aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/pipe_fs_i.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/pipe_fs_i.h')
-rw-r--r--include/linux/pipe_fs_i.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index b43a9e039059..65f4282fcbaf 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -3,7 +3,7 @@
3 3
4#define PIPEFS_MAGIC 0x50495045 4#define PIPEFS_MAGIC 0x50495045
5 5
6#define PIPE_BUFFERS (16) 6#define PIPE_DEF_BUFFERS 16
7 7
8#define PIPE_BUF_FLAG_LRU 0x01 /* page is on the LRU */ 8#define PIPE_BUF_FLAG_LRU 0x01 /* page is on the LRU */
9#define PIPE_BUF_FLAG_ATOMIC 0x02 /* was atomically mapped */ 9#define PIPE_BUF_FLAG_ATOMIC 0x02 /* was atomically mapped */
@@ -44,17 +44,17 @@ struct pipe_buffer {
44 **/ 44 **/
45struct pipe_inode_info { 45struct pipe_inode_info {
46 wait_queue_head_t wait; 46 wait_queue_head_t wait;
47 unsigned int nrbufs, curbuf; 47 unsigned int nrbufs, curbuf, buffers;
48 struct page *tmp_page;
49 unsigned int readers; 48 unsigned int readers;
50 unsigned int writers; 49 unsigned int writers;
51 unsigned int waiting_writers; 50 unsigned int waiting_writers;
52 unsigned int r_counter; 51 unsigned int r_counter;
53 unsigned int w_counter; 52 unsigned int w_counter;
53 struct page *tmp_page;
54 struct fasync_struct *fasync_readers; 54 struct fasync_struct *fasync_readers;
55 struct fasync_struct *fasync_writers; 55 struct fasync_struct *fasync_writers;
56 struct inode *inode; 56 struct inode *inode;
57 struct pipe_buffer bufs[PIPE_BUFFERS]; 57 struct pipe_buffer *bufs;
58}; 58};
59 59
60/* 60/*
@@ -154,4 +154,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
154int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); 154int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
155void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *); 155void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
156 156
157/* for F_SETPIPE_SZ and F_GETPIPE_SZ */
158long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
159
157#endif 160#endif