diff options
| author | Christoph Hellwig <hch@lst.de> | 2025-08-19 10:25:00 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-08-20 11:12:58 +0200 |
| commit | d072148a8631f102de60ed5a3a827e85d09d24f0 (patch) | |
| tree | efd4078aa4c4a59f6e47fd1b28ed08f9f510d9f5 /io_uring | |
| parent | b19a97d57c15643494ac8bfaaa35e3ee472d41da (diff) | |
| download | linux-d072148a8631f102de60ed5a3a827e85d09d24f0.tar.gz linux-d072148a8631f102de60ed5a3a827e85d09d24f0.tar.bz2 linux-d072148a8631f102de60ed5a3a827e85d09d24f0.zip | |
fs: add a FMODE_ flag to indicate IOCB_HAS_METADATA availability
Currently the kernel will happily route io_uring requests with metadata
to file operations that don't support it. Add a FMODE_ flag to guard
that.
Fixes: 4de2ce04c862 ("fs: introduce IOCB_HAS_METADATA for metadata")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/20250819082517.2038819-2-hch@lst.de
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/rw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/io_uring/rw.c b/io_uring/rw.c index 52a5b950b2e5..af5a54b5db12 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -886,6 +886,9 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode, int rw_type) if (req->flags & REQ_F_HAS_METADATA) { struct io_async_rw *io = req->async_data; + if (!(file->f_mode & FMODE_HAS_METADATA)) + return -EINVAL; + /* * We have a union of meta fields with wpq used for buffered-io * in io_async_rw, so fail it here. |