Re: [PATCH 4/4] nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Ryusuke Konishi
On Mon, 3 Feb 2014 13:41:01 -0800, Andrew Morton wrote: > On Tue, 4 Feb 2014 01:50:44 +0900 Ryusuke Konishi > wrote: > >> With this ioctl the segment usage entries in the SUFILE can be >> updated from userspace. >> >> This is useful, because it allows the userspace GC to modify and update >>

Re: [PATCH 4/4] nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Andrew Morton
On Tue, 4 Feb 2014 01:50:44 +0900 Ryusuke Konishi wrote: > With this ioctl the segment usage entries in the SUFILE can be > updated from userspace. > > This is useful, because it allows the userspace GC to modify and update > segment usage entries for specific segments, which enables it to

[PATCH 4/4] nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Ryusuke Konishi
From: Andreas Rohner With this ioctl the segment usage entries in the SUFILE can be updated from userspace. This is useful, because it allows the userspace GC to modify and update segment usage entries for specific segments, which enables it to avoid unnecessary write operations. If a segment

[PATCH 4/4] nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Ryusuke Konishi
From: Andreas Rohner andreas.roh...@gmx.net With this ioctl the segment usage entries in the SUFILE can be updated from userspace. This is useful, because it allows the userspace GC to modify and update segment usage entries for specific segments, which enables it to avoid unnecessary write

Re: [PATCH 4/4] nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Andrew Morton
On Tue, 4 Feb 2014 01:50:44 +0900 Ryusuke Konishi konishi.ryus...@lab.ntt.co.jp wrote: With this ioctl the segment usage entries in the SUFILE can be updated from userspace. This is useful, because it allows the userspace GC to modify and update segment usage entries for specific

Re: [PATCH 4/4] nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Ryusuke Konishi
On Mon, 3 Feb 2014 13:41:01 -0800, Andrew Morton wrote: On Tue, 4 Feb 2014 01:50:44 +0900 Ryusuke Konishi konishi.ryus...@lab.ntt.co.jp wrote: With this ioctl the segment usage entries in the SUFILE can be updated from userspace. This is useful, because it allows the userspace GC to