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Tidy/fix segment rounding.

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This commit is contained in:
Alasdair Kergon 2002-05-31 19:29:43 +00:00
parent 7904ecb462
commit 3bcb12e7d1
1 changed files with 14 additions and 7 deletions
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21
tools/lvresize.c
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@ -27,7 +27,7 @@ int lvresize(struct cmd_context *cmd, int argc, char **argv)
struct dm_info info;
uint32_t extents = 0;
uint32_t size = 0;
uint32_t stripes = 0, stripesize = 0;
uint32_t stripes = 0, stripesize = 0, stripesize_extents = 0;
uint32_t seg_stripes = 0, seg_stripesize = 0, seg_size = 0;
uint32_t extents_used = 0;
uint32_t size_rest;
@ -256,12 +256,19 @@ int lvresize(struct cmd_context *cmd, int argc, char **argv)
if (stripes > 1 && !stripesize) {
log_error("Stripesize for striped segment should not be 0!");
} else if ((stripes > 1) &&
(size_rest = seg_size % (stripes * stripesize))) {
log_print("Rounding size (%d extents) down to stripe boundary "
"size for segment (%d extents)", extents,
extents - size_rest);
extents = extents - size_rest;
goto error_cmdline;
}
if ((stripes > 1)) {
if (!(stripesize_extents = stripesize / vg->extent_size))
stripesize_extents = 1;
if ((size_rest = seg_size % (stripes * stripesize_extents))) {
log_print("Rounding size (%d extents) down to stripe "
"boundary size for segment (%d extents)",
extents, extents - size_rest);
extents = extents - size_rest;
}
}
if (extents == lv->le_count) {