X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fpipe.c;h=e66ec48e95d8f44223ba960e5fe82a9c7acd962d;hb=f28dc2f78bbcbf07b8a084fcd89cf6b4256f0664;hp=6b3d91a691bf146edeeb7934a366e6ab4c0ff100;hpb=53fdc5185c994ad6def3729a905ac4a47c477c9d;p=firefly-linux-kernel-4.4.55.git diff --git a/fs/pipe.c b/fs/pipe.c index 6b3d91a691bf..e66ec48e95d8 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -45,8 +45,7 @@ void pipe_wait(struct pipe_inode_info *pipe) * Pipes are system-local resources, so sleeping on them * is considered a noninteractive wait: */ - prepare_to_wait(&pipe->wait, &wait, - TASK_INTERRUPTIBLE | TASK_NONINTERACTIVE); + prepare_to_wait(&pipe->wait, &wait, TASK_INTERRUPTIBLE); if (pipe->inode) mutex_unlock(&pipe->inode->i_mutex); schedule(); @@ -383,7 +382,7 @@ redo: /* Signal writers asynchronously that there is more room. */ if (do_wakeup) { - wake_up_interruptible(&pipe->wait); + wake_up_interruptible_sync(&pipe->wait); kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT); } if (ret > 0) @@ -556,7 +555,7 @@ redo2: out: mutex_unlock(&inode->i_mutex); if (do_wakeup) { - wake_up_interruptible(&pipe->wait); + wake_up_interruptible_sync(&pipe->wait); kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); } if (ret > 0) @@ -650,7 +649,7 @@ pipe_release(struct inode *inode, int decr, int decw) if (!pipe->readers && !pipe->writers) { free_pipe_info(inode); } else { - wake_up_interruptible(&pipe->wait); + wake_up_interruptible_sync(&pipe->wait); kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT); }