New upstream version 8.1.0

client_module/source/common/storage/StatData.h

@@ -0,0 +1,61 @@
+/*
+ * Information provided by stat()
+ */
+
+#ifndef STATDATA_H_
+#define STATDATA_H_
+
+#include <common/storage/StorageDefinitions.h>
+#include <common/FhgfsTypes.h>
+
+#define STATDATA_FEATURE_SPARSE_FILE   1
+
+// stat blocks are 512 bytes, ">> 9" is then the same as "/ 512", but faster
+#define STATDATA_SIZETOBLOCKSBIT_SHIFT  9
+
+
+struct StatData;
+typedef struct StatData StatData;
+
+extern bool StatData_deserialize(DeserializeCtx* ctx, StatData* outThis);
+
+static inline void StatData_getOsStat(StatData* this, fhgfs_stat* outOsStat);
+
+struct StatData
+{
+      unsigned flags;
+
+      int64_t fileSize;
+      uint64_t numBlocks;
+      int64_t creationTimeSecs;     // real creation time
+      int64_t attribChangeTimeSecs; // this corresponds to unix ctime
+      unsigned nlink;
+
+      SettableFileAttribs settableFileAttribs;
+
+      unsigned metaVersion; // inc'ed when internal metadata is modified (for cache invalidation)
+
+};
+
+void StatData_getOsStat(StatData* this, fhgfs_stat* outOsStat)
+{
+   outOsStat->mode   = this->settableFileAttribs.mode;
+   outOsStat->size   = this->fileSize;
+   outOsStat->blocks = this->numBlocks;
+
+   outOsStat->uid    = this->settableFileAttribs.userID;
+   outOsStat->gid    = this->settableFileAttribs.groupID;
+   outOsStat->nlink  = this->nlink;
+
+   outOsStat->atime.tv_sec   = this->settableFileAttribs.lastAccessTimeSecs;
+   outOsStat->atime.tv_nsec  = 0;
+
+   outOsStat->mtime.tv_sec   = this->settableFileAttribs.modificationTimeSecs;
+   outOsStat->mtime.tv_nsec  = 0;
+
+   outOsStat->ctime.tv_sec   = this->attribChangeTimeSecs;
+   outOsStat->ctime.tv_nsec  = 0;
+   outOsStat->metaVersion = this->metaVersion;
+}
+
+#endif /* STATDATA_H_ */