This patch is preparation for adding SD_STATUS_HALT support.
Signed-off-by: MORITA Kazutaka <[email protected]>
---
sheep/sheep_priv.h | 2 ++
sheep/store.c | 37 +++++++++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/sheep/sheep_priv.h b/sheep/sheep_priv.h
index cccb986..a7d5c25 100644
--- a/sheep/sheep_priv.h
+++ b/sheep/sheep_priv.h
@@ -210,6 +210,8 @@ int update_epoch_store(uint32_t epoch);
int set_global_nr_copies(uint32_t copies);
int get_global_nr_copies(uint32_t *copies);
+int set_cluster_flags(uint32_t flags);
+int get_cluster_flags(uint32_t *flags);
#define NR_GW_WORKER_THREAD 4
#define NR_IO_WORKER_THREAD 4
diff --git a/sheep/store.c b/sheep/store.c
index 3da5713..a100e79 100644
--- a/sheep/store.c
+++ b/sheep/store.c
@@ -2054,3 +2054,40 @@ int get_global_nr_copies(uint32_t *copies)
return SD_RES_SUCCESS;
}
+
+int set_cluster_flags(uint32_t flags)
+{
+ int fd, ret;
+
+ fd = open(config_path, O_SYNC | O_WRONLY);
+ if (fd < 0)
+ return SD_RES_EIO;
+
+ ret = jrnl_perform(fd, &flags, sizeof(flags),
+ offsetof(struct sheepdog_config, flags),
+ config_path, jrnl_path);
+ close(fd);
+
+ if (ret != 0)
+ return SD_RES_EIO;
+
+ return SD_RES_SUCCESS;
+}
+
+int get_cluster_flags(uint32_t *flags)
+{
+ int fd, ret;
+
+ fd = open(config_path, O_RDONLY);
+ if (fd < 0)
+ return SD_RES_EIO;
+
+ ret = pread64(fd, flags, sizeof(*flags),
+ offsetof(struct sheepdog_config, flags));
+ close(fd);
+
+ if (ret != sizeof(*flags))
+ return SD_RES_EIO;
+
+ return SD_RES_SUCCESS;
+}
--
1.7.2.5
--
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