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ot8tx48/g37KCwoHfIMyHk5pBJcBjzT8R4/ezrrze6l3dKneAGiSg7oAs1YgZeI6eyxZOufiISZ ZTrHwh/HmG6OlY8hVIwTC8QApYyWUW8QuNR8C5Gl+uHRgdvhHD+K/JEhj8IGRcetAxLVgiATGqQ 6xU4pE73JWyTPwoTDDU1rxRi8Ybb9erZ3e5g4lqVT+jT5BJ45lpKVEhTUYEnc7zMgy9HGG+rwXG n/PnKlRCRE11nAw8S6GbARSxH1Fw7a9FT15sv9XAw6vsBBbgx6EiaIj7R5/BySWm6snChPuB16Q ntgB4u50g8KQMxwDimgOOVwE9d5hu/2V/k0c8STBriaROezFR/jrnMVZgW2NiUMs1RmPs9a1gDt MDAtc0MdsEsilFTNmGA== X-Proofpoint-GUID: l8VhxvYsy2dPVxy2UchyTm8CJnM8WwxP X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIzMDA5NSBTYWx0ZWRfX37TbFVKY9ni7 rxK1KmS3Jc82u5Dyt0qYKjhFmpD+2uwJq/fDDCThZlRSV6ouu6o8hiePJBbgrZJZD1FEaD2Lbh0 J7Df9k8gtN6FLX1sm9oG3zWHY1xxlYJdRL9htupEZNaxWSWCV2gJ X-Authority-Analysis: v=2.4 cv=ALkdLnG8 c=1 sm=1 tr=0 ts=6a61e0d1 cx=c_pps a=XiAAW1AwiKB2Y8Wsi+sD2Q==:117 a=XiAAW1AwiKB2Y8Wsi+sD2Q==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=RAioF0-LDSMA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=7Gl3-_t3PgB9XO-mQDs3:22 a=yPCof4ZbAAAA:8 a=PGUL5CXhDM9-3yhmlAsA:9 X-Proofpoint-ORIG-GUID: l8VhxvYsy2dPVxy2UchyTm8CJnM8WwxP From: John Garry When a scsi_device is unblocked, we need revalidate paths which means that we clear paths and requeue any queued bios. Signed-off-by: John Garry --- drivers/scsi/scsi_lib.c | 2 ++ drivers/scsi/scsi_multipath.c | 8 ++++++++ include/scsi/scsi_multipath.h | 5 +++++ 3 files changed, 15 insertions(+) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index dafa781288046..1e13aefdb6d64 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -3100,6 +3100,8 @@ static int scsi_internal_device_unblock(struct scsi_device *sdev, mutex_lock(&sdev->state_mutex); ret = scsi_internal_device_unblock_nowait(sdev, new_state); + if ((ret == 0) && sdev->scsi_mpath_dev) + scsi_mpath_revalidate_paths(sdev->scsi_mpath_dev); mutex_unlock(&sdev->state_mutex); return ret; diff --git a/drivers/scsi/scsi_multipath.c b/drivers/scsi/scsi_multipath.c index 6a2b06c148c1a..b896d28a7dd9a 100644 --- a/drivers/scsi/scsi_multipath.c +++ b/drivers/scsi/scsi_multipath.c @@ -230,6 +230,14 @@ static int scsi_multipath_sdev_init(struct scsi_device *sdev) return 0; } +void scsi_mpath_revalidate_paths(struct scsi_mpath_device *scsi_mpath_dev) +{ + struct scsi_mpath_head *scsi_mpath_head = scsi_mpath_dev->scsi_mpath_head; + struct mpath_head *mpath_head = &scsi_mpath_head->mpath_head; + + mpath_revalidate_paths(mpath_head); +} + void scsi_mpath_dev_clear_path(struct scsi_mpath_device *scsi_mpath_dev) { struct mpath_device *mpath_device = &scsi_mpath_dev->mpath_device; diff --git a/include/scsi/scsi_multipath.h b/include/scsi/scsi_multipath.h index 8f58c44d96a77..cc77e63c43da3 100644 --- a/include/scsi/scsi_multipath.h +++ b/include/scsi/scsi_multipath.h @@ -55,6 +55,7 @@ void scsi_mpath_remove_sysfs_link(struct scsi_device *sdev); int scsi_mpath_get_head(struct scsi_mpath_head *scsi_mpath_head); void scsi_mpath_put_head(struct scsi_mpath_head *scsi_mpath_head); void scsi_mpath_dev_clear_path(struct scsi_mpath_device *scsi_mpath_dev); +void scsi_mpath_revalidate_paths(struct scsi_mpath_device *scsi_mpath_dev); #else /* CONFIG_SCSI_MULTIPATH */ struct scsi_mpath_head { @@ -93,6 +94,10 @@ static inline void scsi_mpath_dev_clear_path(struct scsi_mpath_device *scsi_mpath_dev) { } +static inline +void scsi_mpath_revalidate_paths(struct scsi_mpath_device *scsi_mpath_dev) +{ +} static inline void scsi_mpath_add_sysfs_link(struct scsi_device *sdev) { } -- 2.43.7