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blkid: Warn when rejecting a superblock with a bad csum 

Bump libblkid requirement from 2.20 to 2.24.
util-linux 2.25 is actually required since fdbbad981c
This commit is contained in:
Gabriel de Perthuis 2014-12-13 01:56:56 +01:00 committed by Zbigniew Jędrzejewski-Szmek
parent 9b6e0ce5ac
commit d47f6ca5f9
3 changed files with 14 additions and 3 deletions
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2
README
View File

@ -111,7 +111,7 @@ REQUIREMENTS:
libcap
libmount >= 2.20 (from util-linux)
libseccomp >= 1.0.0 (optional)
libblkid >= 2.20 (from util-linux) (optional)
libblkid >= 2.24 (from util-linux) (optional)
libkmod >= 15 (optional)
PAM >= 1.1.2 (optional)
libcryptsetup (optional)

2
configure.ac
View File

@ -432,7 +432,7 @@ AM_CONDITIONAL(HAVE_XKBCOMMON, [test "$have_xkbcommon" = "yes"])
have_blkid=no
AC_ARG_ENABLE(blkid, AS_HELP_STRING([--disable-blkid], [disable blkid support]))
if test "x$enable_blkid" != "xno"; then
PKG_CHECK_MODULES(BLKID, [ blkid >= 2.20 ],
PKG_CHECK_MODULES(BLKID, [ blkid >= 2.24 ],
[AC_DEFINE(HAVE_BLKID, 1, [Define if blkid is available]) have_blkid=yes], have_blkid=no)
if test "x$have_blkid" = xno -a "x$enable_blkid" = xyes; then
AC_MSG_ERROR([*** blkid support requested but libraries not found])

13
src/udev/udev-builtin-blkid.c
View File

@ -221,6 +221,7 @@ static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool t
blkid_probe pr;
const char *data;
const char *name;
const char *prtype = NULL;
int nvals;
int i;
int err = 0;
@ -256,7 +257,8 @@ static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool t
blkid_probe_set_superblocks_flags(pr,
BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);
BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION |
BLKID_SUBLKS_BADCSUM);
if (noraid)
blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID);
@ -278,6 +280,15 @@ static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool t
err = probe_superblocks(pr);
if (err < 0)
goto out;
if (blkid_probe_has_value(pr, "SBBADCSUM")) {
if (!blkid_probe_lookup_value(pr, "TYPE", &prtype, NULL))
log_warning("incorrect %s checksum on %s",
prtype, udev_device_get_devnode(dev));
else
log_warning("incorrect checksum on %s",
udev_device_get_devnode(dev));
goto out;
}
/* If we are a partition then our parent passed on the root
* partition UUID to us */