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| author | Dmitry Bogdanov <d.bogdanov@yadro.com> | 2022-09-13 19:36:02 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-10-01 12:06:53 +0300 |
| commit | 6290e23f3bd8cee52fb8fd98980bb1eb31c8284d (patch) | |
| tree | 0192cdbdf92c45ce901a0f43b0cdc286f1d06787 /drivers/target/target_core_device.c | |
| parent | 3e2deba7aa662862c8046aa24148b83b49298a9b (diff) | |
| download | linux-6290e23f3bd8cee52fb8fd98980bb1eb31c8284d.tar.xz | |
scsi: target: core: UA on all LUNs after reset
Allocate UNIT ATTENTION "BUS DEVICE RESET OCCURRED" on all LUNs on all
target ports of the device upon reception of TMF LUN RESET.
This change passes libiscsi test SCSI.MultipathIO.Reset.
Link: https://lore.kernel.org/r/20220913163602.20597-1-d.bogdanov@yadro.com
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/target/target_core_device.c')
| -rw-r--r-- | drivers/target/target_core_device.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index b7f16ee8aa0e..cb4f7cc02f8f 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -284,6 +284,25 @@ void target_pr_kref_release(struct kref *kref) complete(&deve->pr_comp); } +/* + * Establish UA condition on SCSI device - all LUNs + */ +void target_dev_ua_allocate(struct se_device *dev, u8 asc, u8 ascq) +{ + struct se_dev_entry *se_deve; + struct se_lun *lun; + + spin_lock(&dev->se_port_lock); + list_for_each_entry(lun, &dev->dev_sep_list, lun_dev_link) { + + spin_lock(&lun->lun_deve_lock); + list_for_each_entry(se_deve, &lun->lun_deve_list, lun_link) + core_scsi3_ua_allocate(se_deve, asc, ascq); + spin_unlock(&lun->lun_deve_lock); + } + spin_unlock(&dev->se_port_lock); +} + static void target_luns_data_has_changed(struct se_node_acl *nacl, struct se_dev_entry *new, bool skip_new) |