diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/fb_defio.c | 12 | ||||
| -rw-r--r-- | drivers/video/fbmem.c | 3 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index 65f4e6ee7f9..f963f5f59b7 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -47,6 +47,18 @@ static struct page* fb_deferred_io_nopage(struct vm_area_struct *vma, return page; } +int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, int datasync) +{ + struct fb_info *info = file->private_data; + + /* Kill off the delayed work */ + cancel_rearming_delayed_work(&info->deferred_work); + + /* Run it immediately */ + return schedule_delayed_work(&info->deferred_work, 0); +} +EXPORT_SYMBOL_GPL(fb_deferred_io_fsync); + /* vm_ops->page_mkwrite handler */ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, struct page *page) diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 28225265159..44cf0e4f52e 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1266,6 +1266,9 @@ static const struct file_operations fb_fops = { #ifdef HAVE_ARCH_FB_UNMAPPED_AREA .get_unmapped_area = get_fb_unmapped_area, #endif +#ifdef CONFIG_FB_DEFERRED_IO + .fsync = fb_deferred_io_fsync, +#endif }; struct class *fb_class; |