shaba/lvm2
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Merge with text format branch.

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Lots of changes/very little testing so far => there'll be bugs!

Use 'vgcreate -M text' to create a volume group with its metadata stored
in text files.  Text format metadata changes should be reasonably atomic,
with a (basic) automatic recovery mechanism if the system crashes while a
change is in progress.

Add a metadata section to lvm.conf to specify multiple directories if
you want (recommended) to keep multiple copies of the metadata (eg on
different filesystems).

e.g. metadata {
        dirs = ["/etc/lvm/metadata1","/usr/local/lvm/metadata2"]
}

Plenty of refinements still in the pipeline.
This commit is contained in:
Alasdair Kergon
2002-04-24 18:20:51 +00:00
parent f06bdc437d
commit 25b733809a
88 changed files with 2400 additions and 1788 deletions
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13
lib/device/dev-cache.c
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@ -46,7 +46,6 @@ static struct {
} _cache;
#define _alloc(x) pool_alloc(_cache.mem, (x))
#define _free(x) pool_free(_cache.mem, (x))
@ -194,7 +193,7 @@ static int _insert(const char *path, int rec)
return 0;
}
if (S_ISDIR(info.st_mode)) { /* add a directory */
if (S_ISDIR(info.st_mode)) { /* add a directory */
if (rec)
r = _insert_dir(path);
@ -255,7 +254,7 @@ int dev_cache_init(void)
return 1;
bad:
bad:
dev_cache_exit();
return 0;
}
@ -268,7 +267,7 @@ void _check_closed(struct device *dev)
static inline void _check_for_open_devices(void)
{
hash_iter(_cache.names, (iterate_fn)_check_closed);
hash_iter(_cache.names, (iterate_fn) _check_closed);
}
void dev_cache_exit(void)
@ -313,8 +312,8 @@ const char *dev_name_confirmed(struct device *dev)
char *name;
int r;
while ((r = stat(name = list_item(dev->aliases.n,
struct str_list)->str, &buf)) ||
while ((r = stat(name = list_item(dev->aliases.n,
struct str_list)->str, &buf)) ||
(buf.st_rdev != dev->dev)) {
if (r < 0)
log_sys_error("stat", name);
@ -342,7 +341,6 @@ const char *dev_name_confirmed(struct device *dev)
return dev_name(dev);
}
struct device *dev_cache_get(const char *name, struct dev_filter *f)
{
struct stat buf;
@ -399,4 +397,3 @@ struct device *dev_iter_get(struct dev_iter *iter)
return NULL;
}