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authorLinus Torvalds2013-02-28 19:43:13 -0800
committerLinus Torvalds2013-02-28 19:43:13 -0800
commit5e04f4b4290e03deb91b074087ae8d7c169d947d (patch)
tree07802848a6afce236de7c3185be06db8567b38f0 /include
parentb6669737d3db7df79fad07180837c23dbe581db5 (diff)
parent495c10cc1c0c359871d5bef32dd173252fc17995 (diff)
Merge tag 'tag-for-linus-3.9' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf
Pull dma-buf framework updates from Sumit Semwal: "Refcounting implemented for vmap in core dma-buf" * tag 'tag-for-linus-3.9' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf: CHROMIUM: dma-buf: restore args on failure of dma_buf_mmap dma-buf: implement vmap refcounting in the interface logic
Diffstat (limited to 'include')
-rw-r--r--include/linux/dma-buf.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 3d754a394e92..9978b614a1aa 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -119,8 +119,10 @@ struct dma_buf {
struct file *file;
struct list_head attachments;
const struct dma_buf_ops *ops;
- /* mutex to serialize list manipulation and attach/detach */
+ /* mutex to serialize list manipulation, attach/detach and vmap/unmap */
struct mutex lock;
+ unsigned vmapping_counter;
+ void *vmap_ptr;
void *priv;
};