diff options
author | Ingo Molnar <mingo@elte.hu> | 2006-04-11 11:53:10 (GMT) |
---|---|---|
committer | Jens Axboe <axboe@suse.de> | 2006-04-11 11:53:10 (GMT) |
commit | 9aeedfc4712ed58d9f7ae41596185c72b8dc97e8 (patch) | |
tree | b055bab09a86cfc6cb13506d2f25da6abd12e3c1 /fs | |
parent | 7480a90435673b4c717b6caf1350ec577d5f1adf (diff) | |
download | linux-fsl-qoriq-9aeedfc4712ed58d9f7ae41596185c72b8dc97e8.tar.xz |
[PATCH] get rid of the PIPE_*() macros
get rid of the PIPE_*() macros. Scripted transformation.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/fifo.c | 48 | ||||
-rw-r--r-- | fs/pipe.c | 104 |
2 files changed, 76 insertions, 76 deletions
@@ -28,14 +28,14 @@ static void wait_for_partner(struct inode* inode, unsigned int *cnt) static void wake_up_partner(struct inode* inode) { - wake_up_interruptible(PIPE_WAIT(*inode)); + wake_up_interruptible(&inode->i_pipe->wait); } static int fifo_open(struct inode *inode, struct file *filp) { int ret; - mutex_lock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); if (!inode->i_pipe) { ret = -ENOMEM; inode->i_pipe = alloc_pipe_info(inode); @@ -55,18 +55,18 @@ static int fifo_open(struct inode *inode, struct file *filp) * opened, even when there is no process writing the FIFO. */ filp->f_op = &read_fifo_fops; - PIPE_RCOUNTER(*inode)++; - if (PIPE_READERS(*inode)++ == 0) + inode->i_pipe->r_counter++; + if (inode->i_pipe->readers++ == 0) wake_up_partner(inode); - if (!PIPE_WRITERS(*inode)) { + if (!inode->i_pipe->writers) { if ((filp->f_flags & O_NONBLOCK)) { /* suppress POLLHUP until we have * seen a writer */ - filp->f_version = PIPE_WCOUNTER(*inode); + filp->f_version = inode->i_pipe->w_counter; } else { - wait_for_partner(inode, &PIPE_WCOUNTER(*inode)); + wait_for_partner(inode, &inode->i_pipe->w_counter); if(signal_pending(current)) goto err_rd; } @@ -80,16 +80,16 @@ static int fifo_open(struct inode *inode, struct file *filp) * errno=ENXIO when there is no process reading the FIFO. */ ret = -ENXIO; - if ((filp->f_flags & O_NONBLOCK) && !PIPE_READERS(*inode)) + if ((filp->f_flags & O_NONBLOCK) && !inode->i_pipe->readers) goto err; filp->f_op = &write_fifo_fops; - PIPE_WCOUNTER(*inode)++; - if (!PIPE_WRITERS(*inode)++) + inode->i_pipe->w_counter++; + if (!inode->i_pipe->writers++) wake_up_partner(inode); - if (!PIPE_READERS(*inode)) { - wait_for_partner(inode, &PIPE_RCOUNTER(*inode)); + if (!inode->i_pipe->readers) { + wait_for_partner(inode, &inode->i_pipe->r_counter); if (signal_pending(current)) goto err_wr; } @@ -104,11 +104,11 @@ static int fifo_open(struct inode *inode, struct file *filp) */ filp->f_op = &rdwr_fifo_fops; - PIPE_READERS(*inode)++; - PIPE_WRITERS(*inode)++; - PIPE_RCOUNTER(*inode)++; - PIPE_WCOUNTER(*inode)++; - if (PIPE_READERS(*inode) == 1 || PIPE_WRITERS(*inode) == 1) + inode->i_pipe->readers++; + inode->i_pipe->writers++; + inode->i_pipe->r_counter++; + inode->i_pipe->w_counter++; + if (inode->i_pipe->readers == 1 || inode->i_pipe->writers == 1) wake_up_partner(inode); break; @@ -118,27 +118,27 @@ static int fifo_open(struct inode *inode, struct file *filp) } /* Ok! */ - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); return 0; err_rd: - if (!--PIPE_READERS(*inode)) - wake_up_interruptible(PIPE_WAIT(*inode)); + if (!--inode->i_pipe->readers) + wake_up_interruptible(&inode->i_pipe->wait); ret = -ERESTARTSYS; goto err; err_wr: - if (!--PIPE_WRITERS(*inode)) - wake_up_interruptible(PIPE_WAIT(*inode)); + if (!--inode->i_pipe->writers) + wake_up_interruptible(&inode->i_pipe->wait); ret = -ERESTARTSYS; goto err; err: - if (!PIPE_READERS(*inode) && !PIPE_WRITERS(*inode)) + if (!inode->i_pipe->readers && !inode->i_pipe->writers) free_pipe_info(inode); err_nocleanup: - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); return ret; } @@ -158,7 +158,7 @@ pipe_readv(struct file *filp, const struct iovec *_iov, do_wakeup = 0; ret = 0; - mutex_lock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); info = inode->i_pipe; for (;;) { int bufs = info->nrbufs; @@ -202,9 +202,9 @@ pipe_readv(struct file *filp, const struct iovec *_iov, } if (bufs) /* More to do? */ continue; - if (!PIPE_WRITERS(*inode)) + if (!inode->i_pipe->writers) break; - if (!PIPE_WAITING_WRITERS(*inode)) { + if (!inode->i_pipe->waiting_writers) { /* syscall merging: Usually we must not sleep * if O_NONBLOCK is set, or if we got some data. * But if a writer sleeps in kernel space, then @@ -222,16 +222,16 @@ pipe_readv(struct file *filp, const struct iovec *_iov, break; } if (do_wakeup) { - wake_up_interruptible_sync(PIPE_WAIT(*inode)); - kill_fasync(PIPE_FASYNC_WRITERS(*inode), SIGIO, POLL_OUT); + wake_up_interruptible_sync(&inode->i_pipe->wait); + kill_fasync(&inode->i_pipe->fasync_writers, SIGIO, POLL_OUT); } pipe_wait(inode->i_pipe); } - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); /* Signal writers asynchronously that there is more room. */ if (do_wakeup) { - wake_up_interruptible(PIPE_WAIT(*inode)); - kill_fasync(PIPE_FASYNC_WRITERS(*inode), SIGIO, POLL_OUT); + wake_up_interruptible(&inode->i_pipe->wait); + kill_fasync(&inode->i_pipe->fasync_writers, SIGIO, POLL_OUT); } if (ret > 0) file_accessed(filp); @@ -264,10 +264,10 @@ pipe_writev(struct file *filp, const struct iovec *_iov, do_wakeup = 0; ret = 0; - mutex_lock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); info = inode->i_pipe; - if (!PIPE_READERS(*inode)) { + if (!inode->i_pipe->readers) { send_sig(SIGPIPE, current, 0); ret = -EPIPE; goto out; @@ -306,7 +306,7 @@ pipe_writev(struct file *filp, const struct iovec *_iov, for (;;) { int bufs; - if (!PIPE_READERS(*inode)) { + if (!inode->i_pipe->readers) { send_sig(SIGPIPE, current, 0); if (!ret) ret = -EPIPE; break; @@ -367,19 +367,19 @@ pipe_writev(struct file *filp, const struct iovec *_iov, break; } if (do_wakeup) { - wake_up_interruptible_sync(PIPE_WAIT(*inode)); - kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO, POLL_IN); + wake_up_interruptible_sync(&inode->i_pipe->wait); + kill_fasync(&inode->i_pipe->fasync_readers, SIGIO, POLL_IN); do_wakeup = 0; } - PIPE_WAITING_WRITERS(*inode)++; + inode->i_pipe->waiting_writers++; pipe_wait(inode->i_pipe); - PIPE_WAITING_WRITERS(*inode)--; + inode->i_pipe->waiting_writers--; } out: - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); if (do_wakeup) { - wake_up_interruptible(PIPE_WAIT(*inode)); - kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO, POLL_IN); + wake_up_interruptible(&inode->i_pipe->wait); + kill_fasync(&inode->i_pipe->fasync_readers, SIGIO, POLL_IN); } if (ret > 0) file_update_time(filp); @@ -416,7 +416,7 @@ pipe_ioctl(struct inode *pino, struct file *filp, switch (cmd) { case FIONREAD: - mutex_lock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); info = inode->i_pipe; count = 0; buf = info->curbuf; @@ -425,7 +425,7 @@ pipe_ioctl(struct inode *pino, struct file *filp, count += info->bufs[buf].len; buf = (buf+1) & (PIPE_BUFFERS-1); } - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); return put_user(count, (int __user *)arg); default: return -EINVAL; @@ -441,14 +441,14 @@ pipe_poll(struct file *filp, poll_table *wait) struct pipe_inode_info *info = inode->i_pipe; int nrbufs; - poll_wait(filp, PIPE_WAIT(*inode), wait); + poll_wait(filp, &inode->i_pipe->wait, wait); /* Reading only -- no need for acquiring the semaphore. */ nrbufs = info->nrbufs; mask = 0; if (filp->f_mode & FMODE_READ) { mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0; - if (!PIPE_WRITERS(*inode) && filp->f_version != PIPE_WCOUNTER(*inode)) + if (!inode->i_pipe->writers && filp->f_version != inode->i_pipe->w_counter) mask |= POLLHUP; } @@ -458,7 +458,7 @@ pipe_poll(struct file *filp, poll_table *wait) * Most Unices do not set POLLERR for FIFOs but on Linux they * behave exactly like pipes for poll(). */ - if (!PIPE_READERS(*inode)) + if (!inode->i_pipe->readers) mask |= POLLERR; } @@ -468,17 +468,17 @@ pipe_poll(struct file *filp, poll_table *wait) static int pipe_release(struct inode *inode, int decr, int decw) { - mutex_lock(PIPE_MUTEX(*inode)); - PIPE_READERS(*inode) -= decr; - PIPE_WRITERS(*inode) -= decw; - if (!PIPE_READERS(*inode) && !PIPE_WRITERS(*inode)) { + mutex_lock(&inode->i_mutex); + inode->i_pipe->readers -= decr; + inode->i_pipe->writers -= decw; + if (!inode->i_pipe->readers && !inode->i_pipe->writers) { free_pipe_info(inode); } else { - wake_up_interruptible(PIPE_WAIT(*inode)); - kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO, POLL_IN); - kill_fasync(PIPE_FASYNC_WRITERS(*inode), SIGIO, POLL_OUT); + wake_up_interruptible(&inode->i_pipe->wait); + kill_fasync(&inode->i_pipe->fasync_readers, SIGIO, POLL_IN); + kill_fasync(&inode->i_pipe->fasync_writers, SIGIO, POLL_OUT); } - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); return 0; } @@ -489,9 +489,9 @@ pipe_read_fasync(int fd, struct file *filp, int on) struct inode *inode = filp->f_dentry->d_inode; int retval; - mutex_lock(PIPE_MUTEX(*inode)); - retval = fasync_helper(fd, filp, on, PIPE_FASYNC_READERS(*inode)); - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); + retval = fasync_helper(fd, filp, on, &inode->i_pipe->fasync_readers); + mutex_unlock(&inode->i_mutex); if (retval < 0) return retval; @@ -506,9 +506,9 @@ pipe_write_fasync(int fd, struct file *filp, int on) struct inode *inode = filp->f_dentry->d_inode; int retval; - mutex_lock(PIPE_MUTEX(*inode)); - retval = fasync_helper(fd, filp, on, PIPE_FASYNC_WRITERS(*inode)); - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); + retval = fasync_helper(fd, filp, on, &inode->i_pipe->fasync_writers); + mutex_unlock(&inode->i_mutex); if (retval < 0) return retval; @@ -523,14 +523,14 @@ pipe_rdwr_fasync(int fd, struct file *filp, int on) struct inode *inode = filp->f_dentry->d_inode; int retval; - mutex_lock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); - retval = fasync_helper(fd, filp, on, PIPE_FASYNC_READERS(*inode)); + retval = fasync_helper(fd, filp, on, &inode->i_pipe->fasync_readers); if (retval >= 0) - retval = fasync_helper(fd, filp, on, PIPE_FASYNC_WRITERS(*inode)); + retval = fasync_helper(fd, filp, on, &inode->i_pipe->fasync_writers); - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_unlock(&inode->i_mutex); if (retval < 0) return retval; @@ -569,9 +569,9 @@ pipe_read_open(struct inode *inode, struct file *filp) { /* We could have perhaps used atomic_t, but this and friends below are the only places. So it doesn't seem worthwhile. */ - mutex_lock(PIPE_MUTEX(*inode)); - PIPE_READERS(*inode)++; - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); + inode->i_pipe->readers++; + mutex_unlock(&inode->i_mutex); return 0; } @@ -579,9 +579,9 @@ pipe_read_open(struct inode *inode, struct file *filp) static int pipe_write_open(struct inode *inode, struct file *filp) { - mutex_lock(PIPE_MUTEX(*inode)); - PIPE_WRITERS(*inode)++; - mutex_unlock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); + inode->i_pipe->writers++; + mutex_unlock(&inode->i_mutex); return 0; } @@ -589,12 +589,12 @@ pipe_write_open(struct inode *inode, struct file *filp) static int pipe_rdwr_open(struct inode *inode, struct file *filp) { - mutex_lock(PIPE_MUTEX(*inode)); + mutex_lock(&inode->i_mutex); if (filp->f_mode & FMODE_READ) - PIPE_READERS(*inode)++; + inode->i_pipe->readers++; if (filp->f_mode & FMODE_WRITE) - PIPE_WRITERS(*inode)++; - mutex_unlock(PIPE_MUTEX(*inode)); + inode->i_pipe->writers++; + mutex_unlock(&inode->i_mutex); return 0; } @@ -731,7 +731,7 @@ static struct inode * get_pipe_inode(void) if (!inode->i_pipe) goto fail_iput; - PIPE_READERS(*inode) = PIPE_WRITERS(*inode) = 1; + inode->i_pipe->readers = inode->i_pipe->writers = 1; inode->i_fop = &rdwr_pipe_fops; /* |