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base/SOURCES/2.25-libblkid-thinpool.patch

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diff -up util-linux-2.23.2/fdisks/fdisk.c.kzak util-linux-2.23.2/fdisks/fdisk.c
--- util-linux-2.23.2/fdisks/fdisk.c.kzak 2015-07-02 12:37:24.465906322 +0200
+++ util-linux-2.23.2/fdisks/fdisk.c 2015-07-02 12:37:57.870673753 +0200
@@ -34,6 +34,7 @@
#include "canonicalize.h"
#include "strutils.h"
#include "closestream.h"
+#include "sysfs.h"
#include "fdisksunlabel.h"
#include "fdisksgilabel.h"
diff -up util-linux-2.23.2/include/sysfs.h.kzak util-linux-2.23.2/include/sysfs.h
--- util-linux-2.23.2/include/sysfs.h.kzak 2015-07-02 12:12:50.408196320 +0200
+++ util-linux-2.23.2/include/sysfs.h 2015-07-02 12:13:09.708061372 +0200
@@ -74,6 +74,8 @@ extern int sysfs_devno_to_wholedisk(dev_
size_t len, dev_t *diskdevno);
extern int sysfs_devno_is_wholedisk(dev_t devno);
+extern int sysfs_devno_is_lvm_private(dev_t devno);
+
extern int sysfs_scsi_get_hctl(struct sysfs_cxt *cxt, int *h,
int *c, int *t, int *l);
extern char *sysfs_scsi_host_strdup_attribute(struct sysfs_cxt *cxt,
diff -up util-linux-2.23.2/libblkid/src/blkidP.h.kzak util-linux-2.23.2/libblkid/src/blkidP.h
--- util-linux-2.23.2/libblkid/src/blkidP.h.kzak 2015-07-02 12:18:27.349840375 +0200
+++ util-linux-2.23.2/libblkid/src/blkidP.h 2015-07-02 12:19:07.797557558 +0200
@@ -221,6 +221,7 @@ struct blkid_struct_probe
#define BLKID_FL_PRIVATE_FD (1 << 1) /* see blkid_new_probe_from_filename() */
#define BLKID_FL_TINY_DEV (1 << 2) /* <= 1.47MiB (floppy or so) */
#define BLKID_FL_CDROM_DEV (1 << 3) /* is a CD/DVD drive */
+#define BLKID_FL_NOSCAN_DEV (1 << 4) /* do not scan this device */
/* private per-probing flags */
#define BLKID_PROBE_FL_IGNORE_PT (1 << 1) /* ignore partition table */
diff -up util-linux-2.23.2/libblkid/src/partitions/partitions.c.kzak util-linux-2.23.2/libblkid/src/partitions/partitions.c
--- util-linux-2.23.2/libblkid/src/partitions/partitions.c.kzak 2015-07-02 12:19:11.669530485 +0200
+++ util-linux-2.23.2/libblkid/src/partitions/partitions.c 2015-07-02 12:28:24.166667964 +0200
@@ -537,6 +537,8 @@ static int idinfo_probe(blkid_probe pr,
if (pr->size <= 0 || (id->minsz && id->minsz > pr->size))
goto nothing; /* the device is too small */
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ goto nothing;
rc = blkid_probe_get_idmag(pr, id, &off, &mag);
if (rc != BLKID_PROBE_OK)
@@ -576,8 +578,12 @@ static int partitions_probe(blkid_probe
if (!pr || chn->idx < -1)
return -EINVAL;
+
blkid_probe_chain_reset_vals(pr, chn);
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ return BLKID_PROBE_NONE;
+
if (chn->binary)
partitions_init_data(chn);
@@ -653,6 +659,8 @@ int blkid_partitions_do_subprobe(blkid_p
if (!pr || !parent || !parent->size)
return -EINVAL;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ return BLKID_PROBE_NONE;
/* range defined by parent */
sz = ((blkid_loff_t) parent->size) << 9;
@@ -707,6 +715,9 @@ static int blkid_partitions_probe_partit
blkid_partition par;
dev_t devno;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ goto nothing;
+
devno = blkid_probe_get_devno(pr);
if (!devno)
goto nothing;
@@ -779,7 +790,7 @@ nothing:
int blkid_probe_is_covered_by_pt(blkid_probe pr,
blkid_loff_t offset, blkid_loff_t size)
{
- blkid_probe prc;
+ blkid_probe prc = NULL;
blkid_partlist ls = NULL;
blkid_loff_t start, end;
int nparts, i, rc = 0;
@@ -788,6 +799,9 @@ int blkid_probe_is_covered_by_pt(blkid_p
"=> checking if off=%jd size=%jd covered by PT",
offset, size));
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ goto done;
+
prc = blkid_clone_probe(pr);
if (!prc)
goto done;
diff -up util-linux-2.23.2/libblkid/src/probe.c.kzak util-linux-2.23.2/libblkid/src/probe.c
--- util-linux-2.23.2/libblkid/src/probe.c.kzak 2015-07-02 12:13:48.823787869 +0200
+++ util-linux-2.23.2/libblkid/src/probe.c 2015-07-02 12:38:20.110518915 +0200
@@ -110,6 +110,7 @@
#include "blkidP.h"
#include "all-io.h"
+#include "sysfs.h"
/* chains */
extern const struct blkid_chaindrv superblocks_drv;
@@ -714,8 +715,13 @@ int blkid_probe_set_device(blkid_probe p
if (pr->size <= 1440 * 1024 && !S_ISCHR(sb.st_mode))
pr->flags |= BLKID_FL_TINY_DEV;
+ if (S_ISBLK(sb.st_mode) && sysfs_devno_is_lvm_private(sb.st_rdev)) {
+ DBG(LOWPROBE, blkid_debug("ignore private LVM device"));
+ pr->flags |= BLKID_FL_NOSCAN_DEV;
+ }
+
#ifdef CDROM_GET_CAPABILITY
- if (S_ISBLK(sb.st_mode) &&
+ else if (S_ISBLK(sb.st_mode) &&
!blkid_probe_is_tiny(pr) &&
blkid_probe_is_wholedisk(pr) &&
ioctl(fd, CDROM_GET_CAPABILITY, NULL) >= 0)
@@ -892,6 +898,9 @@ int blkid_do_probe(blkid_probe pr)
if (!pr)
return -1;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ return 1;
+
do {
struct blkid_chain *chn = pr->cur_chain;
@@ -1143,6 +1152,8 @@ int blkid_do_safeprobe(blkid_probe pr)
if (!pr)
return -1;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ return 1;
blkid_probe_start(pr);
@@ -1197,6 +1208,8 @@ int blkid_do_fullprobe(blkid_probe pr)
if (!pr)
return -1;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ return 1;
blkid_probe_start(pr);
diff -up util-linux-2.23.2/libblkid/src/superblocks/superblocks.c.kzak util-linux-2.23.2/libblkid/src/superblocks/superblocks.c
--- util-linux-2.23.2/libblkid/src/superblocks/superblocks.c.kzak 2015-07-02 12:29:32.370193121 +0200
+++ util-linux-2.23.2/libblkid/src/superblocks/superblocks.c 2015-07-02 12:31:06.897535008 +0200
@@ -338,6 +338,9 @@ static int superblocks_probe(blkid_probe
if (!pr || chn->idx < -1)
return -EINVAL;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ goto nothing;
+
blkid_probe_chain_reset_vals(pr, chn);
DBG(LOWPROBE, blkid_debug("--> starting probing loop [SUBLKS idx=%d]",
@@ -453,6 +456,9 @@ static int superblocks_safeprobe(blkid_p
int intol = 0;
int rc;
+ if (pr->flags & BLKID_FL_NOSCAN_DEV)
+ return 1; /* nothing */
+
while ((rc = superblocks_probe(pr, chn)) == 0) {
if (blkid_probe_is_tiny(pr) && !count)
diff -up util-linux-2.23.2/libblkid/src/verify.c.kzak util-linux-2.23.2/libblkid/src/verify.c
--- util-linux-2.23.2/libblkid/src/verify.c.kzak 2015-07-02 12:15:51.782928121 +0200
+++ util-linux-2.23.2/libblkid/src/verify.c 2015-07-02 12:16:45.078555470 +0200
@@ -112,6 +112,10 @@ blkid_dev blkid_verify(blkid_cache cache
(unsigned long)diff));
#endif
+ if (sysfs_devno_is_lvm_private(st.st_rdev)) {
+ blkid_free_dev(dev);
+ return NULL;
+ }
if (!cache->probe) {
cache->probe = blkid_new_probe();
if (!cache->probe) {
diff -up util-linux-2.23.2/lib/sysfs.c.kzak util-linux-2.23.2/lib/sysfs.c
--- util-linux-2.23.2/lib/sysfs.c.kzak 2015-07-02 12:12:29.193344657 +0200
+++ util-linux-2.23.2/lib/sysfs.c 2015-07-02 12:12:13.565453930 +0200
@@ -639,6 +639,35 @@ err:
}
/*
+ * Returns 1 if the device is private LVM device.
+ */
+int sysfs_devno_is_lvm_private(dev_t devno)
+{
+ struct sysfs_cxt cxt = UL_SYSFSCXT_EMPTY;
+ char *uuid = NULL;
+ int rc = 0;
+
+ if (sysfs_init(&cxt, devno, NULL) != 0)
+ return 0;
+
+ uuid = sysfs_strdup(&cxt, "dm/uuid");
+
+ /* Private LVM devices use "LVM-<uuid>-<name>" uuid format (important
+ * is the "LVM" prefix and "-<name>" postfix).
+ */
+ if (uuid && strncmp(uuid, "LVM-", 4) == 0) {
+ char *p = strrchr(uuid + 4, '-');
+
+ if (p && *(p + 1))
+ rc = 1;
+ }
+
+ sysfs_deinit(&cxt);
+ free(uuid);
+ return rc;
+}
+
+/*
* Return 0 or 1, or < 0 in case of error
*/
int sysfs_devno_is_wholedisk(dev_t devno)
@@ -651,6 +680,9 @@ int sysfs_devno_is_wholedisk(dev_t devno
return devno == disk;
}
+
+
+
int sysfs_scsi_get_hctl(struct sysfs_cxt *cxt, int *h, int *c, int *t, int *l)
{
char buf[PATH_MAX], *hctl;