On 2016/09/03 16:23, Lampshade wrote:
> Sometimes I have crash (unrelated to this bug)
> during halt -p, so I decided to remount /home
> as sync just before I execute halt -p.
> During testing I have discovered unexpected
> behaviour of mount(8).
>
> Mount is printing that I have FFS filesystem
> mounted as asynchronous and synchronous
> at the same time.
async is NOT the opposite of sync.
sync metadata sync data sync
normal metadata sync data async
async metadata async data async
:-
async Metadata I/O to the file system should be done
asynchronously. By default, only regular data is
read/written asynchronously.
This is a dangerous flag to set
...
sync Regular data I/O to the file system should be done
synchronously. By default, only metadata is
read/written synchronously.
...
