diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2021-07-22 06:34:33 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-08-03 04:43:58 +0300 |
| commit | a024ad0d49550e4ea1156e677cd9382e1eefbdd7 (patch) | |
| tree | a848258b2ea6d8aa55e8a7d0cd17142cbd30d205 /drivers/scsi/ufs/ufshcd.h | |
| parent | 1f522c5049016cfea4f9d131ae9089e6fdba3980 (diff) | |
| download | linux-a024ad0d49550e4ea1156e677cd9382e1eefbdd7.tar.xz | |
scsi: ufs: Optimize serialization of setup_xfer_req() calls
Reduce the number of times the host lock is taken in the hot path.
Additionally, inline ufshcd_vops_setup_xfer_req() because that function is
too short to keep it.
Link: https://lore.kernel.org/r/20210722033439.26550-13-bvanassche@acm.org
Fixes: a45f937110fa ("scsi: ufs: Optimize host lock on transfer requests send/compl paths")
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Bean Huo <beanhuo@micron.com>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 56f48dd34020..38a09ab52f53 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -1269,18 +1269,6 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba, return -ENOTSUPP; } -static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag, - bool is_scsi_cmd) -{ - if (hba->vops && hba->vops->setup_xfer_req) { - unsigned long flags; - - spin_lock_irqsave(hba->host->host_lock, flags); - hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd); - spin_unlock_irqrestore(hba->host->host_lock, flags); - } -} - static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba, int tag, u8 tm_function) { |