diff options
| author | Justin Tee <justin.tee@broadcom.com> | 2024-03-05 23:04:58 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-03-11 01:56:43 +0300 |
| commit | f733a76ea0a9a84aee4ac41b81fad4d610ecbd8e (patch) | |
| tree | 42936b4b8b7961943c293c6e5ffe116bcfbd5b6c /drivers/scsi/lpfc/lpfc_debugfs.c | |
| parent | ded20192dff31c91cef2a04f7e20e60e9bb887d3 (diff) | |
| download | linux-f733a76ea0a9a84aee4ac41b81fad4d610ecbd8e.tar.xz | |
scsi: lpfc: Use a dedicated lock for ras_fwlog state
To reduce usage of and contention for hbalock, a separate dedicated lock is
used to protect ras_fwlog state.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-8-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_debugfs.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index ab5af10c8a16..a2d2b02b3418 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -2194,12 +2194,12 @@ static int lpfc_debugfs_ras_log_data(struct lpfc_hba *phba, memset(buffer, 0, size); - spin_lock_irq(&phba->hbalock); + spin_lock_irq(&phba->ras_fwlog_lock); if (phba->ras_fwlog.state != ACTIVE) { - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->ras_fwlog_lock); return -EINVAL; } - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->ras_fwlog_lock); list_for_each_entry_safe(dmabuf, next, &phba->ras_fwlog.fwlog_buff_list, list) { @@ -2250,13 +2250,13 @@ lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file) int size; int rc = -ENOMEM; - spin_lock_irq(&phba->hbalock); + spin_lock_irq(&phba->ras_fwlog_lock); if (phba->ras_fwlog.state != ACTIVE) { - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->ras_fwlog_lock); rc = -EINVAL; goto out; } - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->ras_fwlog_lock); if (check_mul_overflow(LPFC_RAS_MIN_BUFF_POST_SIZE, phba->cfg_ras_fwlog_buffsize, &size)) |