xiaomi-sm8450/android_kernel_xiaomi_sm8450
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make kernel-side POLL... arch-independent

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mangle/demangle on the way to/from userland

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2017-11-29 19:00:41 -05:00
parent 69112736e2
commit c71d227fc4
10 changed files with 125 additions and 8 deletions
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4
fs/fuse/file.c
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@@ -2764,7 +2764,7 @@ __poll_t fuse_file_poll(struct file *file, poll_table *wait)
return DEFAULT_POLLMASK;
poll_wait(file, &ff->poll_wait, wait);
inarg.events = (__u32)poll_requested_events(wait);
inarg.events = mangle_poll(poll_requested_events(wait));
/*
* Ask for notification iff there's someone waiting for it.
@@ -2786,7 +2786,7 @@ __poll_t fuse_file_poll(struct file *file, poll_table *wait)
err = fuse_simple_request(fc, &args);
if (!err)
return outarg.revents;
return demangle_poll(outarg.revents);
if (err == -ENOSYS) {
fc->no_poll = 1;
return DEFAULT_POLLMASK;