On 5/14/07, Hugh Dickins <hugh@xxxxxxxxxxx> wrote:
On Mon, 14 May 2007, Bharata B Rao wrote: > From: Jan Blunck <j.blunck@xxxxxxxxxxxxx> > Subject: tmpfs whiteout support > > Introduce whiteout support to tmpfs. > > Signed-off-by: Jan Blunck <j.blunck@xxxxxxxxxxxxx> > Signed-off-by: Bharata B Rao <bharata@xxxxxxxxxxxxxxxxxx> > --- > mm/shmem.c | 9 ++++++++- > 1 files changed, 8 insertions(+), 1 deletion(-) > > --- a/mm/shmem.c > +++ b/mm/shmem.c > @@ -74,7 +74,7 @@ > #define LATENCY_LIMIT 64 > > /* Pretend that each entry is of this size in directory's i_size */ > -#define BOGO_DIRENT_SIZE 20 > +#define BOGO_DIRENT_SIZE 1 Why would that change be needed for whiteout support?
Good question. It seems that this a survivor of the changes necessary for union readdir. This isn't necessary for white-outs. BTW: Why do we claim this to be 20??? Is there any meaning behind this? Cheers, Jan - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
