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-rw-r--r--fs/fifo.c12
-rw-r--r--fs/pipe.c51
-rw-r--r--fs/splice.c122
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c8
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.h4
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h4
-rw-r--r--include/linux/fs.h8
-rw-r--r--include/linux/pipe_fs_i.h7
9 files changed, 114 insertions, 106 deletions
diff --git a/fs/fifo.c b/fs/fifo.c
index 889f722ee36d..b16e2f597d61 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -15,12 +15,13 @@
 #include <linux/fs.h>
 #include <linux/pipe_fs_i.h>
 
-static void wait_for_partner(struct inode* inode, unsigned int* cnt)
+static void wait_for_partner(struct inode* inode, unsigned int *cnt)
 {
 	int cur = *cnt;	
-	while(cur == *cnt) {
-		pipe_wait(inode);
-		if(signal_pending(current))
+
+	while (cur == *cnt) {
+		pipe_wait(inode->i_pipe);
+		if (signal_pending(current))
 			break;
 	}
 }
@@ -37,7 +38,8 @@ static int fifo_open(struct inode *inode, struct file *filp)
 	mutex_lock(PIPE_MUTEX(*inode));
 	if (!inode->i_pipe) {
 		ret = -ENOMEM;
-		if(!pipe_new(inode))
+		inode->i_pipe = alloc_pipe_info(inode);
+		if (!inode->i_pipe)
 			goto err_nocleanup;
 	}
 	filp->f_version = 0;
diff --git a/fs/pipe.c b/fs/pipe.c
index 795df987cd38..705b48692627 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -36,7 +36,7 @@
  */
 
 /* Drop the inode semaphore and wait for a pipe event, atomically */
-void pipe_wait(struct inode * inode)
+void pipe_wait(struct pipe_inode_info *pipe)
 {
 	DEFINE_WAIT(wait);
 
@@ -44,11 +44,13 @@ void pipe_wait(struct inode * inode)
 	 * Pipes are system-local resources, so sleeping on them
 	 * is considered a noninteractive wait:
 	 */
-	prepare_to_wait(PIPE_WAIT(*inode), &wait, TASK_INTERRUPTIBLE|TASK_NONINTERACTIVE);
-	mutex_unlock(PIPE_MUTEX(*inode));
+	prepare_to_wait(&pipe->wait, &wait, TASK_INTERRUPTIBLE|TASK_NONINTERACTIVE);
+	if (pipe->inode)
+		mutex_unlock(&pipe->inode->i_mutex);
 	schedule();
-	finish_wait(PIPE_WAIT(*inode), &wait);
-	mutex_lock(PIPE_MUTEX(*inode));
+	finish_wait(&pipe->wait, &wait);
+	if (pipe->inode)
+		mutex_lock(&pipe->inode->i_mutex);
 }
 
 static int
@@ -223,7 +225,7 @@ pipe_readv(struct file *filp, const struct iovec *_iov,
 			wake_up_interruptible_sync(PIPE_WAIT(*inode));
  			kill_fasync(PIPE_FASYNC_WRITERS(*inode), SIGIO, POLL_OUT);
 		}
-		pipe_wait(inode);
+		pipe_wait(inode->i_pipe);
 	}
 	mutex_unlock(PIPE_MUTEX(*inode));
 	/* Signal writers asynchronously that there is more room.  */
@@ -370,7 +372,7 @@ pipe_writev(struct file *filp, const struct iovec *_iov,
 			do_wakeup = 0;
 		}
 		PIPE_WAITING_WRITERS(*inode)++;
-		pipe_wait(inode);
+		pipe_wait(inode->i_pipe);
 		PIPE_WAITING_WRITERS(*inode)--;
 	}
 out:
@@ -675,6 +677,20 @@ static struct file_operations rdwr_pipe_fops = {
 	.fasync		= pipe_rdwr_fasync,
 };
 
+struct pipe_inode_info * alloc_pipe_info(struct inode *inode)
+{
+	struct pipe_inode_info *info;
+
+	info = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL);
+	if (info) {
+		init_waitqueue_head(&info->wait);
+		info->r_counter = info->w_counter = 1;
+		info->inode = inode;
+	}
+
+	return info;
+}
+
 void free_pipe_info(struct inode *inode)
 {
 	int i;
@@ -691,23 +707,6 @@ void free_pipe_info(struct inode *inode)
 	kfree(info);
 }
 
-struct inode* pipe_new(struct inode* inode)
-{
-	struct pipe_inode_info *info;
-
-	info = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL);
-	if (!info)
-		goto fail_page;
-	inode->i_pipe = info;
-
-	init_waitqueue_head(PIPE_WAIT(*inode));
-	PIPE_RCOUNTER(*inode) = PIPE_WCOUNTER(*inode) = 1;
-
-	return inode;
-fail_page:
-	return NULL;
-}
-
 static struct vfsmount *pipe_mnt __read_mostly;
 static int pipefs_delete_dentry(struct dentry *dentry)
 {
@@ -724,8 +723,10 @@ static struct inode * get_pipe_inode(void)
 	if (!inode)
 		goto fail_inode;
 
-	if(!pipe_new(inode))
+	inode->i_pipe = alloc_pipe_info(inode);
+	if (!inode->i_pipe)
 		goto fail_iput;
+
 	PIPE_READERS(*inode) = PIPE_WRITERS(*inode) = 1;
 	inode->i_fop = &rdwr_pipe_fops;
 
diff --git a/fs/splice.c b/fs/splice.c
index 9bfd6af0cf45..ed91a62402e0 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -136,34 +136,33 @@ static struct pipe_buf_operations page_cache_pipe_buf_ops = {
  * Pipe output worker. This sets up our pipe format with the page cache
  * pipe buffer operations. Otherwise very similar to the regular pipe_writev().
  */
-static ssize_t move_to_pipe(struct inode *inode, struct page **pages,
+static ssize_t move_to_pipe(struct pipe_inode_info *pipe, struct page **pages,
 			    int nr_pages, unsigned long offset,
 			    unsigned long len, unsigned int flags)
 {
-	struct pipe_inode_info *info;
 	int ret, do_wakeup, i;
 
 	ret = 0;
 	do_wakeup = 0;
 	i = 0;
 
-	mutex_lock(PIPE_MUTEX(*inode));
+	if (pipe->inode)
+		mutex_lock(&pipe->inode->i_mutex);
 
-	info = inode->i_pipe;
 	for (;;) {
 		int bufs;
 
-		if (!PIPE_READERS(*inode)) {
+		if (!pipe->readers) {
 			send_sig(SIGPIPE, current, 0);
 			if (!ret)
 				ret = -EPIPE;
 			break;
 		}
 
-		bufs = info->nrbufs;
+		bufs = pipe->nrbufs;
 		if (bufs < PIPE_BUFFERS) {
-			int newbuf = (info->curbuf + bufs) & (PIPE_BUFFERS - 1);
-			struct pipe_buffer *buf = info->bufs + newbuf;
+			int newbuf = (pipe->curbuf + bufs) & (PIPE_BUFFERS - 1);
+			struct pipe_buffer *buf = pipe->bufs + newbuf;
 			struct page *page = pages[i++];
 			unsigned long this_len;
 
@@ -175,7 +174,7 @@ static ssize_t move_to_pipe(struct inode *inode, struct page **pages,
 			buf->offset = offset;
 			buf->len = this_len;
 			buf->ops = &page_cache_pipe_buf_ops;
-			info->nrbufs = ++bufs;
+			pipe->nrbufs = ++bufs;
 			do_wakeup = 1;
 
 			ret += this_len;
@@ -205,25 +204,25 @@ static ssize_t move_to_pipe(struct inode *inode, struct page **pages,
 
 		if (do_wakeup) {
 			smp_mb();
-			if (waitqueue_active(PIPE_WAIT(*inode)))
-				wake_up_interruptible_sync(PIPE_WAIT(*inode));
-			kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO,
-				    POLL_IN);
+			if (waitqueue_active(&pipe->wait))
+				wake_up_interruptible_sync(&pipe->wait);
+			kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
 			do_wakeup = 0;
 		}
 
-		PIPE_WAITING_WRITERS(*inode)++;
-		pipe_wait(inode);
-		PIPE_WAITING_WRITERS(*inode)--;
+		pipe->waiting_writers++;
+		pipe_wait(pipe);
+		pipe->waiting_writers--;
 	}
 
-	mutex_unlock(PIPE_MUTEX(*inode));
+	if (pipe->inode)
+		mutex_unlock(&pipe->inode->i_mutex);
 
 	if (do_wakeup) {
 		smp_mb();
-		if (waitqueue_active(PIPE_WAIT(*inode)))
-			wake_up_interruptible(PIPE_WAIT(*inode));
-		kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO, POLL_IN);
+		if (waitqueue_active(&pipe->wait))
+			wake_up_interruptible(&pipe->wait);
+		kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
 	}
 
 	while (i < nr_pages)
@@ -232,8 +231,9 @@ static ssize_t move_to_pipe(struct inode *inode, struct page **pages,
 	return ret;
 }
 
-static int __generic_file_splice_read(struct file *in, struct inode *pipe,
-				      size_t len, unsigned int flags)
+static int
+__generic_file_splice_read(struct file *in, struct pipe_inode_info *pipe,
+			   size_t len, unsigned int flags)
 {
 	struct address_space *mapping = in->f_mapping;
 	unsigned int offset, nr_pages;
@@ -298,7 +298,7 @@ static int __generic_file_splice_read(struct file *in, struct inode *pipe,
  * Will read pages from given file and fill them into a pipe.
  *
  */
-ssize_t generic_file_splice_read(struct file *in, struct inode *pipe,
+ssize_t generic_file_splice_read(struct file *in, struct pipe_inode_info *pipe,
 				 size_t len, unsigned int flags)
 {
 	ssize_t spliced;
@@ -306,6 +306,7 @@ ssize_t generic_file_splice_read(struct file *in, struct inode *pipe,
 
 	ret = 0;
 	spliced = 0;
+
 	while (len) {
 		ret = __generic_file_splice_read(in, pipe, len, flags);
 
@@ -509,11 +510,10 @@ typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *,
  * key here is the 'actor' worker passed in that actually moves the data
  * to the wanted destination. See pipe_to_file/pipe_to_sendpage above.
  */
-static ssize_t move_from_pipe(struct inode *inode, struct file *out,
+static ssize_t move_from_pipe(struct pipe_inode_info *pipe, struct file *out,
 			      size_t len, unsigned int flags,
 			      splice_actor *actor)
 {
-	struct pipe_inode_info *info;
 	int ret, do_wakeup, err;
 	struct splice_desc sd;
 
@@ -525,22 +525,22 @@ static ssize_t move_from_pipe(struct inode *inode, struct file *out,
 	sd.file = out;
 	sd.pos = out->f_pos;
 
-	mutex_lock(PIPE_MUTEX(*inode));
+	if (pipe->inode)
+		mutex_lock(&pipe->inode->i_mutex);
 
-	info = inode->i_pipe;
 	for (;;) {
-		int bufs = info->nrbufs;
+		int bufs = pipe->nrbufs;
 
 		if (bufs) {
-			int curbuf = info->curbuf;
-			struct pipe_buffer *buf = info->bufs + curbuf;
+			int curbuf = pipe->curbuf;
+			struct pipe_buffer *buf = pipe->bufs + curbuf;
 			struct pipe_buf_operations *ops = buf->ops;
 
 			sd.len = buf->len;
 			if (sd.len > sd.total_len)
 				sd.len = sd.total_len;
 
-			err = actor(info, buf, &sd);
+			err = actor(pipe, buf, &sd);
 			if (err) {
 				if (!ret && err != -ENODATA)
 					ret = err;
@@ -553,10 +553,10 @@ static ssize_t move_from_pipe(struct inode *inode, struct file *out,
 			buf->len -= sd.len;
 			if (!buf->len) {
 				buf->ops = NULL;
-				ops->release(info, buf);
+				ops->release(pipe, buf);
 				curbuf = (curbuf + 1) & (PIPE_BUFFERS - 1);
-				info->curbuf = curbuf;
-				info->nrbufs = --bufs;
+				pipe->curbuf = curbuf;
+				pipe->nrbufs = --bufs;
 				do_wakeup = 1;
 			}
 
@@ -568,9 +568,9 @@ static ssize_t move_from_pipe(struct inode *inode, struct file *out,
 
 		if (bufs)
 			continue;
-		if (!PIPE_WRITERS(*inode))
+		if (!pipe->writers)
 			break;
-		if (!PIPE_WAITING_WRITERS(*inode)) {
+		if (!pipe->waiting_writers) {
 			if (ret)
 				break;
 		}
@@ -589,22 +589,23 @@ static ssize_t move_from_pipe(struct inode *inode, struct file *out,
 
 		if (do_wakeup) {
 			smp_mb();
-			if (waitqueue_active(PIPE_WAIT(*inode)))
-				wake_up_interruptible_sync(PIPE_WAIT(*inode));
-			kill_fasync(PIPE_FASYNC_WRITERS(*inode),SIGIO,POLL_OUT);
+			if (waitqueue_active(&pipe->wait))
+				wake_up_interruptible_sync(&pipe->wait);
+			kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
 			do_wakeup = 0;
 		}
 
-		pipe_wait(inode);
+		pipe_wait(pipe);
 	}
 
-	mutex_unlock(PIPE_MUTEX(*inode));
+	if (pipe->inode)
+		mutex_unlock(&pipe->inode->i_mutex);
 
 	if (do_wakeup) {
 		smp_mb();
-		if (waitqueue_active(PIPE_WAIT(*inode)))
-			wake_up_interruptible(PIPE_WAIT(*inode));
-		kill_fasync(PIPE_FASYNC_WRITERS(*inode), SIGIO, POLL_OUT);
+		if (waitqueue_active(&pipe->wait))
+			wake_up_interruptible(&pipe->wait);
+		kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
 	}
 
 	mutex_lock(&out->f_mapping->host->i_mutex);
@@ -616,7 +617,7 @@ static ssize_t move_from_pipe(struct inode *inode, struct file *out,
 
 /**
  * generic_file_splice_write - splice data from a pipe to a file
- * @inode:	pipe inode
+ * @pipe:	pipe info
  * @out:	file to write to
  * @len:	number of bytes to splice
  * @flags:	splice modifier flags
@@ -625,11 +626,14 @@ static ssize_t move_from_pipe(struct inode *inode, struct file *out,
  * the given pipe inode to the given file.
  *
  */
-ssize_t generic_file_splice_write(struct inode *inode, struct file *out,
-				  size_t len, unsigned int flags)
+ssize_t
+generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
+			  size_t len, unsigned int flags)
 {
 	struct address_space *mapping = out->f_mapping;
-	ssize_t ret = move_from_pipe(inode, out, len, flags, pipe_to_file);
+	ssize_t ret;
+
+	ret = move_from_pipe(pipe, out, len, flags, pipe_to_file);
 
 	/*
 	 * if file or inode is SYNC and we actually wrote some data, sync it
@@ -664,10 +668,10 @@ EXPORT_SYMBOL(generic_file_splice_write);
  * is involved.
  *
  */
-ssize_t generic_splice_sendpage(struct inode *inode, struct file *out,
+ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe, struct file *out,
 				size_t len, unsigned int flags)
 {
-	return move_from_pipe(inode, out, len, flags, pipe_to_sendpage);
+	return move_from_pipe(pipe, out, len, flags, pipe_to_sendpage);
 }
 
 EXPORT_SYMBOL(generic_splice_sendpage);
@@ -675,8 +679,8 @@ EXPORT_SYMBOL(generic_splice_sendpage);
 /*
  * Attempt to initiate a splice from pipe to file.
  */
-static long do_splice_from(struct inode *pipe, struct file *out, size_t len,
-			   unsigned int flags)
+static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+			   size_t len, unsigned int flags)
 {
 	loff_t pos;
 	int ret;
@@ -698,8 +702,8 @@ static long do_splice_from(struct inode *pipe, struct file *out, size_t len,
 /*
  * Attempt to initiate a splice from a file to a pipe.
  */
-static long do_splice_to(struct file *in, struct inode *pipe, size_t len,
-			 unsigned int flags)
+static long do_splice_to(struct file *in, struct pipe_inode_info *pipe,
+			 size_t len, unsigned int flags)
 {
 	loff_t pos, isize, left;
 	int ret;
@@ -732,14 +736,14 @@ static long do_splice_to(struct file *in, struct inode *pipe, size_t len,
 static long do_splice(struct file *in, struct file *out, size_t len,
 		      unsigned int flags)
 {
-	struct inode *pipe;
+	struct pipe_inode_info *pipe;
 
-	pipe = in->f_dentry->d_inode;
-	if (pipe->i_pipe)
+	pipe = in->f_dentry->d_inode->i_pipe;
+	if (pipe)
 		return do_splice_from(pipe, out, len, flags);
 
-	pipe = out->f_dentry->d_inode;
-	if (pipe->i_pipe)
+	pipe = out->f_dentry->d_inode->i_pipe;
+	if (pipe)
 		return do_splice_to(in, pipe, len, flags);
 
 	return -EINVAL;
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index ae4c4754ed31..269721af02f3 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -252,7 +252,7 @@ xfs_file_sendfile_invis(
 STATIC ssize_t
 xfs_file_splice_read(
 	struct file		*infilp,
-	struct inode		*pipe,
+	struct pipe_inode_info	*pipe,
 	size_t			len,
 	unsigned int		flags)
 {
@@ -266,7 +266,7 @@ xfs_file_splice_read(
 STATIC ssize_t
 xfs_file_splice_read_invis(
 	struct file		*infilp,
-	struct inode		*pipe,
+	struct pipe_inode_info	*pipe,
 	size_t			len,
 	unsigned int		flags)
 {
@@ -279,7 +279,7 @@ xfs_file_splice_read_invis(
 
 STATIC ssize_t
 xfs_file_splice_write(
-	struct inode		*pipe,
+	struct pipe_inode_info	*pipe,
 	struct file		*outfilp,
 	size_t			len,
 	unsigned int		flags)
@@ -293,7 +293,7 @@ xfs_file_splice_write(
 
 STATIC ssize_t
 xfs_file_splice_write_invis(
-	struct inode		*pipe,
+	struct pipe_inode_info	*pipe,
 	struct file		*outfilp,
 	size_t			len,
 	unsigned int		flags)
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 90cd314acbaa..74a52937f208 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -338,7 +338,7 @@ ssize_t
 xfs_splice_read(
 	bhv_desc_t		*bdp,
 	struct file		*infilp,
-	struct inode		*pipe,
+	struct pipe_inode_info	*pipe,
 	size_t			count,
 	int			flags,
 	int			ioflags,
@@ -380,7 +380,7 @@ xfs_splice_read(
 ssize_t
 xfs_splice_write(
 	bhv_desc_t		*bdp,
-	struct inode		*pipe,
+	struct pipe_inode_info	*pipe,
 	struct file		*outfilp,
 	size_t			count,
 	int			flags,
diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h
index eaa5659713fb..55c689a86ad2 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.h
+++ b/fs/xfs/linux-2.6/xfs_lrw.h
@@ -94,9 +94,9 @@ extern ssize_t xfs_sendfile(struct bhv_desc *, struct file *,
 				loff_t *, int, size_t, read_actor_t,
 				void *, struct cred *);
 extern ssize_t xfs_splice_read(struct bhv_desc *, struct file *,
-				struct inode *, size_t, int, int,
+				struct pipe_inode_info *, size_t, int, int,
 				struct cred *);
-extern ssize_t xfs_splice_write(struct bhv_desc *, struct inode *,
+extern ssize_t xfs_splice_write(struct bhv_desc *, struct pipe_inode_info *,
 				struct file *, size_t, int, int,
 				struct cred *);
 
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 6f1c79a28f8b..88b09f186289 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -174,9 +174,9 @@ typedef ssize_t (*vop_sendfile_t)(bhv_desc_t *, struct file *,
 				loff_t *, int, size_t, read_actor_t,
 				void *, struct cred *);
 typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *,
-				struct inode *, size_t, int, int,
+				struct pipe_inode_info *, size_t, int, int,
 				struct cred *);
-typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct inode *,
+typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct pipe_inode_info *,
 				struct file *, size_t, int, int,
 				struct cred *);
 typedef int	(*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1e9ebaba07b7..7e6454454fbd 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1039,8 +1039,8 @@ struct file_operations {
 	int (*check_flags)(int);
 	int (*dir_notify)(struct file *filp, unsigned long arg);
 	int (*flock) (struct file *, int, struct file_lock *);
-	ssize_t (*splice_write)(struct inode *, struct file *, size_t, unsigned int);
-	ssize_t (*splice_read)(struct file *, struct inode *, size_t, unsigned int);
+	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, size_t, unsigned int);
+	ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned int);
 };
 
 struct inode_operations {
@@ -1611,8 +1611,8 @@ extern ssize_t generic_file_sendfile(struct file *, loff_t *, size_t, read_actor
 extern void do_generic_mapping_read(struct address_space *mapping,
 				    struct file_ra_state *, struct file *,
 				    loff_t *, read_descriptor_t *, read_actor_t);
-extern ssize_t generic_file_splice_read(struct file *, struct inode *, size_t, unsigned int);
-extern ssize_t generic_file_splice_write(struct inode *, struct file *, size_t, unsigned int);
+extern ssize_t generic_file_splice_read(struct file *, struct pipe_inode_info *, size_t, unsigned int);
+extern ssize_t generic_file_splice_write(struct pipe_inode_info *, struct file *, size_t, unsigned int);
 extern void
 file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);
 extern ssize_t generic_file_readv(struct file *filp, const struct iovec *iov, 
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ec384958d509..9cf99cb34c15 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -36,6 +36,7 @@ struct pipe_inode_info {
 	unsigned int w_counter;
 	struct fasync_struct *fasync_readers;
 	struct fasync_struct *fasync_writers;
+	struct inode *inode;
 };
 
 /* Differs from PIPE_BUF in that PIPE_SIZE is the length of the actual
@@ -53,10 +54,10 @@ struct pipe_inode_info {
 #define PIPE_FASYNC_WRITERS(inode)     (&((inode).i_pipe->fasync_writers))
 
 /* Drop the inode semaphore and wait for a pipe event, atomically */
-void pipe_wait(struct inode * inode);
+void pipe_wait(struct pipe_inode_info *pipe);
 
-struct inode* pipe_new(struct inode* inode);
-void free_pipe_info(struct inode* inode);
+struct pipe_inode_info * alloc_pipe_info(struct inode * inode);
+void free_pipe_info(struct inode * inode);
 
 /*
  * splice is tied to pipes as a transport (at least for now), so we'll just
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-29 07:20:35 +0000