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In some cases the slave devices of a virtual block device are tracked by the parent in the corresponding sysfs node. For instance, if we have a loop-back mount of the form: /dev/loop3p1 on /home/mdroth/mnt type ext4 (rw,relatime,data=ordered) this will be reflected in sysfs as: /sys/devices/virtual/block/loop3/ ... /sys/devices/virtual/block/loop3/slaves /sys/devices/virtual/block/loop3/loop3p1 The current code however assumes the mounted virtual block device, loop3p1 in this case, contains the slaves directory, and reports an error otherwise. This breaks 'make check' in certain environments. Fix this by simply skipping attempts to generate disk topology information in these cases. Since this information is documented in QAPI as optionally-reported, this should be ok from an API perspective. In the future, this can possibly be improved upon by collecting topology information from the parent in these cases. Reported-by: Peter Maydell <peter.maydell@linaro.org> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Tested-by: Peter Maydell <peter.maydell@linaro.org> |
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| .. | ||
| installer | ||
| vss-win32 | ||
| channel-posix.c | ||
| channel-win32.c | ||
| channel.h | ||
| commands-posix.c | ||
| commands-win32.c | ||
| commands.c | ||
| guest-agent-command-state.c | ||
| guest-agent-core.h | ||
| main.c | ||
| Makefile.objs | ||
| qapi-schema.json | ||
| service-win32.c | ||
| service-win32.h | ||
| vss-win32.c | ||
| vss-win32.h | ||