + blk_mq_free_request(rq); kfree(buf); bufflen = len; goto again; @@ -308,7 +308,7 @@ static int nfsd4_scsi_identify_device(struct block_device *bdev, } out_put_request: - blk_put_request(rq); + blk_mq_free_request(rq); out_free_buf: kfree(buf); return error; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c032cfe133c7..ed150b724015 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -914,7 +914,6 @@ extern int blk_register_queue(struct gendisk *disk); extern void blk_unregister_queue(struct gendisk *disk); blk_qc_t submit_bio_noacct(struct bio *bio); extern void blk_rq_init(struct request_queue *q, struct request *rq); -extern void blk_put_request(struct request *); extern struct request *blk_get_request(struct request_queue *, unsigned int op, blk_mq_req_flags_t flags); extern int blk_lld_busy(struct request_queue *q);

[RFC] blk-core: remove blk_put_request()

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