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Remove device even if underlying device disappeared.

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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@240 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2010-05-30 12:20:56 +00:00
parent cf95e23dd5
commit 49463051bc
3 changed files with 13 additions and 8 deletions
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1
ChangeLog
View File

@@ -1,6 +1,7 @@
2010-05-27 Milan Broz <mbroz@redhat.com>
* Fix luksFormat/luksOpen reading passphrase from stdin and "-" keyfile.
* Add verbose log level and move unlocking message there.
* Remove device even if underlying device disappeared.
2010-05-23 Milan Broz <mbroz@redhat.com>
* Fix luksClose operation for stacked DM devices.

6
lib/libdevmapper.c
View File

@@ -197,7 +197,7 @@ static char *lookup_dev(const char *dev_id)
{
uint32_t major, minor;
dev_t dev;
char *result, buf[PATH_MAX + 1];
char *result = NULL, buf[PATH_MAX + 1];
if (sscanf(dev_id, "%" PRIu32 ":%" PRIu32, &major, &minor) != 2)
return NULL;
@@ -220,8 +220,8 @@ static char *lookup_dev(const char *dev_id)
strncpy(buf, DEVICE_DIR, PATH_MAX);
result = __lookup_dev(buf, dev, 0, 4);
/* If not found, return major:minor */
return result ?: strdup(dev_id);
/* If not found, return NULL */
return result;
}
static int _dev_read_ahead(const char *dev, uint32_t *read_ahead)

12
lib/setup.c
View File

@@ -741,9 +741,7 @@ int crypt_remove_device(struct crypt_options *options)
int r;
r = crypt_init_by_name(&cd, options->name);
if (r)
return r;
if (r == 0)
r = crypt_deactivate(cd, options->name);
crypt_free(cd);
@@ -759,7 +757,7 @@ int crypt_luksFormat(struct crypt_options *options)
char cipherMode[LUKS_CIPHERMODE_L];
char *password=NULL;
unsigned int passwordLen;
struct crypt_device *cd;
struct crypt_device *cd = NULL;
struct crypt_params_luks1 cp = {
.hash = options->hash,
.data_alignment = options->align_payload
@@ -1049,6 +1047,12 @@ int crypt_init_by_name(struct crypt_device **cd, const char *name)
r = dm_query_device(name, &device, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL);
/* Underlying device disappeared but mapping still active */
if (r >= 0 && !device)
log_verbose(NULL, _("Underlying device for crypt device %s disappeared.\n"),
name);
if (r >= 0)
r = crypt_init(cd, device);