diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-02-03 03:09:54 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-02 05:19:19 +0200 |
| commit | fbb32750a62df75d1ffea547f3908b21c5496d9f (patch) | |
| tree | 3e02ab4b6c6a77973ca10bcd6a54c57d17fc9f89 /include | |
| parent | fuse/dev: use atomic maps (diff) | |
| download | linux-fbb32750a62df75d1ffea547f3908b21c5496d9f.tar.xz linux-fbb32750a62df75d1ffea547f3908b21c5496d9f.zip | |
pipe: kill ->map() and ->unmap()
all pipe_buffer_operations have the same instances of those...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pipe_fs_i.h | 19 |
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 { int can_merge; /* - * ->map() returns a virtual address mapping of the pipe buffer. - * The last integer flag reflects whether this should be an atomic - * mapping or not. The atomic map is faster, however you can't take - * page faults before calling ->unmap() again. So if you need to eg - * access user data through copy_to/from_user(), then you must get - * a non-atomic map. ->map() uses the kmap_atomic slot for - * atomic maps, you have to be careful if mapping another page as - * source or destination for a copy. - */ - void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int); - - /* - * Undoes ->map(), finishes the virtual mapping of the pipe buffer. - */ - void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *); - - /* * ->confirm() verifies that the data in the pipe buffer is there * and that the contents are good. If the pages in the pipe belong * 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); void free_pipe_info(struct pipe_inode_info *); /* Generic pipe buffer ops functions */ -void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int); -void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *); void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); |