[Ocfs2-tools-devel] [PATCH 12/19] Ocfs2-tools: Add running codes for '--space-usage' in operation.c

[Tristan Ye]

Signed-off-by: Tristan Ye <tristan.ye at oracle.com>
---
 o2info/operations.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/o2info/operations.c b/o2info/operations.c
index 68e8cdd..c4fa7fc 100644
--- a/o2info/operations.c
+++ b/o2info/operations.c
@@ -524,3 +524,32 @@ static int get_fiemap_stats(struct o2info_operation *op,
 	return ret;
 }
 
+static int usage_run(struct o2info_operation *op,
+		     struct o2info_method *om,
+		     void *arg)
+{
+	int rc = 0;
+	struct stat st;
+	static struct o2info_fiemap_stats ofs;
+
+	rc = lstat(om->om_path, &st);
+	if (rc < 0) {
+		rc = errno;
+		o2i_error(op, "stat error: %s\n", strerror(rc));
+		return -1;
+	}
+
+	rc = get_fiemap_stats(op, om, &ofs);
+	if (rc)
+		return rc;
+
+	fprintf(stdout, "Blocks: %-10u Shared: %-10u\tUnwritten: %-7u "
+		"Holes: %-6u\n", st.st_blocks, ofs.shared, ofs.unwrittens,
+		ofs.holes);
+
+	return rc;
+}
+
+DEFINE_O2INFO_OP(usage,
+		 usage_run,
+		 NULL);
-- 
1.5.5