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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-30 08:47:41 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-30 08:47:41 +0200 |
| commit | 44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2 (patch) | |
| tree | ec97ee26c9715f8da24377e9cacc63261b0aa2ab /drivers/target/iscsi/iscsi_target_device.c | |
| parent | 40a4a5727f21a0e439d317aa99953e24467605eb (diff) | |
| parent | 2d4df13c0f9ef56452b1d9a9016cb3946e17bfe5 (diff) | |
| download | blackbird-obmc-linux-44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2.tar.gz blackbird-obmc-linux-44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next
Backmerge to catch up with 4.3. slightly more involved conflict in the
irq code, but nothing beyond adjacent changes.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_device.c')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_device.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/target/iscsi/iscsi_target_device.c b/drivers/target/iscsi/iscsi_target_device.c index 5fabcd3d623f..0382fa24b53b 100644 --- a/drivers/target/iscsi/iscsi_target_device.c +++ b/drivers/target/iscsi/iscsi_target_device.c @@ -47,19 +47,19 @@ void iscsit_determine_maxcmdsn(struct iscsi_session *sess) * core_set_queue_depth_for_node(). */ sess->cmdsn_window = se_nacl->queue_depth; - sess->max_cmd_sn = (sess->max_cmd_sn + se_nacl->queue_depth) - 1; + atomic_add(se_nacl->queue_depth - 1, &sess->max_cmd_sn); } void iscsit_increment_maxcmdsn(struct iscsi_cmd *cmd, struct iscsi_session *sess) { + u32 max_cmd_sn; + if (cmd->immediate_cmd || cmd->maxcmdsn_inc) return; cmd->maxcmdsn_inc = 1; - mutex_lock(&sess->cmdsn_mutex); - sess->max_cmd_sn += 1; - pr_debug("Updated MaxCmdSN to 0x%08x\n", sess->max_cmd_sn); - mutex_unlock(&sess->cmdsn_mutex); + max_cmd_sn = atomic_inc_return(&sess->max_cmd_sn); + pr_debug("Updated MaxCmdSN to 0x%08x\n", max_cmd_sn); } EXPORT_SYMBOL(iscsit_increment_maxcmdsn); |
