Reserve some buffers for syncer daemon. This prevent deadlock in getblk and getnewbuf. One process can sleep at "getnewbuf" waiting for a free buffer and it may held buffer 'A' busy. Other processes can return buffers on free lists, but they sleep on "getblk" waiting for buffer 'A'.
Reserve some buffers for syncer daemon. This prevent deadlock in getblk
and getnewbuf. One process can sleep at "getnewbuf" waiting for a free
buffer and it may held buffer 'A' busy. Other processes can return buffers
on free lists, but they sleep on "getblk" waiting for buffer 'A'.

art@ ok.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars