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    SubjectRe: [RFC 0/5] Backing Store for sysfs (Overhauled)
    On Wed, Nov 12, 2003 at 09:57:40PM +0530, Dipankar Sarma wrote:
    > On Wed, Nov 12, 2003 at 08:00:15AM -0800, Greg KH wrote:
    > > On Wed, Nov 12, 2003 at 05:53:44PM +0530, Maneesh Soni wrote:
    > > >
    > > > The concept is still the same that in this prototype also we create dentry and
    > > > inode on the fly when they are first looked up. This is done for both leaf or
    > > > non-leaf dentries. The generic nature of sysfs_dirent makes it easy to do for
    > > > both leaf or non-leaf dentries.
    > >
    > > What happens once a dentry and inode is created? Is there any way for
    > > them to be forced out, or do they stay around in memory forever?
    > The idea atleast, is that if no one is using a dentry, it will
    > be put in the dentry lru list and eventually returned to the slab.
    > inodes too are returned alongwith. Just like how on-disk filesystems work.

    Do you all have any numbers backing this up?


    greg k-h
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