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[Qemu-devel] [PATCH 25/28] blockdev: New drive_get_by_index()


From: Kevin Wolf
Subject: [Qemu-devel] [PATCH 25/28] blockdev: New drive_get_by_index()
Date: Mon, 31 Jan 2011 16:29:13 +0100

From: Markus Armbruster <address@hidden>

Signed-off-by: Markus Armbruster <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
 blockdev.c |    7 +++++++
 blockdev.h |    1 +
 2 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index a42c5e4..01228f6 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 0c01e08..18278cc 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);
-- 
1.7.2.3




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