6495013 Loops and recursion in metaslab_ff_alloc can kill performance, even on a pool with lots of free data

[nore...@opensolaris.org]

Author: gw25295
Repository: /hg/onnv/onnv-gate
Latest revision: abf146257cf9ce8b08626941f6a71c4262490a4f
Total changesets: 1
Log message:
6495013 Loops and recursion in metaslab_ff_alloc can kill performance, even on 
a pool with lots of free data
6527607 zil allocation failures result in a leak

Files:
        update: usr/src/uts/common/fs/zfs/metaslab.c
        update: usr/src/uts/common/fs/zfs/zil.c