xfs: introduce xlog_copy_iovec

[deliverable/linux.git] / fs / xfs / xfs_log.h

diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index e148719e0a5d59dba022034cd5e988ae47552bde..384c6c469661df0fed6775914e17d60bed71b514 100644 (file)
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -30,6 +30,19 @@ struct xfs_log_vec {
 
 #define XFS_LOG_VEC_ORDERED    (-1)
 
+static inline void *
+xlog_copy_iovec(struct xfs_log_iovec **vecp, uint type, void *data, int len)
+{
+       struct xfs_log_iovec *vec = *vecp;
+
+       vec->i_type = type;
+       vec->i_addr = data;
+       vec->i_len = len;
+
+       *vecp = vec + 1;
+       return vec->i_addr;
+}
+
 /*
  * Structure used to pass callback function and the function's argument
  * to the log manager.