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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-21 19:01:38 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 22:13:01 +0400
commit6447a3cf19da8c4653283d1c491e2e775633f348 (patch)
tree9fda0088125df81c816b5cce416e5d010c9de498 /fs/pipe.c
parentebec73f4752b777b79b384bd52e5240203cb9b00 (diff)
downloadlinux-6447a3cf19da8c4653283d1c491e2e775633f348.tar.xz
get rid of pipe->inode
it's used only as a flag to distinguish normal pipes/FIFOs from the internal per-task one used by file-to-file splice. And pipe->files would work just as well for that purpose... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/pipe.c')
-rw-r--r--fs/pipe.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index e2fc5ccb0d49..39bdec06fe2b 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -55,7 +55,7 @@ unsigned int pipe_min_size = PAGE_SIZE;
static void pipe_lock_nested(struct pipe_inode_info *pipe, int subclass)
{
- if (pipe->inode)
+ if (pipe->files)
mutex_lock_nested(&pipe->mutex, subclass);
}
@@ -70,7 +70,7 @@ EXPORT_SYMBOL(pipe_lock);
void pipe_unlock(struct pipe_inode_info *pipe)
{
- if (pipe->inode)
+ if (pipe->files)
mutex_unlock(&pipe->mutex);
}
EXPORT_SYMBOL(pipe_unlock);
@@ -785,7 +785,6 @@ struct pipe_inode_info * alloc_pipe_info(struct inode *inode)
if (pipe->bufs) {
init_waitqueue_head(&pipe->wait);
pipe->r_counter = pipe->w_counter = 1;
- pipe->inode = inode;
pipe->buffers = PIPE_DEF_BUFFERS;
mutex_init(&pipe->mutex);
return pipe;