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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-21 02:07:59 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 14:12:59 -0400
commitfc7478a2bfa9abd19657d2bbc9ae24185a41e21b (patch)
tree3db04ffa77f2050b3c10fa9fdcb1798ba0ce4f71 /fs/pipe.c
parent599a0ac14e065b7c08471ef2e75a504b7dec9267 (diff)
pipe: switch wait_for_partner() and wake_up_partner() to pipe_inode_info
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/pipe.c')
-rw-r--r--fs/pipe.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index 099ac3bf89f..105b0021b07 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -986,21 +986,21 @@ SYSCALL_DEFINE1(pipe, int __user *, fildes)
return sys_pipe2(fildes, 0);
}
-static int wait_for_partner(struct inode* inode, unsigned int *cnt)
+static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt)
{
int cur = *cnt;
while (cur == *cnt) {
- pipe_wait(inode->i_pipe);
+ pipe_wait(pipe);
if (signal_pending(current))
break;
}
return cur == *cnt ? -ERESTARTSYS : 0;
}
-static void wake_up_partner(struct inode* inode)
+static void wake_up_partner(struct pipe_inode_info *pipe)
{
- wake_up_interruptible(&inode->i_pipe->wait);
+ wake_up_interruptible(&pipe->wait);
}
static int fifo_open(struct inode *inode, struct file *filp)
@@ -1032,7 +1032,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
*/
pipe->r_counter++;
if (pipe->readers++ == 0)
- wake_up_partner(inode);
+ wake_up_partner(pipe);
if (!is_pipe && !pipe->writers) {
if ((filp->f_flags & O_NONBLOCK)) {
@@ -1040,7 +1040,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
* seen a writer */
filp->f_version = pipe->w_counter;
} else {
- if (wait_for_partner(inode, &pipe->w_counter))
+ if (wait_for_partner(pipe, &pipe->w_counter))
goto err_rd;
}
}
@@ -1058,10 +1058,10 @@ static int fifo_open(struct inode *inode, struct file *filp)
pipe->w_counter++;
if (!pipe->writers++)
- wake_up_partner(inode);
+ wake_up_partner(pipe);
if (!is_pipe && !pipe->readers) {
- if (wait_for_partner(inode, &pipe->r_counter))
+ if (wait_for_partner(pipe, &pipe->r_counter))
goto err_wr;
}
break;
@@ -1079,7 +1079,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
pipe->r_counter++;
pipe->w_counter++;
if (pipe->readers == 1 || pipe->writers == 1)
- wake_up_partner(inode);
+ wake_up_partner(pipe);
break;
default: