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parted
libparted-allow-bigger-snap-radius-if-cylinders...
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File libparted-allow-bigger-snap-radius-if-cylinders-are-used.patch of Package parted
From 2ef86fbe0fd8a6c4b48dd8edfbe41728a7343dac Mon Sep 17 00:00:00 2001 From: Petr Uzel <petr.uzel@suse.cz> Date: Thu, 29 May 2014 14:50:31 +0200 Subject: [PATCH] libparted: allow bigger snap radius if cylinders are used This is partial revert of commit commit 18e727d492933ae1ebb16961e1df553f9299af8b Author: Brian C. Lane <bcl@redhat.com> Date: Tue Jun 21 10:44:15 2011 -0700 libparted: fix snap radius so that it is using half (#665496) The snap radius didn't match the documentation, it has been using +/- unit size instead +/- 0.5 * unit (eg. 500KB for a MB unit). This caused problems when specifying 1MB, 1GB, etc. as a partition start or end resulting in partitions being created that were nowhere near the specified size. Only revert to the old behavior if cylinders are used in order to give parted more flexibility when snapping the partition start/end. References: bnc#879387 --- libparted/unit.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: parted-3.1/libparted/unit.c =================================================================== --- parted-3.1.orig/libparted/unit.c +++ parted-3.1/libparted/unit.c @@ -540,7 +540,10 @@ ped_unit_parse_custom (const char* str, } unit_size = ped_unit_get_size (dev, unit); - radius = (ped_div_round_up (unit_size, dev->sector_size) / 2) - 1; + if (unit == PED_UNIT_CYLINDER) + radius = ped_div_round_up (unit_size, dev->sector_size) - 1; + else + radius = (ped_div_round_up (unit_size, dev->sector_size) / 2) - 1; if (radius < 0) radius = 0; /* If the user specifies units in a power of 2, e.g., 4MiB, as in
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