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authorJoe Eykholt <jeykholt@cisco.com>2010-07-20 15:19:47 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-07-28 09:05:51 -0500
commitfdb068c6cd6e30d43664f856d3530715a5742713 (patch)
treea500212cc66aee42c7a3659ff0cfecbfb9be6b18 /include/scsi
parentf90377abcab2e305450ee76a0f9042907560c5d8 (diff)
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[SCSI] libfcoe: convert FIP to lock with mutex instead of spin lock
It turns out most of the FIP work is now done from worker threads or process context now, so there's no need to use a spin lock. Change to use mutex instead of spin lock and delayed_work instead of a timer. This will make it nicer for the VN_port to VN_port feature that will interact more with the libfc layers requiring that spinlocks not be held. Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/libfcoe.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 81aee1c4c2f..7d18b500f2c 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -75,14 +75,12 @@ enum fip_state {
* @flogi_count: number of FLOGI attempts in AUTO mode.
* @map_dest: use the FC_MAP mode for destination MAC addresses.
* @spma: supports SPMA server-provided MACs mode
- * @send_ctlr_ka: need to send controller keep alive
- * @send_port_ka: need to send port keep alives
* @dest_addr: MAC address of the selected FC forwarder.
* @ctl_src_addr: the native MAC address of our local port.
* @send: LLD-supplied function to handle sending FIP Ethernet frames
* @update_mac: LLD-supplied function to handle changes to MAC addresses.
* @get_src_addr: LLD-supplied function to supply a source MAC address.
- * @lock: lock protecting this structure.
+ * @ctlr_mutex: lock protecting this structure.
*
* This structure is used by all FCoE drivers. It contains information
* needed by all FCoE low-level drivers (LLDs) as well as internal state
@@ -106,18 +104,15 @@ struct fcoe_ctlr {
u16 user_mfs;
u16 flogi_oxid;
u8 flogi_count;
- u8 reset_req;
u8 map_dest;
u8 spma;
- u8 send_ctlr_ka;
- u8 send_port_ka;
u8 dest_addr[ETH_ALEN];
u8 ctl_src_addr[ETH_ALEN];
void (*send)(struct fcoe_ctlr *, struct sk_buff *);
void (*update_mac)(struct fc_lport *, u8 *addr);
u8 * (*get_src_addr)(struct fc_lport *);
- spinlock_t lock;
+ struct mutex ctlr_mutex;
};
/**