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author | Nicholas Bellinger | 2011-07-17 11:57:58 +0200 |
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committer | Nicholas Bellinger | 2011-07-22 11:37:49 +0200 |
commit | 5de619a31d9cb051d1f818e661af4e54def82316 (patch) | |
tree | bbdf282c42fe3818607fff4f3a4f7d1b74ee064e /drivers/target/target_core_configfs.c | |
parent | target: ->map_task_SG conversion to ->map_control_SG and ->map_data_SG (diff) | |
download | kernel-qcow2-linux-5de619a31d9cb051d1f818e661af4e54def82316.tar.gz kernel-qcow2-linux-5de619a31d9cb051d1f818e661af4e54def82316.tar.xz kernel-qcow2-linux-5de619a31d9cb051d1f818e661af4e54def82316.zip |
target: Update QUEUE ALGORITHM MODIFIER control page default
This patch adds the default 'Unrestricted reordering allowed' for SCSI
control mode page QUEUE ALGORITHM MODIFIER on a per se_device basis in
target_modesense_control() following spc4r23. This includes a new
emuluate_rest_reord configfs attribute that currently (only) accepts
zero to signal 'Unrestricted reordering allowed' in control mode page
usage by the backend target device.
Reported-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@risingtidesystems.com>
Diffstat (limited to 'drivers/target/target_core_configfs.c')
-rw-r--r-- | drivers/target/target_core_configfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index e56c39daeec6..a92176d2e187 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -701,6 +701,9 @@ SE_DEV_ATTR(enforce_pr_isids, S_IRUGO | S_IWUSR); DEF_DEV_ATTRIB(is_nonrot); SE_DEV_ATTR(is_nonrot, S_IRUGO | S_IWUSR); +DEF_DEV_ATTRIB(emulate_rest_reord); +SE_DEV_ATTR(emulate_rest_reord, S_IRUGO | S_IWUSR); + DEF_DEV_ATTRIB_RO(hw_block_size); SE_DEV_ATTR_RO(hw_block_size); @@ -750,6 +753,7 @@ static struct configfs_attribute *target_core_dev_attrib_attrs[] = { &target_core_dev_attrib_emulate_tpws.attr, &target_core_dev_attrib_enforce_pr_isids.attr, &target_core_dev_attrib_is_nonrot.attr, + &target_core_dev_attrib_emulate_rest_reord.attr, &target_core_dev_attrib_hw_block_size.attr, &target_core_dev_attrib_block_size.attr, &target_core_dev_attrib_hw_max_sectors.attr, |