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authorHannes Reinecke <hare@suse.de>2016-02-19 11:17:16 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-24 05:27:02 +0300
commitd3d328919f278eda489a482541583f79987ad0e2 (patch)
tree5eaccbc687db4958c75122f10aad6eee344d101a /include/scsi/scsi_dh.h
parent9d2c30395213166e0b5614fe97576a789864e5de (diff)
downloadlinux-d3d328919f278eda489a482541583f79987ad0e2.tar.xz
scsi_dh: add 'rescan' callback
If a device needs to be rescanned the device_handler might need to be rechecked, too. So add a 'rescan' callback to the device handler and call it upon scsi_rescan_device(). The rescan callback will be invoked from the Unit Attention handling of ASC/ASCQ 3F 03 (INQUIRY DATA HAS CHANGED). Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi/scsi_dh.h')
-rw-r--r--include/scsi/scsi_dh.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h
index 7e184c6ebe5e..c7bba2b24849 100644
--- a/include/scsi/scsi_dh.h
+++ b/include/scsi/scsi_dh.h
@@ -71,6 +71,7 @@ struct scsi_device_handler {
int (*activate)(struct scsi_device *, activate_complete, void *);
int (*prep_fn)(struct scsi_device *, struct request *);
int (*set_params)(struct scsi_device *, const char *);
+ void (*rescan)(struct scsi_device *);
};
#ifdef CONFIG_SCSI_DH