volume_id: add FAST_FUNC where appropriate

function                                             old     new   delta
volume_id_probe_iso9660                              324     327      +3
volume_id_probe_vfat                                 902     903      +1
volume_id_probe_udf                                  576     577      +1
volume_id_probe_ntfs                                 314     315      +1
uuidcache_check_device                               292     291      -1
volume_id_probe_xfs                                   87      85      -2
volume_id_probe_sysv                                 165     163      -2
volume_id_probe_romfs                                 89      87      -2
volume_id_probe_reiserfs                             236     234      -2
volume_id_probe_ocfs2                                 96      94      -2
volume_id_probe_luks                                  78      76      -2
volume_id_probe_linux_swap                           165     163      -2
volume_id_probe_jfs                                   96      94      -2
volume_id_probe_hfs_hfsplus                          795     793      -2
volume_id_probe_ext                                   82      80      -2
volume_id_probe_cramfs                                59      57      -2
volume_id_probe_btrfs                                 96      94      -2
free_volume_id                                        36      31      -5
volume_id_probe_linux_raid                           127     119      -8
volume_id_probe_all                                  152     138     -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/16 up/down: 6/-52)            Total: -46 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

32 files changed, 73 insertions, 73 deletions

diff --git a/util-linux/volume_id/btrfs.c b/util-linux/volume_id/btrfs.c
index 98f150793..53bac7438 100644
--- a/util-linux/volume_id/btrfs.c
+++ b/util-linux/volume_id/btrfs.c
@@ -78,7 +78,7 @@ struct btrfs_super_block {
 	// ...
 } PACKED;
 
-int volume_id_probe_btrfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_btrfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t) (64 * 1024))
 	struct btrfs_super_block *sb;
diff --git a/util-linux/volume_id/cramfs.c b/util-linux/volume_id/cramfs.c
index 37b991105..b84a6f0b2 100644
--- a/util-linux/volume_id/cramfs.c
+++ b/util-linux/volume_id/cramfs.c
@@ -35,7 +35,7 @@ struct cramfs_super {
 	uint8_t		name[16];
 } PACKED;
 
-int volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct cramfs_super *cs;
diff --git a/util-linux/volume_id/ext.c b/util-linux/volume_id/ext.c
index e4097737b..80c217f98 100644
--- a/util-linux/volume_id/ext.c
+++ b/util-linux/volume_id/ext.c
@@ -43,7 +43,7 @@ struct ext2_super_block {
 #define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x00000008
 #define EXT_SUPERBLOCK_OFFSET			0x400
 
-int volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct ext2_super_block *es;
diff --git a/util-linux/volume_id/fat.c b/util-linux/volume_id/fat.c
index 8cf429ec5..6173ba9f0 100644
--- a/util-linux/volume_id/fat.c
+++ b/util-linux/volume_id/fat.c
@@ -119,7 +119,7 @@ static uint8_t *get_attr_volume_id(struct vfat_dir_entry *dir, int count)
 	return NULL;
 }
 
-int volume_id_probe_vfat(struct volume_id *id /*,uint64_t fat_partition_off*/)
+int FAST_FUNC volume_id_probe_vfat(struct volume_id *id /*,uint64_t fat_partition_off*/)
 {
 #define fat_partition_off ((uint64_t)0)
 	struct vfat_super_block *vs;
diff --git a/util-linux/volume_id/hfs.c b/util-linux/volume_id/hfs.c
index 71a5e8b09..cf7585138 100644
--- a/util-linux/volume_id/hfs.c
+++ b/util-linux/volume_id/hfs.c
@@ -131,7 +131,7 @@ struct hfsplus_vol_header {
 #define HFS_NODE_LEAF			0xff
 #define HFSPLUS_POR_CNID		1
 
-int volume_id_probe_hfs_hfsplus(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_hfs_hfsplus(struct volume_id *id /*,uint64_t off*/)
 {
 	uint64_t off = 0;
 	unsigned blocksize;
diff --git a/util-linux/volume_id/iso9660.c b/util-linux/volume_id/iso9660.c
index 76fa546bf..1519de496 100644
--- a/util-linux/volume_id/iso9660.c
+++ b/util-linux/volume_id/iso9660.c
@@ -47,7 +47,7 @@ struct high_sierra_volume_descriptor {
 	uint8_t		version;
 } PACKED;
 
-int volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	uint8_t *buf;
diff --git a/util-linux/volume_id/jfs.c b/util-linux/volume_id/jfs.c
index eb6008fc4..eb7a44872 100644
--- a/util-linux/volume_id/jfs.c
+++ b/util-linux/volume_id/jfs.c
@@ -35,7 +35,7 @@ struct jfs_super_block {
 
 #define JFS_SUPERBLOCK_OFFSET			0x8000
 
-int volume_id_probe_jfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_jfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct jfs_super_block *js;
diff --git a/util-linux/volume_id/linux_raid.c b/util-linux/volume_id/linux_raid.c
index b691f2037..d1bf0c308 100644
--- a/util-linux/volume_id/linux_raid.c
+++ b/util-linux/volume_id/linux_raid.c
@@ -42,7 +42,7 @@ struct mdp_super_block {
 #define MD_RESERVED_BYTES		0x10000
 #define MD_MAGIC			0xa92b4efc
 
-int volume_id_probe_linux_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size)
+int FAST_FUNC volume_id_probe_linux_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size)
 {
 #define off ((uint64_t)0)
 	uint64_t sboff;
diff --git a/util-linux/volume_id/linux_swap.c b/util-linux/volume_id/linux_swap.c
index 7ae451649..1b5488f9e 100644
--- a/util-linux/volume_id/linux_swap.c
+++ b/util-linux/volume_id/linux_swap.c
@@ -31,7 +31,7 @@ struct swap_header_v1_2 {
 
 #define LARGEST_PAGESIZE			0x4000
 
-int volume_id_probe_linux_swap(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_linux_swap(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct swap_header_v1_2 *sw;
diff --git a/util-linux/volume_id/luks.c b/util-linux/volume_id/luks.c
index ebc7d160d..8ab09e381 100644
--- a/util-linux/volume_id/luks.c
+++ b/util-linux/volume_id/luks.c
@@ -80,7 +80,7 @@ struct BUG_bad_size_luks_phdr {
 		1 : -1];
 };
 
-int volume_id_probe_luks(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_luks(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct luks_phdr *header;
diff --git a/util-linux/volume_id/ntfs.c b/util-linux/volume_id/ntfs.c
index 3b3e97347..17b1fe8b3 100644
--- a/util-linux/volume_id/ntfs.c
+++ b/util-linux/volume_id/ntfs.c
@@ -84,7 +84,7 @@ struct volume_info {
 #define MFT_RECORD_ATTR_OBJECT_ID		0x40
 #define MFT_RECORD_ATTR_END			0xffffffffu
 
-int volume_id_probe_ntfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_ntfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	unsigned sector_size;
diff --git a/util-linux/volume_id/ocfs2.c b/util-linux/volume_id/ocfs2.c
index 14573caa1..e6c455965 100644
--- a/util-linux/volume_id/ocfs2.c
+++ b/util-linux/volume_id/ocfs2.c
@@ -80,7 +80,7 @@ struct ocfs2_super_block {
 	uint8_t		s_uuid[OCFS2_VOL_UUID_LEN];	/* 128-bit uuid */
 } PACKED;
 
-int volume_id_probe_ocfs2(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_ocfs2(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct ocfs2_super_block *os;
diff --git a/util-linux/volume_id/reiserfs.c b/util-linux/volume_id/reiserfs.c
index 1298f86ae..3120b29a0 100644
--- a/util-linux/volume_id/reiserfs.c
+++ b/util-linux/volume_id/reiserfs.c
@@ -48,7 +48,7 @@ struct reiser4_super_block {
 #define REISERFS1_SUPERBLOCK_OFFSET		0x2000
 #define REISERFS_SUPERBLOCK_OFFSET		0x10000
 
-int volume_id_probe_reiserfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_reiserfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct reiserfs_super_block *rs;
diff --git a/util-linux/volume_id/romfs.c b/util-linux/volume_id/romfs.c
index f5005cd50..228e77a41 100644
--- a/util-linux/volume_id/romfs.c
+++ b/util-linux/volume_id/romfs.c
@@ -27,7 +27,7 @@ struct romfs_super {
 	uint8_t name[];
 } PACKED;
 
-int volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct romfs_super *rfs;
diff --git a/util-linux/volume_id/sysv.c b/util-linux/volume_id/sysv.c
index 0e6507291..e0fa20a8c 100644
--- a/util-linux/volume_id/sysv.c
+++ b/util-linux/volume_id/sysv.c
@@ -82,7 +82,7 @@ struct xenix_super {
 #define XENIX_MAGIC				0x2b5544
 #define SYSV_MAX_BLOCKSIZE			0x800
 
-int volume_id_probe_sysv(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_sysv(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct sysv_super *vs;
diff --git a/util-linux/volume_id/udf.c b/util-linux/volume_id/udf.c
index a6e719a3c..dd2573171 100644
--- a/util-linux/volume_id/udf.c
+++ b/util-linux/volume_id/udf.c
@@ -55,7 +55,7 @@ struct volume_structure_descriptor {
 
 #define UDF_VSD_OFFSET			0x8000
 
-int volume_id_probe_udf(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_udf(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct volume_descriptor *vd;
diff --git a/util-linux/volume_id/unused_highpoint.c b/util-linux/volume_id/unused_highpoint.c
index 6fd58b787..17b7b3291 100644
--- a/util-linux/volume_id/unused_highpoint.c
+++ b/util-linux/volume_id/unused_highpoint.c
@@ -37,7 +37,7 @@ struct hpt45x_meta {
 #define HPT45X_MAGIC_BAD		0x5a7816fd
 
 
-int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
 {
 	struct hpt37x_meta *hpt;
 	uint32_t magic;
@@ -58,7 +58,7 @@ int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
 	return 0;
 }
 
-int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	struct hpt45x_meta *hpt;
 	uint64_t meta_off;
diff --git a/util-linux/volume_id/unused_hpfs.c b/util-linux/volume_id/unused_hpfs.c
index 8c7897a77..442952464 100644
--- a/util-linux/volume_id/unused_hpfs.c
+++ b/util-linux/volume_id/unused_hpfs.c
@@ -27,7 +27,7 @@ struct hpfs_super {
 
 #define HPFS_SUPERBLOCK_OFFSET			0x2000
 
-int volume_id_probe_hpfs(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_hpfs(struct volume_id *id, uint64_t off)
 {
 	struct hpfs_super *hs;
 
diff --git a/util-linux/volume_id/unused_isw_raid.c b/util-linux/volume_id/unused_isw_raid.c
index b31a124a2..7ab47b3a1 100644
--- a/util-linux/volume_id/unused_isw_raid.c
+++ b/util-linux/volume_id/unused_isw_raid.c
@@ -31,7 +31,7 @@ struct isw_meta {
 #define ISW_SIGNATURE		"Intel Raid ISM Cfg Sig. "
 
 
-int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	uint64_t meta_off;
 	struct isw_meta *isw;
diff --git a/util-linux/volume_id/unused_lsi_raid.c b/util-linux/volume_id/unused_lsi_raid.c
index 6899900db..e6cc8edd3 100644
--- a/util-linux/volume_id/unused_lsi_raid.c
+++ b/util-linux/volume_id/unused_lsi_raid.c
@@ -26,7 +26,7 @@ struct lsi_meta {
 
 #define LSI_SIGNATURE		"$XIDE$"
 
-int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	uint64_t meta_off;
 	struct lsi_meta *lsi;
diff --git a/util-linux/volume_id/unused_lvm.c b/util-linux/volume_id/unused_lvm.c
index c3270681e..2206498bf 100644
--- a/util-linux/volume_id/unused_lvm.c
+++ b/util-linux/volume_id/unused_lvm.c
@@ -34,7 +34,7 @@ struct lvm2_super_block {
 
 #define LVM1_SB_OFF			0x400
 
-int volume_id_probe_lvm1(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_lvm1(struct volume_id *id, uint64_t off)
 {
 	struct lvm1_super_block *lvm;
 
@@ -56,7 +56,7 @@ int volume_id_probe_lvm1(struct volume_id *id, uint64_t off)
 #define LVM2_LABEL_ID			"LABELONE"
 #define LVM2LABEL_SCAN_SECTORS		4
 
-int volume_id_probe_lvm2(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_lvm2(struct volume_id *id, uint64_t off)
 {
 	const uint8_t *buf;
 	unsigned soff;
diff --git a/util-linux/volume_id/unused_mac.c b/util-linux/volume_id/unused_mac.c
index c4732ee0d..e8deb9720 100644
--- a/util-linux/volume_id/unused_mac.c
+++ b/util-linux/volume_id/unused_mac.c
@@ -36,7 +36,7 @@ struct mac_partition {
 	uint8_t		type[32];
 } PACKED;
 
-int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
 {
 	const uint8_t *buf;
 	struct mac_driver_desc *driver;
diff --git a/util-linux/volume_id/unused_minix.c b/util-linux/volume_id/unused_minix.c
index 4f4f8a720..a3e1077b0 100644
--- a/util-linux/volume_id/unused_minix.c
+++ b/util-linux/volume_id/unused_minix.c
@@ -35,7 +35,7 @@ struct minix_super_block {
 
 #define MINIX_SUPERBLOCK_OFFSET			0x400
 
-int volume_id_probe_minix(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_minix(struct volume_id *id, uint64_t off)
 {
 	struct minix_super_block *ms;
 
diff --git a/util-linux/volume_id/unused_msdos.c b/util-linux/volume_id/unused_msdos.c
index 465f22dc3..ccec72c5e 100644
--- a/util-linux/volume_id/unused_msdos.c
+++ b/util-linux/volume_id/unused_msdos.c
@@ -47,7 +47,7 @@ struct msdos_partition_entry {
 #define is_raid(type) \
 	(type == LINUX_RAID_PARTITION)
 
-int volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t off)
 {
 	const uint8_t *buf;
 	int i;
diff --git a/util-linux/volume_id/unused_nvidia_raid.c b/util-linux/volume_id/unused_nvidia_raid.c
index b65cec41d..9e8472921 100644
--- a/util-linux/volume_id/unused_nvidia_raid.c
+++ b/util-linux/volume_id/unused_nvidia_raid.c
@@ -29,7 +29,7 @@ struct nvidia_meta {
 
 #define NVIDIA_SIGNATURE		"NVIDIA"
 
-int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	uint64_t meta_off;
 	struct nvidia_meta *nv;
diff --git a/util-linux/volume_id/unused_promise_raid.c b/util-linux/volume_id/unused_promise_raid.c
index 4a15ddaf1..0b0d0063c 100644
--- a/util-linux/volume_id/unused_promise_raid.c
+++ b/util-linux/volume_id/unused_promise_raid.c
@@ -27,7 +27,7 @@ struct promise_meta {
 #define PDC_CONFIG_OFF		0x1200
 #define PDC_SIGNATURE		"Promise Technology, Inc."
 
-int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	static const unsigned short sectors[] = {
 		63, 255, 256, 16, 399
diff --git a/util-linux/volume_id/unused_silicon_raid.c b/util-linux/volume_id/unused_silicon_raid.c
index 6ce4037c6..d1c439ecf 100644
--- a/util-linux/volume_id/unused_silicon_raid.c
+++ b/util-linux/volume_id/unused_silicon_raid.c
@@ -41,7 +41,7 @@ struct silicon_meta {
 
 #define SILICON_MAGIC		0x2F000000
 
-int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	uint64_t meta_off;
 	struct silicon_meta *sil;
diff --git a/util-linux/volume_id/unused_ufs.c b/util-linux/volume_id/unused_ufs.c
index e05e93380..9f925d983 100644
--- a/util-linux/volume_id/unused_ufs.c
+++ b/util-linux/volume_id/unused_ufs.c
@@ -162,7 +162,7 @@ struct ufs_super_block {
 #define UFS_MAGIC_FEA			0x00195612
 #define UFS_MAGIC_LFN			0x00095014
 
-int volume_id_probe_ufs(struct volume_id *id, uint64_t off)
+int FAST_FUNC volume_id_probe_ufs(struct volume_id *id, uint64_t off)
 {
 	static const short offsets[] = { 0, 8, 64, 256 };
 
diff --git a/util-linux/volume_id/unused_via_raid.c b/util-linux/volume_id/unused_via_raid.c
index 21ed315ba..a11eec13a 100644
--- a/util-linux/volume_id/unused_via_raid.c
+++ b/util-linux/volume_id/unused_via_raid.c
@@ -36,7 +36,7 @@ struct via_meta {
 
 #define VIA_SIGNATURE		0xAA55
 
-int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size)
+int FAST_FUNC volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
 	uint64_t meta_off;
 	struct via_meta *via;
diff --git a/util-linux/volume_id/volume_id.c b/util-linux/volume_id/volume_id.c
index 590f51da9..4826c2e65 100644
--- a/util-linux/volume_id/volume_id.c
+++ b/util-linux/volume_id/volume_id.c
@@ -45,8 +45,8 @@
 #define ENABLE_FEATURE_VOLUMEID_UFS           0
 
 
-typedef int (*raid_probe_fptr)(struct volume_id *id, /*uint64_t off,*/ uint64_t size);
-typedef int (*probe_fptr)(struct volume_id *id /*, uint64_t off*/);
+typedef int FAST_FUNC (*raid_probe_fptr)(struct volume_id *id, /*uint64_t off,*/ uint64_t size);
+typedef int FAST_FUNC (*probe_fptr)(struct volume_id *id /*, uint64_t off*/);
 
 static const raid_probe_fptr raid1[] = {
 #if ENABLE_FEATURE_VOLUMEID_LINUXRAID
@@ -153,7 +153,7 @@ static const probe_fptr fs2[] = {
 #endif
 };
 
-int volume_id_probe_all(struct volume_id *id, /*uint64_t off,*/ uint64_t size)
+int FAST_FUNC volume_id_probe_all(struct volume_id *id, /*uint64_t off,*/ uint64_t size)
 {
 	unsigned i;
 
@@ -199,7 +199,7 @@ int volume_id_probe_all(struct volume_id *id, /*uint64_t off,*/ uint64_t size)
 }
 
 /* open volume by device node */
-struct volume_id *volume_id_open_node(int fd)
+struct volume_id* FAST_FUNC volume_id_open_node(int fd)
 {
 	struct volume_id *id;
 
@@ -212,7 +212,7 @@ struct volume_id *volume_id_open_node(int fd)
 
 #ifdef UNUSED
 /* open volume by major/minor */
-struct volume_id *volume_id_open_dev_t(dev_t devt)
+struct volume_id* FAST_FUNC volume_id_open_dev_t(dev_t devt)
 {
 	struct volume_id *id;
 	char *tmp_node[VOLUME_ID_PATH_MAX];
@@ -232,7 +232,7 @@ struct volume_id *volume_id_open_dev_t(dev_t devt)
 }
 #endif
 
-void free_volume_id(struct volume_id *id)
+void FAST_FUNC free_volume_id(struct volume_id *id)
 {
 	if (id == NULL)
 		return;
diff --git a/util-linux/volume_id/volume_id_internal.h b/util-linux/volume_id/volume_id_internal.h
index 65575b7a9..9b808ff6b 100644
--- a/util-linux/volume_id/volume_id_internal.h
+++ b/util-linux/volume_id/volume_id_internal.h
@@ -83,9 +83,9 @@ struct volume_id {
 //	const char	*type;
 };
 
-struct volume_id *volume_id_open_node(int fd);
-int volume_id_probe_all(struct volume_id *id, /*uint64_t off,*/ uint64_t size);
-void free_volume_id(struct volume_id *id);
+struct volume_id* FAST_FUNC volume_id_open_node(int fd);
+int FAST_FUNC volume_id_probe_all(struct volume_id *id, /*uint64_t off,*/ uint64_t size);
+void FAST_FUNC free_volume_id(struct volume_id *id);
 
 /* util.h */
 
@@ -162,68 +162,68 @@ void volume_id_free_buffer(struct volume_id *id);
 
 /* RAID */
 
-//int volume_id_probe_highpoint_37x_raid(struct volume_id *id /*,uint64_t off*/);
-//int volume_id_probe_highpoint_45x_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_intel_software_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_intel_software_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-int volume_id_probe_linux_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+int FAST_FUNC volume_id_probe_linux_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_lsi_mega_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_lsi_mega_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_nvidia_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_nvidia_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_promise_fasttrack_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_promise_fasttrack_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_silicon_medley_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_via_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
+//int FAST_FUNC volume_id_probe_via_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
 
-//int volume_id_probe_lvm1(struct volume_id *id /*,uint64_t off*/);
-//int volume_id_probe_lvm2(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_lvm1(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_lvm2(struct volume_id *id /*,uint64_t off*/);
 
 /* FS */
 
-int volume_id_probe_btrfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_btrfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_vfat(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_vfat(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_hfs_hfsplus(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_hfs_hfsplus(struct volume_id *id /*,uint64_t off*/);
 
-//int volume_id_probe_hpfs(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_hpfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_jfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_jfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_linux_swap(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_linux_swap(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_luks(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_luks(struct volume_id *id /*,uint64_t off*/);
 
-//int volume_id_probe_mac_partition_map(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_mac_partition_map(struct volume_id *id /*,uint64_t off*/);
 
-//int volume_id_probe_minix(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_minix(struct volume_id *id /*,uint64_t off*/);
 
-//int volume_id_probe_msdos_part_table(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_msdos_part_table(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_ntfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_ntfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_ocfs2(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_ocfs2(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_reiserfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_reiserfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_sysv(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_sysv(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_udf(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_udf(struct volume_id *id /*,uint64_t off*/);
 
-//int volume_id_probe_ufs(struct volume_id *id /*,uint64_t off*/);
+//int FAST_FUNC volume_id_probe_ufs(struct volume_id *id /*,uint64_t off*/);
 
-int volume_id_probe_xfs(struct volume_id *id /*,uint64_t off*/);
+int FAST_FUNC volume_id_probe_xfs(struct volume_id *id /*,uint64_t off*/);
 
 POP_SAVED_FUNCTION_VISIBILITY
diff --git a/util-linux/volume_id/xfs.c b/util-linux/volume_id/xfs.c
index 389074c35..1017d077b 100644
--- a/util-linux/volume_id/xfs.c
+++ b/util-linux/volume_id/xfs.c
@@ -35,7 +35,7 @@ struct xfs_super_block {
 	uint64_t	fdblocks;
 } PACKED;
 
-int volume_id_probe_xfs(struct volume_id *id /*,uint64_t off*/)
+int FAST_FUNC volume_id_probe_xfs(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
 	struct xfs_super_block *xs;