diff options
| author |   James Smart <james.smart@emulex.com> | 2013-04-17 20:17:40 -0400 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2013-05-02 13:01:30 -0700 |
| commit | a40fc5f0d052d468f66da5fab3be0adb6cb6443d (patch) | |
| tree | f0e686c83a78ff12d32761e30a36eb8a2a425190 /drivers/scsi/lpfc/lpfc.h | |
| parent | [SCSI] lpfc 8.3.39: Fixed crash when processing bsg's sg list with high memory pages (diff) | |
| download | linux-dev-a40fc5f0d052d468f66da5fab3be0adb6cb6443d.tar.xz linux-dev-a40fc5f0d052d468f66da5fab3be0adb6cb6443d.zip | |
[SCSI] lpfc 8.3.39: Reduced spinlock contention on SCSI buffer list
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 924ceaaf1336..2d2261f4eab0 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -813,8 +813,10 @@ struct lpfc_hba { uint64_t bg_reftag_err_cnt; /* fastpath list. */ - spinlock_t scsi_buf_list_lock; - struct list_head lpfc_scsi_buf_list; + spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ + spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ + struct list_head lpfc_scsi_buf_list_get; + struct list_head lpfc_scsi_buf_list_put; uint32_t total_scsi_bufs; struct list_head lpfc_iocb_list; uint32_t total_iocbq_bufs; |