Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / fs / xfs / linux-2.6 / xfs_aops.h

diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h
index c5057fb6237a2c71bd94b5ad4abe046bf7a37e9e..71f721e1a71f9b82a09a3fd298c739a76a419851 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_aops.h
+++ b/fs/xfs/linux-2.6/xfs_aops.h
@@ -22,6 +22,22 @@ extern struct workqueue_struct *xfsdatad_workqueue;
 extern struct workqueue_struct *xfsconvertd_workqueue;
 extern mempool_t *xfs_ioend_pool;
 
+/*
+ * Types of I/O for bmap clustering and I/O completion tracking.
+ */
+enum {
+       IO_DIRECT = 0,  /* special case for direct I/O ioends */
+       IO_DELALLOC,    /* mapping covers delalloc region */
+       IO_UNWRITTEN,   /* mapping covers allocated but uninitialized data */
+       IO_OVERWRITE,   /* mapping covers already allocated extent */
+};
+
+#define XFS_IO_TYPES \
+       { 0,                    "" }, \
+       { IO_DELALLOC,          "delalloc" }, \
+       { IO_UNWRITTEN,         "unwritten" }, \
+       { IO_OVERWRITE,         "overwrite" }
+
 /*
  * xfs_ioend struct manages large extent writes for XFS.
  * It can manage several multi-page bio's at once.