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-rw-r--r--api/src/glfs.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/api/src/glfs.c b/api/src/glfs.c
index ea10fb5..9e9a55c 100644
--- a/api/src/glfs.c
+++ b/api/src/glfs.c
@@ -680,3 +680,23 @@ glfs_fini (struct glfs *fs)
return ret;
}
+
+ssize_t
+glfs_get_volfile (struct glfs *fs, void *buf, size_t len)
+{
+ ssize_t res;
+
+ glfs_lock(fs);
+ if (len >= fs->oldvollen) {
+ gf_log ("glfs", GF_LOG_TRACE, "copying %lu to %p", len, buf);
+ memcpy(buf,fs->oldvolfile,len);
+ res = len;
+ }
+ else {
+ res = len - fs->oldvollen;
+ gf_log ("glfs", GF_LOG_TRACE, "buffer is %ld too short", -res);
+ }
+ glfs_unlock(fs);
+
+ return res;
+}