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Replace PV_MIN_SIZE with function pv_min_size()

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Add configurable option to define minimal size of
of block device usable as a PV.

pv_min_size() is added to lvm-globals and it's being
initialized through _process_config.

Macro PV_MIN_SIZE is unused and removed.

New define DEFAULT_PV_MIN_SIZE_KB is added to lvm-global
and unlike PV_MIN_SIZE it uses KB units.

Should help users with various slow devices attached to the system,
which cannot be easily filtered out (like FDD on /dev/sdX):
https://bugzilla.redhat.com/show_bug.cgi?id=644578
This commit is contained in:
Zdenek Kabelac
2011-02-18 14:11:22 +00:00
parent 9dd091e4f4
commit 794e94fe16
11 changed files with 73 additions and 11 deletions
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11
lib/commands/toolcontext.c
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@@ -205,6 +205,7 @@ static int _process_config(struct cmd_context *cmd)
struct stat st;
const struct config_node *cn;
const struct config_value *cv;
int64_t pv_min_kb;
/* umask */
cmd->default_settings.umask = find_config_tree_int(cmd,
@@ -318,6 +319,15 @@ static int _process_config(struct cmd_context *cmd)
cmd->metadata_read_only = find_config_tree_int(cmd, "global/metadata_read_only",
DEFAULT_METADATA_READ_ONLY);
pv_min_kb = find_config_tree_int64(cmd, "devices/pv_min_size", DEFAULT_PV_MIN_SIZE_KB);
if (pv_min_kb < DEFAULT_PV_MIN_SIZE_KB) {
log_warn("Ignoring too small pv_min_size %" PRId64 "KB, using default %dKB.",
pv_min_kb, DEFAULT_PV_MIN_SIZE_KB);
pv_min_kb = DEFAULT_PV_MIN_SIZE_KB;
}
/* lvm internally works with device size in 512b sectors */
init_pv_min_size((uint64_t)pv_min_kb * (1024 >> SECTOR_SHIFT));
return 1;
}
@@ -1113,7 +1123,6 @@ static void _init_globals(struct cmd_context *cmd)
{
init_full_scan_done(0);
init_mirror_in_sync(0);
}
/* Entry point */