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authorkay.sievers@vrfy.org <kay.sievers@vrfy.org>2004-09-18 23:22:27 -0700
committerGreg KH <gregkh@suse.de>2005-04-26 21:37:01 -0700
commit9e8a3a095d955538acbdf28dba02582f6b2330e5 (patch)
tree2ef40834b44ef1d030ba73314d5c4ebad00d0848 /extras/volume_id
parentcdc60e8afb06a0688e4b9f166625d4d0b8805e68 (diff)
[PATCH] volume-id build fix and update
Let's try it another way: We define BLKGETSIZE64 in udev-volume_id.c now, cause including <fs.h> does also not work with klibc. This hopefully fixes your compile problem too. Also included is an update to udev_volume_id with the latest fixes for volume_id. It adds a simple logging file to map the debug function, that we can use exactly the same files in HAL and udev.
Diffstat (limited to 'extras/volume_id')
-rw-r--r--extras/volume_id/udev_volume_id.c17
-rw-r--r--extras/volume_id/volume_id.c295
-rw-r--r--extras/volume_id/volume_id.h2
-rw-r--r--extras/volume_id/volume_id_logging.h21
4 files changed, 211 insertions, 124 deletions
diff --git a/extras/volume_id/udev_volume_id.c b/extras/volume_id/udev_volume_id.c
index e88445054b..6b62db0775 100644
--- a/extras/volume_id/udev_volume_id.c
+++ b/extras/volume_id/udev_volume_id.c
@@ -24,8 +24,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <string.h>
#include <ctype.h>
-#include <linux/fs.h>
#include <sys/ioctl.h>
#include "../../libsysfs/sysfs/libsysfs.h"
@@ -34,6 +34,8 @@
#include "volume_id.h"
#include "dasdlabel.h"
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+
#ifdef LOG
unsigned char logname[LOGNAME_SIZE];
void log_message(int level, const char *format, ...)
@@ -73,16 +75,6 @@ static struct volume_id *open_classdev(struct sysfs_class_device *class_dev)
return vid;
}
-static unsigned long long get_size(struct volume_id *vid)
-{
- unsigned long long size;
-
- if (ioctl(vid->fd, BLKGETSIZE64, &size) != 0)
- size = 0;
-
- return size;
-}
-
static char *usage_id_name(enum volume_id_usage usage)
{
switch(usage) {
@@ -181,7 +173,8 @@ int main(int argc, char *argv[])
if (vid == NULL)
goto exit;
- size = get_size(vid);
+ if (ioctl(vid->fd, BLKGETSIZE64, &size) != 0)
+ size = 0;
if (volume_id_probe(vid, VOLUME_ID_ALL, 0, size) == 0)
goto print;
diff --git a/extras/volume_id/volume_id.c b/extras/volume_id/volume_id.c
index daeb00038a..99aed6c96b 100644
--- a/extras/volume_id/volume_id.c
+++ b/extras/volume_id/volume_id.c
@@ -24,17 +24,17 @@
*/
#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
+#define _GNU_SOURCE 1
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
-#include <stdlib.h>
#include <stdio.h>
-#include <string.h>
+#include <stdlib.h>
#include <unistd.h>
+#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <fcntl.h>
@@ -42,32 +42,24 @@
#include <asm/types.h>
#include "volume_id.h"
-
-#ifdef DEBUG
-#define dbg(format, arg...) \
- do { \
- printf("%s: " format "\n", __FUNCTION__ , ## arg); \
- } while (0)
-#else
-#define dbg(format, arg...) do {} while (0)
-#endif /* DEBUG */
+#include "volume_id_logging.h"
#define bswap16(x) (__u16)((((__u16)(x) & 0x00ffu) << 8) | \
- (((__u32)(x) & 0xff00u) >> 8))
+ (((__u16)(x) & 0xff00u) >> 8))
#define bswap32(x) (__u32)((((__u32)(x) & 0xff000000u) >> 24) | \
(((__u32)(x) & 0x00ff0000u) >> 8) | \
(((__u32)(x) & 0x0000ff00u) << 8) | \
(((__u32)(x) & 0x000000ffu) << 24))
-#define bswap64(x) (__u64)((((__u64)(x) & 0xff00000000000000u) >> 56) | \
- (((__u64)(x) & 0x00ff000000000000u) >> 40) | \
- (((__u64)(x) & 0x0000ff0000000000u) >> 24) | \
- (((__u64)(x) & 0x000000ff00000000u) >> 8) | \
- (((__u64)(x) & 0x00000000ff000000u) << 8) | \
- (((__u64)(x) & 0x0000000000ff0000u) << 24) | \
- (((__u64)(x) & 0x000000000000ff00u) << 40) | \
- (((__u64)(x) & 0x00000000000000ffu) << 56))
+#define bswap64(x) (__u64)((((__u64)(x) & 0xff00000000000000ull) >> 56) | \
+ (((__u64)(x) & 0x00ff000000000000ull) >> 40) | \
+ (((__u64)(x) & 0x0000ff0000000000ull) >> 24) | \
+ (((__u64)(x) & 0x000000ff00000000ull) >> 8) | \
+ (((__u64)(x) & 0x00000000ff000000ull) << 8) | \
+ (((__u64)(x) & 0x0000000000ff0000ull) << 24) | \
+ (((__u64)(x) & 0x000000000000ff00ull) << 40) | \
+ (((__u64)(x) & 0x00000000000000ffull) << 56))
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define le16_to_cpu(x) (x)
@@ -144,34 +136,56 @@ static void set_label_unicode16(struct volume_id *id,
}
}
-static void set_uuid(struct volume_id *id,
- const __u8 *buf, unsigned int count)
+enum uuid_format {
+ UUID_DCE,
+ UUID_DOS,
+ UUID_NTFS,
+ UUID_HFS,
+};
+
+static void set_uuid(struct volume_id *id, const __u8 *buf, enum uuid_format format)
{
unsigned int i;
+ unsigned int count = 0;
+ switch(format) {
+ case UUID_DOS:
+ count = 4;
+ break;
+ case UUID_NTFS:
+ case UUID_HFS:
+ count = 8;
+ break;
+ case UUID_DCE:
+ count = 16;
+ }
memcpy(id->uuid_raw, buf, count);
- /* create string if uuid is set */
+ /* if set, create string in the same format, the native platform uses */
for (i = 0; i < count; i++)
if (buf[i] != 0)
goto set;
return;
set:
- switch(count) {
- case 4:
+ switch(format) {
+ case UUID_DOS:
sprintf(id->uuid, "%02X%02X-%02X%02X",
buf[3], buf[2], buf[1], buf[0]);
break;
- case 8:
- sprintf(id->uuid,"%02X%02X-%02X%02X-%02X%02X-%02X%02X",
+ case UUID_NTFS:
+ sprintf(id->uuid,"%02X%02X%02X%02X%02X%02X%02X%02X",
buf[7], buf[6], buf[5], buf[4],
buf[3], buf[2], buf[1], buf[0]);
break;
- case 16:
+ case UUID_HFS:
+ sprintf(id->uuid,"%02X%02X%02X%02X%02X%02X%02X%02X",
+ buf[0], buf[1], buf[2], buf[3],
+ buf[4], buf[5], buf[6], buf[7]);
+ break;
+ case UUID_DCE:
sprintf(id->uuid,
- "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-"
- "%02x%02x%02x%02x%02x%02x",
+ "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
buf[0], buf[1], buf[2], buf[3],
buf[4], buf[5],
buf[6], buf[7],
@@ -337,12 +351,13 @@ static int probe_linux_raid(struct volume_id *id, __u64 off, __u64 size)
} __attribute__((packed)) *mdp;
const __u8 *buf;
- __u64 sboff = (size & ~(MD_RESERVED_BYTES - 1)) - MD_RESERVED_BYTES;
+ __u64 sboff;
__u8 uuid[16];
if (size < 0x10000)
return -1;
+ sboff = (size & ~(MD_RESERVED_BYTES - 1)) - MD_RESERVED_BYTES;
buf = get_buffer(id, off + sboff, 0x800);
if (buf == NULL)
return -1;
@@ -354,7 +369,7 @@ static int probe_linux_raid(struct volume_id *id, __u64 off, __u64 size)
memcpy(uuid, &mdp->set_uuid0, 4);
memcpy(&uuid[4], &mdp->set_uuid1, 12);
- set_uuid(id, uuid, 16);
+ set_uuid(id, uuid, UUID_DCE);
snprintf(id->type_version, VOLUME_ID_FORMAT_SIZE-1, "%u.%u.%u",
le32_to_cpu(mdp->major_version),
@@ -572,7 +587,7 @@ static int probe_ext(struct volume_id *id, __u64 off)
set_label_raw(id, es->volume_name, 16);
set_label_string(id, es->volume_name, 16);
- set_uuid(id, es->uuid, 16);
+ set_uuid(id, es->uuid, UUID_DCE);
if ((le32_to_cpu(es->feature_compat) &
EXT3_FEATURE_COMPAT_HAS_JOURNAL) != 0) {
@@ -638,7 +653,7 @@ static int probe_reiserfs(struct volume_id *id, __u64 off)
found:
set_label_raw(id, rs->label, 16);
set_label_string(id, rs->label, 16);
- set_uuid(id, rs->uuid, 16);
+ set_uuid(id, rs->uuid, UUID_DCE);
id->usage_id = VOLUME_ID_FILESYSTEM;
id->type_id = VOLUME_ID_REISERFS;
@@ -673,7 +688,7 @@ static int probe_xfs(struct volume_id *id, __u64 off)
set_label_raw(id, xs->fname, 12);
set_label_string(id, xs->fname, 12);
- set_uuid(id, xs->uuid, 16);
+ set_uuid(id, xs->uuid, UUID_DCE);
id->usage_id = VOLUME_ID_FILESYSTEM;
id->type_id = VOLUME_ID_XFS;
@@ -708,7 +723,7 @@ static int probe_jfs(struct volume_id *id, __u64 off)
set_label_raw(id, js->label, 16);
set_label_string(id, js->label, 16);
- set_uuid(id, js->uuid, 16);
+ set_uuid(id, js->uuid, UUID_DCE);
id->usage_id = VOLUME_ID_FILESYSTEM;
id->type_id = VOLUME_ID_JFS;
@@ -720,52 +735,6 @@ static int probe_jfs(struct volume_id *id, __u64 off)
#define FAT12_MAX 0xff5
#define FAT16_MAX 0xfff5
#define FAT_ATTR_VOLUME 0x08
-struct vfat_dir_entry {
- __u8 name[11];
- __u8 attr;
- __u16 time_creat;
- __u16 date_creat;
- __u16 time_acc;
- __u16 date_acc;
- __u16 cluster_high;
- __u16 time_write;
- __u16 date_write;
- __u16 cluster_low;
- __u32 size;
-} __attribute__((__packed__));
-
-static char *vfat_search_label_in_dir(const __u8 *buf, __u16 size)
-{
- struct vfat_dir_entry *dir;
- int i;
- __u16 count;
-
- dir = (struct vfat_dir_entry*) buf;
- count = size / sizeof(struct vfat_dir_entry);
- dbg("expected entries 0x%x", count);
-
- for (i = 0; i <= count; i++) {
- /* end marker */
- if (dir[i].attr == 0x00) {
- dbg("end of dir");
- return NULL;
- }
-
- /* empty entry */
- if (dir[i].attr == 0xe5)
- continue;
-
- if (dir[i].attr == FAT_ATTR_VOLUME) {
- dbg("found ATTR_VOLUME id in root dir");
- return dir[i].name;
- }
-
- dbg("skip dir entry");
- }
-
- return NULL;
-}
-
static int probe_vfat(struct volume_id *id, __u64 off)
{
struct vfat_super_block {
@@ -810,6 +779,20 @@ static int probe_vfat(struct volume_id *id, __u64 off)
} __attribute__((__packed__)) type;
} __attribute__((__packed__)) *vs;
+ struct vfat_dir_entry {
+ __u8 name[11];
+ __u8 attr;
+ __u16 time_creat;
+ __u16 date_creat;
+ __u16 time_acc;
+ __u16 date_acc;
+ __u16 cluster_high;
+ __u16 time_write;
+ __u16 date_write;
+ __u16 cluster_low;
+ __u32 size;
+ } __attribute__((__packed__)) *dir;
+
__u16 sector_size;
__u16 dir_entries;
__u32 sect_count;
@@ -826,6 +809,8 @@ static int probe_vfat(struct volume_id *id, __u64 off)
__u32 buf_size;
__u8 *label = NULL;
__u32 next;
+ int maxloop;
+ int i;
vs = (struct vfat_super_block *) get_buffer(id, off, 0x200);
if (vs == NULL)
@@ -892,7 +877,7 @@ valid:
sect_count = le16_to_cpu(vs->sectors);
if (sect_count == 0)
- sect_count = vs->total_sect;
+ sect_count = le32_to_cpu(vs->total_sect);
dbg("sect_count 0x%x", sect_count);
fat_length = le16_to_cpu(vs->fat_length);
@@ -920,15 +905,35 @@ valid:
/* the label may be an attribute in the root directory */
root_start = (reserved + fat_size) * sector_size;
+ dbg("root dir start 0x%llx", root_start);
root_dir_entries = le16_to_cpu(vs->dir_entries);
- dbg("root dir start 0x%x", root_start);
+ dbg("expected entries 0x%x", root_dir_entries);
buf_size = root_dir_entries * sizeof(struct vfat_dir_entry);
buf = get_buffer(id, off + root_start, buf_size);
if (buf == NULL)
goto found;
- label = vfat_search_label_in_dir(buf, buf_size);
+ dir = (struct vfat_dir_entry*) buf;
+
+ for (i = 0; i <= root_dir_entries; i++) {
+ /* end marker */
+ if (dir[i].attr == 0x00) {
+ dbg("end of dir");
+ break;
+ }
+
+ /* empty entry */
+ if (dir[i].attr == 0xe5)
+ continue;
+
+ if (dir[i].attr == FAT_ATTR_VOLUME) {
+ dbg("found ATTR_VOLUME id in root dir");
+ label = dir[i].name;
+ }
+
+ dbg("skip dir entry");
+ }
if (label != NULL && strncmp(label, "NO NAME ", 11) != 0) {
set_label_raw(id, label, 11);
@@ -937,7 +942,7 @@ valid:
set_label_raw(id, vs->type.fat.label, 11);
set_label_string(id, vs->type.fat.label, 11);
}
- set_uuid(id, vs->type.fat.serno, 4);
+ set_uuid(id, vs->type.fat.serno, UUID_DOS);
goto found;
fat32:
@@ -948,24 +953,46 @@ fat32:
start_data_sect = reserved + fat_size;
next = root_cluster;
- while (1) {
+ maxloop = 100;
+ while (--maxloop) {
__u32 next_sect_off;
__u64 next_off;
__u64 fat_entry_off;
+ int count;
dbg("next cluster %u", next);
next_sect_off = (next - 2) * vs->sectors_per_cluster;
next_off = (start_data_sect + next_sect_off) * sector_size;
- dbg("cluster offset 0x%x", next_off);
+ dbg("cluster offset 0x%llx", next_off);
/* get cluster */
buf = get_buffer(id, off + next_off, buf_size);
if (buf == NULL)
goto found;
- label = vfat_search_label_in_dir(buf, buf_size);
- if (label != NULL)
- break;
+ dir = (struct vfat_dir_entry*) buf;
+ count = buf_size / sizeof(struct vfat_dir_entry);
+ dbg("expected entries 0x%x", count);
+
+ for (i = 0; i <= count; i++) {
+ /* end marker */
+ if (dir[i].attr == 0x00) {
+ dbg("end of dir");
+ goto fat32_label;
+ }
+
+ /* empty entry */
+ if (dir[i].attr == 0xe5)
+ continue;
+
+ if (dir[i].attr == FAT_ATTR_VOLUME) {
+ dbg("found ATTR_VOLUME id in root dir");
+ label = dir[i].name;
+ goto fat32_label;
+ }
+
+ dbg("skip dir entry");
+ }
/* get FAT entry */
fat_entry_off = (reserved * sector_size) + (next * sizeof(__u32));
@@ -978,7 +1005,10 @@ fat32:
if (next == 0)
break;
}
+ if (maxloop == 0)
+ dbg("reached maximum follow count of root cluster chain, give up");
+fat32_label:
if (label != NULL && strncmp(label, "NO NAME ", 11) != 0) {
set_label_raw(id, label, 11);
set_label_string(id, label, 11);
@@ -986,7 +1016,7 @@ fat32:
set_label_raw(id, vs->type.fat32.label, 11);
set_label_string(id, vs->type.fat32.label, 11);
}
- set_uuid(id, vs->type.fat32.serno, 4);
+ set_uuid(id, vs->type.fat32.serno, UUID_DCE);
found:
id->usage_id = VOLUME_ID_FILESYSTEM;
@@ -1479,9 +1509,10 @@ static int probe_mac_partition_map(struct volume_id *id, __u64 off)
#define HFS_SUPERBLOCK_OFFSET 0x400
#define HFS_NODE_LEAF 0xff
#define HFSPLUS_POR_CNID 1
+#define HFSPLUS_EXTENT_COUNT 8
static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
{
- struct finder_info {
+ struct hfs_finder_info{
__u32 boot_folder;
__u32 start_app;
__u32 open_folder;
@@ -1515,7 +1546,7 @@ static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
__u16 num_root_dirs;
__u32 file_count;
__u32 dir_count;
- struct finder_info finfo;
+ struct hfs_finder_info finder_info;
__u8 embed_sig[2];
__u16 embed_startblock;
__u16 embed_blockcount;
@@ -1555,7 +1586,7 @@ static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
__u64 total_size;
__u32 clump_size;
__u32 total_blocks;
- struct hfsplus_extent extents[8];
+ struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
} __attribute__((__packed__));
struct hfsplus_vol_header {
@@ -1579,7 +1610,7 @@ static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
__u32 next_cnid;
__u32 write_count;
__u64 encodings_bmp;
- struct finder_info finfo;
+ struct hfs_finder_info finder_info;
struct hfsplus_fork alloc_file;
struct hfsplus_fork ext_file;
struct hfsplus_fork cat_file;
@@ -1589,18 +1620,23 @@ static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
unsigned int blocksize;
unsigned int cat_block;
- unsigned int cat_block_count;
- unsigned int cat_off;
- unsigned int cat_len;
+ unsigned int ext_block_start;
+ unsigned int ext_block_count;
+ int ext;
unsigned int leaf_node_head;
+ unsigned int leaf_node_count;
unsigned int leaf_node_size;
+ unsigned int leaf_block;
+ __u64 leaf_off;
unsigned int alloc_block_size;
unsigned int alloc_first_block;
unsigned int embed_first_block;
+ unsigned int record_count;
struct hfsplus_bnode_descriptor *descr;
struct hfsplus_bheader_record *bnode;
struct hfsplus_catalog_key *key;
unsigned int label_len;
+ struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
const __u8 *buf;
buf = get_buffer(id, off + HFS_SUPERBLOCK_OFFSET, 0x200);
@@ -1637,6 +1673,8 @@ static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
set_label_string(id, hfs->label, hfs->label_len) ;
}
+ set_uuid(id, hfs->finder_info.id, UUID_HFS);
+
id->usage_id = VOLUME_ID_FILESYSTEM;
id->type_id = VOLUME_ID_HFS;
id->type = "hfs";
@@ -1652,14 +1690,16 @@ checkplus:
return -1;
hfsplus:
+ set_uuid(id, hfsplus->finder_info.id, UUID_HFS);
+
blocksize = be32_to_cpu(hfsplus->blocksize);
- cat_block = be32_to_cpu(hfsplus->cat_file.extents[0].start_block);
- cat_block_count = be32_to_cpu(hfsplus->cat_file.extents[0].block_count);
- cat_off = (cat_block * blocksize);
- cat_len = cat_block_count * blocksize;
- dbg("catalog start 0x%llx, len 0x%x", off + cat_off, cat_len);
+ dbg("blocksize %u", blocksize);
+
+ memcpy(extents, hfsplus->cat_file.extents, sizeof(extents));
+ cat_block = be32_to_cpu(extents[0].start_block);
+ dbg("catalog start block 0x%x", cat_block);
- buf = get_buffer(id, off + cat_off, 0x2000);
+ buf = get_buffer(id, off + (cat_block * blocksize), 0x2000);
if (buf == NULL)
goto found;
@@ -1667,18 +1707,51 @@ hfsplus:
&buf[sizeof(struct hfsplus_bnode_descriptor)];
leaf_node_head = be32_to_cpu(bnode->leaf_head);
+ dbg("catalog leaf node 0x%x", leaf_node_head);
+
leaf_node_size = be16_to_cpu(bnode->node_size);
+ dbg("leaf node size 0x%x", leaf_node_size);
+
+ leaf_node_count = be32_to_cpu(bnode->leaf_count);
+ dbg("leaf node count 0x%x", leaf_node_count);
+ if (leaf_node_count == 0)
+ goto found;
+
+ leaf_block = (leaf_node_head * leaf_node_size) / blocksize;
+
+ /* get physical location */
+ for (ext = 0; ext < HFSPLUS_EXTENT_COUNT; ext++) {
+ ext_block_start = be32_to_cpu(extents[ext].start_block);
+ ext_block_count = be32_to_cpu(extents[ext].block_count);
+ dbg("extent start block 0x%x, count 0x%x", ext_block_start, ext_block_count);
- dbg("catalog leaf node 0x%x, size 0x%x",
- leaf_node_head, leaf_node_size);
+ if (ext_block_count == 0)
+ goto found;
+
+ /* this is our extent */
+ if (leaf_block < ext_block_count)
+ break;
+
+ leaf_block -= ext_block_count;
+ }
+ if (ext == HFSPLUS_EXTENT_COUNT)
+ goto found;
+ dbg("found block in extent %i", ext);
+
+ leaf_off = (ext_block_start + leaf_block) * blocksize;
- buf = get_buffer(id, off + cat_off + (leaf_node_head * leaf_node_size),
- leaf_node_size);
+ buf = get_buffer(id, off + leaf_off, leaf_node_size);
if (buf == NULL)
goto found;
descr = (struct hfsplus_bnode_descriptor *) buf;
dbg("descriptor type 0x%x", descr->type);
+
+ record_count = be16_to_cpu(descr->num_recs);
+ dbg("number of records %u", record_count);
+ if (record_count == 0)
+ goto found;
+
if (descr->type != HFS_NODE_LEAF)
goto found;
@@ -1787,7 +1860,7 @@ static int probe_ntfs(struct volume_id *id, __u64 off)
if (strncmp(ns->oem_id, "NTFS", 4) != 0)
return -1;
- set_uuid(id, ns->volume_serial, 8);
+ set_uuid(id, ns->volume_serial, UUID_NTFS);
sector_size = le16_to_cpu(ns->bytes_per_sector);
cluster_size = ns->sectors_per_cluster * sector_size;
diff --git a/extras/volume_id/volume_id.h b/extras/volume_id/volume_id.h
index eb90390617..e68c42c3cf 100644
--- a/extras/volume_id/volume_id.h
+++ b/extras/volume_id/volume_id.h
@@ -21,7 +21,7 @@
#ifndef _VOLUME_ID_H_
#define _VOLUME_ID_H_
-#define VOLUME_ID_VERSION 022
+#define VOLUME_ID_VERSION 024
#define VOLUME_ID_LABEL_SIZE 64
#define VOLUME_ID_UUID_SIZE 16
diff --git a/extras/volume_id/volume_id_logging.h b/extras/volume_id/volume_id_logging.h
new file mode 100644
index 0000000000..e978ce197c
--- /dev/null
+++ b/extras/volume_id/volume_id_logging.h
@@ -0,0 +1,21 @@
+/*
+ * volume_id_logging - this file is used to map the dbg() function
+ * to the host logging facility
+ *
+ */
+
+#ifndef _VOLUME_ID_LOGGING_H_
+#define _VOLUME_ID_LOGGING_H_
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* just use the udev version*/
+#include "../../logging.h"
+
+#endif /* _VOLUME_ID_LOGGING_H_ */