aboutsummaryrefslogtreecommitdiff
path: root/include/linux/pipe_fs_i.h
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@zytor.com>2009-05-23 16:42:19 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-05-23 16:42:19 -0700
commitee0736627d3347be0be2769fa7b26431f9726c9d (patch)
tree203e2204daaec4cf005463fdf2c7bf380d6eef36 /include/linux/pipe_fs_i.h
parentcf9972a921470b0a2da7906104bcd540b20e33bf (diff)
parent0af48f42df15b97080b450d24219dd95db7b929a (diff)
Merge branch 'x86/urgent' into x86/setup
Resolved conflicts: arch/x86/boot/memory.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/linux/pipe_fs_i.h')
-rw-r--r--include/linux/pipe_fs_i.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 8e4120285f7..c8f038554e8 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -134,6 +134,11 @@ struct pipe_buf_operations {
memory allocation, whereas PIPE_BUF makes atomicity guarantees. */
#define PIPE_SIZE PAGE_SIZE
+/* Pipe lock and unlock operations */
+void pipe_lock(struct pipe_inode_info *);
+void pipe_unlock(struct pipe_inode_info *);
+void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
+
/* Drop the inode semaphore and wait for a pipe event, atomically */
void pipe_wait(struct pipe_inode_info *pipe);