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ANDROID: dma-buf: Export is_dma_buf_file

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Export is_dma_buf_file function which will be used
by the minidump module to get dmabuf info.

Bug: 180978053
Change-Id: Ic8f7dd4f0a620839ab19f52841e9a6541515133c
Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>
This commit is contained in:
Vijayanand Jitta
2021-02-23 12:35:35 +05:30
committed by Suren Baghdasaryan
parent e909fe79d2
commit 9784fbe79d
2 changed files with 3 additions and 3 deletions
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5
drivers/dma-buf/dma-buf.c
View File

@@ -31,8 +31,6 @@
#include "dma-buf-sysfs-stats.h" #include "dma-buf-sysfs-stats.h"
static inline int is_dma_buf_file(struct file *);
struct dma_buf_list { struct dma_buf_list {
struct list_head head; struct list_head head;
struct mutex lock; struct mutex lock;
@@ -488,10 +486,11 @@ static const struct file_operations dma_buf_fops = {
/* /*
* is_dma_buf_file - Check if struct file* is associated with dma_buf * is_dma_buf_file - Check if struct file* is associated with dma_buf
*/ */
static inline int is_dma_buf_file(struct file *file) int is_dma_buf_file(struct file *file)
{ {
return file->f_op == &dma_buf_fops; return file->f_op == &dma_buf_fops;
} }
EXPORT_SYMBOL_GPL(is_dma_buf_file);
static struct file *dma_buf_getfile(struct dma_buf *dmabuf, int flags) static struct file *dma_buf_getfile(struct dma_buf *dmabuf, int flags)
{ {

1
include/linux/dma-buf.h
View File

@@ -588,6 +588,7 @@ dma_buf_attachment_is_dynamic(struct dma_buf_attachment *attach)
return !!attach->importer_ops; return !!attach->importer_ops;
} }
int is_dma_buf_file(struct file *file);
struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
struct device *dev); struct device *dev);
struct dma_buf_attachment * struct dma_buf_attachment *