[PATCH 1/2] sysfs/kernfs: allow attributes to request write buffer be pre-allocated.

2014-10-12 Thread NeilBrown
md/raid allows metadata management to be performed in user-space. A various times, particularly on device failure, the metadata needs to be updated before further writes can be permitted. This means that the user-space program which updates metadata much not block on writeout, and so must not

[PATCH 1/2] sysfs/kernfs: allow attributes to request write buffer be pre-allocated.

2014-10-12 Thread NeilBrown
md/raid allows metadata management to be performed in user-space. A various times, particularly on device failure, the metadata needs to be updated before further writes can be permitted. This means that the user-space program which updates metadata much not block on writeout, and so must not

Re: [PATCH 1/2] sysfs/kernfs: allow attributes to request write buffer be pre-allocated.

2014-10-09 Thread Tejun Heo
On Thu, Oct 09, 2014 at 10:57:06AM +1100, NeilBrown wrote: > md/raid allows metadata management to be performed in user-space. > A various times, particularly on device failure, the metadata needs > to be updated before further writes can be permitted. > This means that the user-space program

Re: [PATCH 1/2] sysfs/kernfs: allow attributes to request write buffer be pre-allocated.

2014-10-09 Thread Tejun Heo
On Thu, Oct 09, 2014 at 10:57:06AM +1100, NeilBrown wrote: md/raid allows metadata management to be performed in user-space. A various times, particularly on device failure, the metadata needs to be updated before further writes can be permitted. This means that the user-space program which

[PATCH 1/2] sysfs/kernfs: allow attributes to request write buffer be pre-allocated.

2014-10-08 Thread NeilBrown
md/raid allows metadata management to be performed in user-space. A various times, particularly on device failure, the metadata needs to be updated before further writes can be permitted. This means that the user-space program which updates metadata much not block on writeout, and so must not

[PATCH 1/2] sysfs/kernfs: allow attributes to request write buffer be pre-allocated.

2014-10-08 Thread NeilBrown
md/raid allows metadata management to be performed in user-space. A various times, particularly on device failure, the metadata needs to be updated before further writes can be permitted. This means that the user-space program which updates metadata much not block on writeout, and so must not