Re: Btrfs, snapshots and atime problems

2012-05-25 Thread cwillu
On Fri, May 25, 2012 at 9:25 AM, Alexander Block wrote: > On Fri, May 25, 2012 at 5:15 PM, Alexander Block > wrote: >> Hello, >> >> I would like to start a discussion on atime in Btrfs (and possibly >> other filesystems with snapshot support). >> >> As atime is updated on every access of a file o

Re: Btrfs, snapshots and atime problems

2012-05-25 Thread Alexander Block
On Fri, May 25, 2012 at 5:15 PM, Alexander Block wrote: > Hello, > > I would like to start a discussion on atime in Btrfs (and possibly > other filesystems with snapshot support). > > As atime is updated on every access of a file or directory, we get > many changes to the trees in btrfs that as al

Btrfs, snapshots and atime problems

2012-05-25 Thread Alexander Block
Hello, I would like to start a discussion on atime in Btrfs (and possibly other filesystems with snapshot support). As atime is updated on every access of a file or directory, we get many changes to the trees in btrfs that as always trigger cow operations. This is no problem as long as the change