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authorMarkus Armbruster <armbru@redhat.com>2011-01-28 11:21:44 +0100
committerKevin Wolf <kwolf@redhat.com>2011-01-31 11:17:07 +0100
commitf1bd51ac2b6e6ccd3d13dfd52c1c381a68bf261c (patch)
tree29d846394839738805d94ae2647d46aec1980198
parent505a7fb1b1bfa732117d526a8d3a0f27741155d6 (diff)
blockdev: New drive_get_by_index()
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--blockdev.c7
-rw-r--r--blockdev.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c
index a42c5e4a62..01228f6200 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -136,6 +136,13 @@ DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
return NULL;
}
+DriveInfo *drive_get_by_index(BlockInterfaceType type, int index)
+{
+ return drive_get(type,
+ drive_index_to_bus_id(type, index),
+ drive_index_to_unit_id(type, index));
+}
+
int drive_get_max_bus(BlockInterfaceType type)
{
int max_bus;
diff --git a/blockdev.h b/blockdev.h
index 0c01e0801e..18278cc65d 100644
--- a/blockdev.h
+++ b/blockdev.h
@@ -39,6 +39,7 @@ struct DriveInfo {
};
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
+DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
int drive_get_max_bus(BlockInterfaceType type);
DriveInfo *drive_get_next(BlockInterfaceType type);
void drive_uninit(DriveInfo *dinfo);