Add lots of debugging to storage file probing code

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2012-12-13 14:23:50 +00:00
parent dfba37048a
commit 24643c780b

View File

@ -628,6 +628,9 @@ virStorageFileMatchesVersion(int format,
(buf[fileTypeInfo[format].versionOffset+2] << 8) |
(buf[fileTypeInfo[format].versionOffset+3]);
}
VIR_DEBUG("Compare detected version %d vs expected version %d",
version, fileTypeInfo[format].versionNumber);
if (version != fileTypeInfo[format].versionNumber)
return false;
@ -650,6 +653,8 @@ virStorageFileGetMetadataFromBuf(int format,
size_t buflen,
virStorageFileMetadata *meta)
{
VIR_DEBUG("path=%s format=%d", path, format);
/* XXX we should consider moving virStorageBackendUpdateVolInfo
* code into this method, for non-magic files
*/
@ -785,6 +790,7 @@ virStorageFileProbeFormatFromBuf(const char *path,
}
cleanup:
VIR_DEBUG("format=%d", format);
return format;
}
@ -963,6 +969,9 @@ virStorageFileGetMetadataRecurse(const char *path, int format,
bool allow_probe, virHashTablePtr cycle)
{
int fd;
VIR_DEBUG("path=%s format=%d uid=%d gid=%d probe=%d",
path, format, (int)uid, (int)gid, allow_probe);
virStorageFileMetadataPtr ret = NULL;
if (virHashLookup(cycle, path)) {
@ -1027,6 +1036,9 @@ virStorageFileGetMetadata(const char *path, int format,
uid_t uid, gid_t gid,
bool allow_probe)
{
VIR_DEBUG("path=%s format=%d uid=%d gid=%d probe=%d",
path, format, (int)uid, (int)gid, allow_probe);
virHashTablePtr cycle = virHashCreate(5, NULL);
virStorageFileMetadataPtr ret;