[CRIU] [PATCH 3/7] files-reg: Allocate the complete ghost file structure in shared memory
Cyrill Gorcunov
gorcunov at openvz.org
Wed Dec 5 14:54:24 EST 2012
On Wed, Dec 05, 2012 at 11:47:49PM +0400, Pavel Emelyanov wrote:
> On 12/03/2012 07:27 PM, Cyrill Gorcunov wrote:
> > Inotify will need to have an ability to access path generated for
> > ghost files thus we need this item being shared.
> >
> > Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> > ---
> > files-reg.c | 7 ++-----
> > 1 file changed, 2 insertions(+), 5 deletions(-)
>
> Why do we need the path string in shared memory?
Because we might need access the path from another process.
Say task 1 opens file, then forks then task 2 hooks a watch
on it and then task 1 deletes it.
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