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