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authorJeff Garzik <jeff@garzik.org>2006-06-22 23:46:10 -0400
committerJeff Garzik <jeff@garzik.org>2006-06-22 23:46:10 -0400
commitba6a13083c1b720a47c05bee7bedbb6ef06c4611 (patch)
tree26f9d8d37145fac426744f96ecf006ec0a481e31 /include/linux
parent47005f255ed126a4b48a1a2f63164fb1d83bcb0a (diff)
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op-kernel-dev-ba6a13083c1b720a47c05bee7bedbb6ef06c4611.tar.gz
[libata] Add host lock to struct ata_port
Prepare for changes required to support SATA devices attached to SAS HBAs. For these devices we don't want to use host_set at all, since libata will not be the owner of struct scsi_host. Signed-off-by: Brian King <brking@us.ibm.com> (with slight merge modifications made by...) Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 6b3c3af..20b1cf5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -483,6 +483,7 @@ struct ata_eh_context {
struct ata_port {
struct Scsi_Host *host; /* our co-allocated scsi host */
const struct ata_port_operations *ops;
+ spinlock_t *lock;
unsigned long flags; /* ATA_FLAG_xxx */
unsigned int id; /* unique id req'd by scsi midlyr */
unsigned int port_no; /* unique port #; from zero */
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