In the original file, the increasing and decreaing of the size of the rbd block shares the same option:
"rbd resize --size 2048 foo".
However, it is not proper, as the "--allow-shrink" needs to be added while decreasing the size of the rbd block.
As a result, it is necessary to make a distinguish between these two options as follows:
"rbd resize --size 2048 foo (to increase)"
"rbd resize --size 2048 foo --allow-shrink (to decrease)"
Signed-off-by: Yehua <chen.yehua@h3c.com>
Fix the typo in doc/rbd/rados-rbd-cmds.rst, also add explanation/example
when creating an image without specifying pool.
Signed-off-by: Frank Yu <flyxiaoyu@gmail.com>
