Adding linux-cifs
Will take a look today - looks promising
On Wed, May 1, 2019 at 3:55 PM Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
>
> This is a really really trivial first iteration, but I think it's enough to
> try out CIFS notification support. Doesn't deal with mark deletion, but
> that's best effort anyway: fsnotify() will filter out unneeded events.
>
> Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
> ---
> fs/notify/fanotify/fanotify_user.c | 6 +++++-
> fs/notify/inotify/inotify_user.c | 2 ++
> include/linux/fs.h | 1 +
> 3 files changed, 8 insertions(+), 1 deletion(-)
>
> --- a/fs/notify/fanotify/fanotify_user.c
> +++ b/fs/notify/fanotify/fanotify_user.c
> @@ -1041,9 +1041,13 @@ static int do_fanotify_mark(int fanotify
> else if (mark_type == FAN_MARK_FILESYSTEM)
> ret = fanotify_add_sb_mark(group, mnt->mnt_sb, mask,
> flags, fsid);
> - else
> + else {
> ret = fanotify_add_inode_mark(group, inode, mask,
> flags, fsid);
> +
> + if (!ret && inode->i_op->notify_update)
> + inode->i_op->notify_update(inode);
> + }
> break;
> case FAN_MARK_REMOVE:
> if (mark_type == FAN_MARK_MOUNT)
> --- a/fs/notify/inotify/inotify_user.c
> +++ b/fs/notify/inotify/inotify_user.c
> @@ -754,6 +754,8 @@ SYSCALL_DEFINE3(inotify_add_watch, int,
>
> /* create/update an inode mark */
> ret = inotify_update_watch(group, inode, mask);
> + if (!ret && inode->i_op->notify_update)
> + inode->i_op->notify_update(inode);
> path_put(&path);
> fput_and_out:
> fdput(f);
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -1852,6 +1852,7 @@ struct inode_operations {
> umode_t create_mode);
> int (*tmpfile) (struct inode *, struct dentry *, umode_t);
> int (*set_acl)(struct inode *, struct posix_acl *, int);
> + void (*notify_update)(struct inode *inode);
> } ____cacheline_aligned;
>
> static inline ssize_t call_read_iter(struct file *file, struct kiocb *kio,
--
Thanks,
Steve
