On Wed, 02 Jan 2008 13:51:10 -0800 Dave Hansen <[EMAIL PROTECTED]> wrote:
>
> One of the benefits of the r/o bind mount patches is that they
> make it explicit when a write to a superblock might occur.
> We currently search sb->s_files when remounting rw->ro to look
> for writable files. But, th
On Wed, 2008-01-02 at 22:02 -0600, Serge E. Hallyn wrote:
> Ok I'm blabbing quite a bit here while trying to figure out
> the patch, and maybe there are some useful hints for where more
> comments would be useful. But other than the fact that
> mark_mnt_has_writer() needs to the atomic_inc() even
Quoting Dave Hansen ([EMAIL PROTECTED]):
>
> One of the benefits of the r/o bind mount patches is that they
> make it explicit when a write to a superblock might occur.
> We currently search sb->s_files when remounting rw->ro to look
> for writable files. But, that search is not comprehensive, an
One of the benefits of the r/o bind mount patches is that they
make it explicit when a write to a superblock might occur.
We currently search sb->s_files when remounting rw->ro to look
for writable files. But, that search is not comprehensive, and
it is racy. This replaces that search.
The idea
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