New upstream version 8.1.0

client_module/source/common/storage/StorageDefinitions.h

@@ -0,0 +1,98 @@
+#ifndef STORAGEDEFINITIONS_H_
+#define STORAGEDEFINITIONS_H_
+
+/*
+ * Remember to keep these definitions in sync with StorageDefinitions.h of fhgfs_common!!!
+ */
+
+#include <common/Common.h>
+
+
+// open rw flags
+#define OPENFILE_ACCESS_READ           1
+#define OPENFILE_ACCESS_WRITE          2
+#define OPENFILE_ACCESS_READWRITE      4
+// open extra flags
+#define OPENFILE_ACCESS_APPEND         8
+#define OPENFILE_ACCESS_TRUNC         16
+#define OPENFILE_ACCESS_DIRECT        32 /* for direct IO */
+#define OPENFILE_ACCESS_SYNC          64 /* for sync'ed IO */
+// open masks
+#define OPENFILE_ACCESS_MASK_RW       \
+   (OPENFILE_ACCESS_READ | OPENFILE_ACCESS_WRITE | OPENFILE_ACCESS_READWRITE)
+#define OPENFILE_ACCESS_MASK_EXTRA    (~OPENFILE_ACCESS_MASK_RW)
+
+
+// set attribs flags
+#define SETATTR_CHANGE_MODE               1
+#define SETATTR_CHANGE_USERID             2
+#define SETATTR_CHANGE_GROUPID            4
+#define SETATTR_CHANGE_MODIFICATIONTIME   8
+#define SETATTR_CHANGE_LASTACCESSTIME    16
+
+
+// entry and append lock type flags
+#define ENTRYLOCKTYPE_UNLOCK              1
+#define ENTRYLOCKTYPE_EXCLUSIVE           2
+#define ENTRYLOCKTYPE_SHARED              4
+#define ENTRYLOCKTYPE_NOWAIT              8 /* operation may not block if lock not available */
+#define ENTRYLOCKTYPE_CANCEL             16 /* cancel all granted and pending locks for given handle
+                                               (normally on client file close) */
+// entry lock mask
+#define ENTRYLOCKTYPE_LOCKOPS_ADD       (ENTRYLOCKTYPE_EXCLUSIVE | ENTRYLOCKTYPE_SHARED)
+#define ENTRYLOCKTYPE_LOCKOPS_REMOVE    (ENTRYLOCKTYPE_UNLOCK | ENTRYLOCKTYPE_CANCEL)
+
+
+struct SettableFileAttribs;
+typedef struct SettableFileAttribs SettableFileAttribs;
+
+
+enum DirEntryType
+{ // don't use these directly, use the DirEntryType_IS...() macros below to check entry types
+   DirEntryType_INVALID = 0, DirEntryType_DIRECTORY = 1, DirEntryType_REGULARFILE = 2,
+   DirEntryType_SYMLINK = 3, DirEntryType_BLOCKDEV = 4, DirEntryType_CHARDEV = 5,
+   DirEntryType_FIFO = 6, DirEntryType_SOCKET = 7
+};
+typedef enum DirEntryType DirEntryType;
+
+#define DirEntryType_ISVALID(dirEntryType)       (dirEntryType != DirEntryType_INVALID)
+#define DirEntryType_ISDIR(dirEntryType)         (dirEntryType == DirEntryType_DIRECTORY)
+#define DirEntryType_ISREGULARFILE(dirEntryType) (dirEntryType == DirEntryType_REGULARFILE)
+#define DirEntryType_ISSYMLINK(dirEntryType)     (dirEntryType == DirEntryType_SYMLINK)
+#define DirEntryType_ISBLOCKDEV(dirEntryType)    (dirEntryType == DirEntryType_BLOCKDEV)
+#define DirEntryType_ISCHARDEV(dirEntryType)     (dirEntryType == DirEntryType_CHARDEV)
+#define DirEntryType_ISFIFO(dirEntryType)        (dirEntryType == DirEntryType_FIFO)
+#define DirEntryType_ISSOCKET(dirEntryType)      (dirEntryType == DirEntryType_SOCKET)
+
+/* @return true for any kind of file, including symlinks and special files */
+#define DirEntryType_ISFILE(dirEntryType)        ( (dirEntryType >= 2) && (dirEntryType <= 7) )
+
+
+// hint (but not strict enforcement) that the inode is inlined into the dentry
+#define STATFLAG_HINT_INLINE           1
+
+
+
+
+enum EntryLockRequestType
+   {EntryLockRequestType_ENTRYFLOCK=0, EntryLockRequestType_RANGEFLOCK=1,
+      EntryLockRequestType_ENTRYCOHERENCE=2, EntryLockRequestType_RANGECOHERENCE=3};
+typedef enum EntryLockRequestType EntryLockRequestType;
+
+
+
+/**
+ * Note: Typically used in combination with a value of SETATTR_CHANGE_...-Flags to determine which
+ * of the fields are actually used
+ */
+struct SettableFileAttribs
+{
+   int mode;
+   unsigned userID;
+   unsigned groupID;
+   int64_t modificationTimeSecs; // unix mtime
+   int64_t lastAccessTimeSecs;   // unix atime
+};
+
+
+#endif /*STORAGEDEFINITIONS_H_*/