Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-14 Thread Hugo Mills
On Tue, Jun 14, 2016 at 03:44:47PM -0400, Andrew Armenia wrote: > On Sun, Jun 12, 2016 at 10:06 PM, Anand Jain wrote: > > > > > > On 06/03/2016 09:50 AM, Andrew Armenia wrote: > >> > >> This patch adds mount option 'chunk_width_limit=X', which when set forces > >> the chunk allocator to use only u

Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-14 Thread Andrew Armenia
On Sun, Jun 12, 2016 at 10:06 PM, Anand Jain wrote: > > > On 06/03/2016 09:50 AM, Andrew Armenia wrote: >> >> This patch adds mount option 'chunk_width_limit=X', which when set forces >> the chunk allocator to use only up to X devices when allocating a chunk. >> This may help reduce the seek penal

Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-12 Thread Anand Jain
On 06/03/2016 09:50 AM, Andrew Armenia wrote: This patch adds mount option 'chunk_width_limit=X', which when set forces the chunk allocator to use only up to X devices when allocating a chunk. This may help reduce the seek penalties seen in filesystems with large numbers of devices. Have you

Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-09 Thread Andrew Armenia
On Mon, Jun 6, 2016 at 11:00 AM, Hugo Mills wrote: > On Mon, Jun 06, 2016 at 09:43:19AM -0400, Andrew Armenia wrote: >> On Mon, Jun 6, 2016 at 5:17 AM, David Sterba wrote: >> > On Thu, Jun 02, 2016 at 09:50:15PM -0400, Andrew Armenia wrote: >> >> This patch adds mount option 'chunk_width_limit=X'

Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-06 Thread Hugo Mills
On Mon, Jun 06, 2016 at 09:43:19AM -0400, Andrew Armenia wrote: > On Mon, Jun 6, 2016 at 5:17 AM, David Sterba wrote: > > On Thu, Jun 02, 2016 at 09:50:15PM -0400, Andrew Armenia wrote: > >> This patch adds mount option 'chunk_width_limit=X', which when set forces > >> the chunk allocator to use o

Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-06 Thread Andrew Armenia
On Mon, Jun 6, 2016 at 5:17 AM, David Sterba wrote: > On Thu, Jun 02, 2016 at 09:50:15PM -0400, Andrew Armenia wrote: >> This patch adds mount option 'chunk_width_limit=X', which when set forces >> the chunk allocator to use only up to X devices when allocating a chunk. >> This may help reduce the

Re: [PATCH] btrfs: chunk_width_limit mount option

2016-06-06 Thread David Sterba
On Thu, Jun 02, 2016 at 09:50:15PM -0400, Andrew Armenia wrote: > This patch adds mount option 'chunk_width_limit=X', which when set forces > the chunk allocator to use only up to X devices when allocating a chunk. > This may help reduce the seek penalties seen in filesystems with large > numbers o

[PATCH] btrfs: chunk_width_limit mount option

2016-06-02 Thread Andrew Armenia
This patch adds mount option 'chunk_width_limit=X', which when set forces the chunk allocator to use only up to X devices when allocating a chunk. This may help reduce the seek penalties seen in filesystems with large numbers of devices. Signed-off-by: Andrew Armenia --- fs/btrfs/ctree.h | 3