shaba/lvm2
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Fix conversion of md chunk size into sectors.

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This commit is contained in:
Alasdair Kergon 2008-10-03 14:22:18 +00:00
parent 2adafc1699
commit 9c4bf5db4a
3 changed files with 14 additions and 8 deletions
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3
WHATS_NEW
View File

@ -1,7 +1,8 @@
Version 2.02.41 -
=====================================
Fix conversion of md chunk size into sectors.
Free text metadata buffer after a failure writing it.
Fix misleading error message when there is no allocatable extents in VG.
Fix misleading error message when there are no allocatable extents in VG.
Fix handling of PVs which reappeared with old metadata version.
Fix mirror DSO to call vgreduce with proper parameters.
Fix validation of --minor and --major in lvcreate to require -My always.

10
lib/device/dev-md.c
View File

@ -133,7 +133,7 @@ unsigned long dev_md_chunk_size(const char *sysfs_dir, struct device *dev)
char path[PATH_MAX+1], buffer[64];
FILE *fp;
struct stat info;
unsigned long chunk_size = 0UL;
unsigned long chunk_size_bytes = 0UL;
if (MAJOR(dev->dev) != md_major())
return 0;
@ -165,20 +165,20 @@ unsigned long dev_md_chunk_size(const char *sysfs_dir, struct device *dev)
goto out;
}
if (sscanf(buffer, "%lu", &chunk_size) != 1) {
if (sscanf(buffer, "%lu", &chunk_size_bytes) != 1) {
log_error("sysfs file %s not in expected format: %s", path,
buffer);
goto out;
}
log_very_verbose("Found chunksize %lu for md device %s.", chunk_size,
dev_name(dev));
log_very_verbose("Device %s md chunk size is %lu bytes.",
dev_name(dev), chunk_size_bytes);
out:
if (fclose(fp))
log_sys_error("fclose", path);
return chunk_size;
return chunk_size_bytes >> SECTOR_SHIFT;
}
#else

9
lib/metadata/metadata.c
View File

@ -75,13 +75,18 @@ unsigned long pe_align(struct physical_volume *pv)
/*
* Align to chunk size of underlying md device if present
*/
if (pv->dev &&
find_config_tree_bool(pv->fmt->cmd, "devices/md_chunk_alignment",
if (!pv->dev)
goto out;
if (find_config_tree_bool(pv->fmt->cmd, "devices/md_chunk_alignment",
DEFAULT_MD_CHUNK_ALIGNMENT))
pv->pe_align = MAX(pv->pe_align,
dev_md_chunk_size(pv->fmt->cmd->sysfs_dir,
pv->dev));
log_very_verbose("%s: Setting PE alignment to %lu sectors.",
dev_name(pv->dev), pv->pe_align);
out:
return pv->pe_align;
}