Fix select on /proc files without ->poll

[pandora-kernel.git] / fs / inotify_user.c

diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 017cb0f..9bf2f6c 100644 (file)
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -34,8 +34,8 @@
 
 #include <asm/ioctls.h>
 
-static kmem_cache_t *watch_cachep __read_mostly;
-static kmem_cache_t *event_cachep __read_mostly;
+static struct kmem_cache *watch_cachep __read_mostly;
+static struct kmem_cache *event_cachep __read_mostly;
 
 static struct vfsmount *inotify_mnt __read_mostly;
 
@@ -455,8 +455,16 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
                        break;
 
                kevent = inotify_dev_get_event(dev);
-               if (event_size + kevent->event.len > count)
+               if (event_size + kevent->event.len > count) {
+                       if (ret == 0 && count > 0) {
+                               /*
+                                * could not get a single event because we
+                                * didn't have enough buffer space.
+                                */
+                               ret = -EINVAL;
+                       }
                        break;
+               }
 
                if (copy_to_user(buf, &kevent->event, event_size)) {
                        ret = -EFAULT;
@@ -570,9 +578,9 @@ asmlinkage long sys_inotify_init(void)
        dev->ih = ih;
 
        filp->f_op = &inotify_fops;
-       filp->f_vfsmnt = mntget(inotify_mnt);
-       filp->f_dentry = dget(inotify_mnt->mnt_root);
-       filp->f_mapping = filp->f_dentry->d_inode->i_mapping;
+       filp->f_path.mnt = mntget(inotify_mnt);
+       filp->f_path.dentry = dget(inotify_mnt->mnt_root);
+       filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping;
        filp->f_mode = FMODE_READ;
        filp->f_flags = O_RDONLY;
        filp->private_data = dev;
@@ -708,10 +716,10 @@ static int __init inotify_user_setup(void)
 
        watch_cachep = kmem_cache_create("inotify_watch_cache",
                                         sizeof(struct inotify_user_watch),
-                                        0, SLAB_PANIC, NULL, NULL);
+                                        0, SLAB_PANIC, NULL);
        event_cachep = kmem_cache_create("inotify_event_cache",
                                         sizeof(struct inotify_kernel_event),
-                                        0, SLAB_PANIC, NULL, NULL);
+                                        0, SLAB_PANIC, NULL);
 
        return 0;
 }