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[PATCH parted 3/5] linux.c: add get_minimal_alignment() and get_optimal_
From: |
Hans de Goede |
Subject: |
[PATCH parted 3/5] linux.c: add get_minimal_alignment() and get_optimal_alignment() functions |
Date: |
Wed, 28 Oct 2009 22:20:44 +0100 |
---
libparted/arch/linux.c | 34 +++++++++++++++++++++++++++++++++-
1 files changed, 33 insertions(+), 1 deletions(-)
diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index d261a04..32e8af9 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -2521,6 +2521,34 @@ linux_disk_commit (PedDisk* disk)
return 1;
}
+#if HAVE_BLKID_BLKID_H
+PedAlignment*
+linux_get_minimal_aligment(PedDevice* dev)
+{
+ blkid_topology tp = LINUX_SPECIFIC (dev)->topology;
+
+ if (!tp)
+ return NULL; /* ped_alignment_none */
+
+ return ped_alignment_new(
+ blkid_topology_get_alignment_offset(tp) / dev->sector_size,
+ blkid_topology_get_minimum_io_size(tp) / dev->sector_size);
+}
+
+PedAlignment*
+linux_get_optimal_aligment(PedDevice* dev)
+{
+ blkid_topology tp = LINUX_SPECIFIC (dev)->topology;
+
+ if (!tp)
+ return NULL; /* ped_alignment_none */
+
+ return ped_alignment_new(
+ blkid_topology_get_alignment_offset(tp) / dev->sector_size,
+ blkid_topology_get_optimal_io_size(tp) / dev->sector_size);
+}
+#endif
+
static PedDeviceArchOps linux_dev_ops = {
_new: linux_new,
destroy: linux_destroy,
@@ -2534,7 +2562,11 @@ static PedDeviceArchOps linux_dev_ops = {
check: linux_check,
sync: linux_sync,
sync_fast: linux_sync_fast,
- probe_all: linux_probe_all
+ probe_all: linux_probe_all,
+#if HAVE_BLKID_BLKID_H
+ get_minimal_aligment: linux_get_minimal_aligment,
+ get_optimal_aligment: linux_get_optimal_aligment,
+#endif
};
PedDiskArchOps linux_disk_ops = {
--
1.6.5.1