Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
[pandora-kernel.git] / fs / pipe.c
index 10c4e9a..fcba654 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -777,45 +777,10 @@ pipe_rdwr_open(struct inode *inode, struct file *filp)
 /*
  * The file_operations structs are not static because they
  * are also used in linux/fs/fifo.c to do operations on FIFOs.
+ *
+ * Pipes reuse fifos' file_operations structs.
  */
-const struct file_operations read_fifo_fops = {
-       .llseek         = no_llseek,
-       .read           = do_sync_read,
-       .aio_read       = pipe_read,
-       .write          = bad_pipe_w,
-       .poll           = pipe_poll,
-       .unlocked_ioctl = pipe_ioctl,
-       .open           = pipe_read_open,
-       .release        = pipe_read_release,
-       .fasync         = pipe_read_fasync,
-};
-
-const struct file_operations write_fifo_fops = {
-       .llseek         = no_llseek,
-       .read           = bad_pipe_r,
-       .write          = do_sync_write,
-       .aio_write      = pipe_write,
-       .poll           = pipe_poll,
-       .unlocked_ioctl = pipe_ioctl,
-       .open           = pipe_write_open,
-       .release        = pipe_write_release,
-       .fasync         = pipe_write_fasync,
-};
-
-const struct file_operations rdwr_fifo_fops = {
-       .llseek         = no_llseek,
-       .read           = do_sync_read,
-       .aio_read       = pipe_read,
-       .write          = do_sync_write,
-       .aio_write      = pipe_write,
-       .poll           = pipe_poll,
-       .unlocked_ioctl = pipe_ioctl,
-       .open           = pipe_rdwr_open,
-       .release        = pipe_rdwr_release,
-       .fasync         = pipe_rdwr_fasync,
-};
-
-static const struct file_operations read_pipe_fops = {
+const struct file_operations read_pipefifo_fops = {
        .llseek         = no_llseek,
        .read           = do_sync_read,
        .aio_read       = pipe_read,
@@ -827,7 +792,7 @@ static const struct file_operations read_pipe_fops = {
        .fasync         = pipe_read_fasync,
 };
 
-static const struct file_operations write_pipe_fops = {
+const struct file_operations write_pipefifo_fops = {
        .llseek         = no_llseek,
        .read           = bad_pipe_r,
        .write          = do_sync_write,
@@ -839,7 +804,7 @@ static const struct file_operations write_pipe_fops = {
        .fasync         = pipe_write_fasync,
 };
 
-static const struct file_operations rdwr_pipe_fops = {
+const struct file_operations rdwr_pipefifo_fops = {
        .llseek         = no_llseek,
        .read           = do_sync_read,
        .aio_read       = pipe_read,
@@ -927,7 +892,7 @@ static struct inode * get_pipe_inode(void)
        inode->i_pipe = pipe;
 
        pipe->readers = pipe->writers = 1;
-       inode->i_fop = &rdwr_pipe_fops;
+       inode->i_fop = &rdwr_pipefifo_fops;
 
        /*
         * Mark the inode dirty from the very beginning,
@@ -978,7 +943,7 @@ struct file *create_write_pipe(int flags)
        d_instantiate(dentry, inode);
 
        err = -ENFILE;
-       f = alloc_file(pipe_mnt, dentry, FMODE_WRITE, &write_pipe_fops);
+       f = alloc_file(pipe_mnt, dentry, FMODE_WRITE, &write_pipefifo_fops);
        if (!f)
                goto err_dentry;
        f->f_mapping = inode->i_mapping;
@@ -1020,7 +985,7 @@ struct file *create_read_pipe(struct file *wrf, int flags)
 
        f->f_pos = 0;
        f->f_flags = O_RDONLY | (flags & O_NONBLOCK);
-       f->f_op = &read_pipe_fops;
+       f->f_op = &read_pipefifo_fops;
        f->f_mode = FMODE_READ;
        f->f_version = 0;