This patch added a struct tcmu_dev_pr_info, which can help store the string buffer we got from a TCMU device record (for example, for RBD devices, the records should be stored in their metadata). So that we can decode / encode them.
Signed-off-by: Zhu Lingshan <[email protected]> --- drivers/target/target_core_user.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 1dea66a851dd..1efc2800ca14 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -110,6 +110,14 @@ struct tcmu_nl_cmd { int status; }; +/* This struct help to store the string buffer which contain + * Persistent Reservation info record from the device metadata. + */ +struct tcmu_dev_pr_info { + struct mutex pr_info_lock; + char *pr_info_buf; + }; + struct tcmu_dev { struct list_head node; struct kref kref; @@ -165,6 +173,7 @@ struct tcmu_dev { char dev_config[TCMU_CONFIG_LEN]; int nl_reply_supported; + struct tcmu_dev_pr_info pr_info; }; #define TCMU_DEV(_se_dev) container_of(_se_dev, struct tcmu_dev, se_dev) -- 2.17.1
