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Merge "dma-buf: Cache the dma-buf inode number"

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This commit is contained in:
qctecmdr 2020-09-14 23:12:53 -07:00 • committed by Gerrit - the friendly Code Review server
commit b85f85965e
2 changed files with 5 additions and 3 deletions
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6
drivers/dma-buf/dma-buf.c
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@ -63,8 +63,7 @@ static int dma_buf_invoke_dtor(struct dma_buf *dmabuf)
ret = dmabuf->dtor(dmabuf, dmabuf->dtor_data);
if (ret < 0)
pr_warn_ratelimited("Leaking dmabuf ino: %ld because destructor failed error: %d\n",
file_inode(dmabuf->file)->i_ino,
ret);
to_msm_dma_buf(dmabuf)->i_ino, ret);
}
return ret;
@ -587,6 +586,7 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
ret = PTR_ERR(file);
goto err_dmabuf;
}
msm_dma_buf->i_ino = file_inode(file)->i_ino;
file->f_mode |= FMODE_LSEEK;
dmabuf->file = file;
@ -1288,7 +1288,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
buf_obj->file->f_flags, buf_obj->file->f_mode,
file_count(buf_obj->file),
buf_obj->exp_name,
file_inode(buf_obj->file)->i_ino,
to_msm_dma_buf(buf_obj)->i_ino,
buf_obj->name ?: "");
robj = buf_obj->resv;

2
include/linux/dma-buf.h
View file

@ -427,10 +427,12 @@ struct dma_buf {
* struct msm_dma_buf - Holds the meta data associated with a shared buffer
* object, as well as the buffer object.
* @refs: list entry for dma-buf reference tracking
* @i_ino: inode number
* @dma_buf: the shared buffer object
*/
struct msm_dma_buf {
struct list_head refs;
unsigned long i_ino;
struct dma_buf dma_buf;
};