diff options
| author | Karen Xie | 2009-06-15 20:15:16 +0200 |
|---|---|---|
| committer | James Bottomley | 2009-06-21 17:52:39 +0200 |
| commit | 295ab1b54393aec064533fbc5b483844736ccbf0 (patch) | |
| tree | d9debe6032b3705dfbfb32e518c953de85dc3977 /drivers/scsi/cxgb3i/cxgb3i_ddp.h | |
| parent | sd: Block limits VPD support (diff) | |
| download | kernel-qcow2-linux-295ab1b54393aec064533fbc5b483844736ccbf0.tar.gz kernel-qcow2-linux-295ab1b54393aec064533fbc5b483844736ccbf0.tar.xz kernel-qcow2-linux-295ab1b54393aec064533fbc5b483844736ccbf0.zip | |
cxgb3i: use kref to track ddp usage
The iscsi ddp functionality could be used by multiple iscsi entities,
add a refcnt to keep track of it, so we would not release it pre-maturely.
Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/cxgb3i/cxgb3i_ddp.h')
| -rw-r--r-- | drivers/scsi/cxgb3i/cxgb3i_ddp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.h b/drivers/scsi/cxgb3i/cxgb3i_ddp.h index 0d296de7cf32..87dd56b422bf 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_ddp.h +++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.h @@ -54,6 +54,7 @@ struct cxgb3i_gather_list { * struct cxgb3i_ddp_info - cxgb3i direct data placement for pdu payload * * @list: list head to link elements + * @refcnt: ref. count * @tdev: pointer to t3cdev used by cxgb3 driver * @max_txsz: max tx packet size for ddp * @max_rxsz: max rx packet size for ddp @@ -70,6 +71,7 @@ struct cxgb3i_gather_list { */ struct cxgb3i_ddp_info { struct list_head list; + struct kref refcnt; struct t3cdev *tdev; struct pci_dev *pdev; unsigned int max_txsz; |