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-rw-r--r--include/linux/pipe_fs_i.h19
1 files changed, 0 insertions, 19 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ab5752692113..6dffcebe6105 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -83,23 +83,6 @@ struct pipe_buf_operations {
83 int can_merge; 83 int can_merge;
84 84
85 /* 85 /*
86 * ->map() returns a virtual address mapping of the pipe buffer.
87 * The last integer flag reflects whether this should be an atomic
88 * mapping or not. The atomic map is faster, however you can't take
89 * page faults before calling ->unmap() again. So if you need to eg
90 * access user data through copy_to/from_user(), then you must get
91 * a non-atomic map. ->map() uses the kmap_atomic slot for
92 * atomic maps, you have to be careful if mapping another page as
93 * source or destination for a copy.
94 */
95 void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int);
96
97 /*
98 * Undoes ->map(), finishes the virtual mapping of the pipe buffer.
99 */
100 void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *);
101
102 /*
103 * ->confirm() verifies that the data in the pipe buffer is there 86 * ->confirm() verifies that the data in the pipe buffer is there
104 * and that the contents are good. If the pages in the pipe belong 87 * and that the contents are good. If the pages in the pipe belong
105 * to a file system, we may need to wait for IO completion in this 88 * to a file system, we may need to wait for IO completion in this
@@ -150,8 +133,6 @@ struct pipe_inode_info *alloc_pipe_info(void);
150void free_pipe_info(struct pipe_inode_info *); 133void free_pipe_info(struct pipe_inode_info *);
151 134
152/* Generic pipe buffer ops functions */ 135/* Generic pipe buffer ops functions */
153void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int);
154void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *);
155void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *); 136void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
156int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *); 137int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
157int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); 138int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);