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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:10 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:10 +0000
commitb5875be0451b92bdd99663c8305ae46bd6a7d90c (patch)
tree68a6a5f79ac618c79ba3777c21faaea9aec2f0b4 /libdde-linux26/contrib/include/linux/raid/raid0.h
parentce6a36c7f7c88e7ca0fda816f9282237bb86829d (diff)
parent7996a3d79d55b7f879dfd62e202bbfe2963718d3 (diff)
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde-linux26/contrib/include/linux/raid/raid0.h')
-rw-r--r--libdde-linux26/contrib/include/linux/raid/raid0.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/raid/raid0.h b/libdde-linux26/contrib/include/linux/raid/raid0.h
new file mode 100644
index 00000000..fd42aa87
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/raid/raid0.h
@@ -0,0 +1,30 @@
+#ifndef _RAID0_H
+#define _RAID0_H
+
+#include <linux/raid/md.h>
+
+struct strip_zone
+{
+ sector_t zone_start; /* Zone offset in md_dev (in sectors) */
+ sector_t dev_start; /* Zone offset in real dev (in sectors) */
+ sector_t sectors; /* Zone size in sectors */
+ int nb_dev; /* # of devices attached to the zone */
+ mdk_rdev_t **dev; /* Devices attached to the zone */
+};
+
+struct raid0_private_data
+{
+ struct strip_zone **hash_table; /* Table of indexes into strip_zone */
+ struct strip_zone *strip_zone;
+ mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
+ int nr_strip_zones;
+
+ sector_t spacing;
+ int sector_shift; /* shift this before divide by spacing */
+};
+
+typedef struct raid0_private_data raid0_conf_t;
+
+#define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private)
+
+#endif