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Prevent creation of MDA bigger than disk.

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This commit is contained in:
Alasdair Kergon
2003-10-15 20:06:37 +00:00
parent e807ead2f7
commit ada0dc4234
1 changed files with 11 additions and 0 deletions
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11
lib/format_text/format-text.c
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@@ -892,6 +892,17 @@ static int _mda_setup(const struct format_type *fmt,
/* Place mda straight after label area at start of disk */ /* Place mda straight after label area at start of disk */
start1 = LABEL_SCAN_SIZE; start1 = LABEL_SCAN_SIZE;
/* Ensure it's not going to be bigger than the disk! */
if (mda_size1 > disk_size) {
log_print("Warning: metadata area fills disk %s",
dev_name(pv->dev));
/* Leave some free space for rounding */
/* Avoid empty data area as could cause tools problems */
mda_size1 = disk_size - start1 - alignment * 2;
/* Only have 1 mda in this case */
pvmetadatacopies = 1;
}
/* Round up to PE_ALIGN boundary */ /* Round up to PE_ALIGN boundary */
mda_adjustment = (mda_size1 + start1) % alignment; mda_adjustment = (mda_size1 + start1) % alignment;
if (mda_adjustment) if (mda_adjustment)