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Subject: [PATCH] libparted: Avoid dasd as default disk type while probe
From: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
This patch avoids setting 'dasd' as a default disk type for
'disk image file' at the time of probe.
Signed-off-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
---
include/parted/fdasd.h | 1 +
libparted/labels/fdasd.c | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
--- a/include/parted/fdasd.h
+++ b/include/parted/fdasd.h
@@ -261,6 +261,7 @@ typedef struct fdasd_anchor {
struct fdasd_hd_geometry geo;
unsigned int label_block;
unsigned int FBA_layout;
+ bool is_file;
} fdasd_anchor_t;
enum offset {lower, upper};
--- a/libparted/labels/fdasd.c
+++ b/libparted/labels/fdasd.c
@@ -301,6 +301,7 @@ fdasd_initialize_anchor (fdasd_anchor_t
}
anc->hw_cylinders = 0;
anc->formatted_cylinders = 0;
+ anc->is_file = 0;
}
/*
@@ -892,7 +893,7 @@ fdasd_check_volume (fdasd_anchor_t *anc,
/* Some times LDL formatted disks does not
contain any volume label */
return 1;
- } else {
+ } else if (! anc->is_file) {
/* didn't find VOL1 volume label */
anc->formatted_cylinders = anc->hw_cylinders;
anc->fspace_trk = anc->formatted_cylinders * anc->geo.heads
@@ -976,6 +977,7 @@ fdasd_get_geometry (const PedDevice *dev
dasd_info.FBA_layout = 0;
anc->hw_cylinders = ((st.st_size / blksize) / anc->geo.sectors) /
anc->geo.heads;
+ anc->is_file = 1;
} else {
if (ioctl(f, HDIO_GETGEO, &anc->geo) != 0)
fdasd_error(anc, unable_to_ioctl,
@@ -997,6 +999,8 @@ fdasd_get_geometry (const PedDevice *dev
anc->hw_cylinders = characteristics->long_no_cyl;
else
anc->hw_cylinders = characteristics->no_cyl;
+
+ anc->is_file = 0;
}
anc->dev_type = dasd_info.dev_type;