diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-09-01 18:16:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-05 11:28:58 +0300 |
| commit | 28d8d2737e82fc29ff9e788597661abecc7f7994 (patch) | |
| tree | 45cf68550ff4cf406324ec448480790ce84d294c /include/linux | |
| parent | 744b0d3080709a172f0408aedabd1cedd24c2ee6 (diff) | |
| download | linux-28d8d2737e82fc29ff9e788597661abecc7f7994.tar.xz | |
io_uring: disable polling pollfree files
Older kernels lack io_uring POLLFREE handling. As only affected files
are signalfd and android binder the safest option would be to disable
polling those files via io_uring and hope there are no users.
Fixes: 221c5eb233823 ("io_uring: add support for IORING_OP_POLL")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 42d246a94228..c8f887641878 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1859,6 +1859,7 @@ struct file_operations { struct file *file_out, loff_t pos_out, loff_t len, unsigned int remap_flags); int (*fadvise)(struct file *, loff_t, loff_t, int); + bool may_pollfree; } __randomize_layout; struct inode_operations { |