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authorJens Axboe <axboe@kernel.dk>2022-05-25 15:12:18 +0300
committerJens Axboe <axboe@kernel.dk>2022-07-25 03:39:11 +0300
commite0da14def1ee0a9cd9c88893321e9a3d900f8e23 (patch)
tree319b5838f10d19c9621d4de0b5f25053112d56f1 /io_uring/io_uring.c
parenta9c210cebe13c36487a239ae7f4671a389fed127 (diff)
downloadlinux-e0da14def1ee0a9cd9c88893321e9a3d900f8e23.tar.xz
io_uring: move statx handling to its own file
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
-rw-r--r--io_uring/io_uring.c62
1 files changed, 1 insertions, 61 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 78828e294e53..eb01d1aadeb4 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -101,6 +101,7 @@
#include "openclose.h"
#include "uring_cmd.h"
#include "epoll.h"
+#include "statx.h"
#define IORING_MAX_ENTRIES 32768
#define IORING_MAX_CQ_ENTRIES (2 * IORING_MAX_ENTRIES)
@@ -384,15 +385,6 @@ struct io_provide_buf {
__u16 bid;
};
-struct io_statx {
- struct file *file;
- int dfd;
- unsigned int mask;
- unsigned int flags;
- struct filename *filename;
- struct statx __user *buffer;
-};
-
struct io_shutdown {
struct file *file;
int how;
@@ -4033,58 +4025,6 @@ static __maybe_unused int io_eopnotsupp_prep(struct io_kiocb *kiocb,
return -EOPNOTSUPP;
}
-static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
-{
- struct io_statx *sx = io_kiocb_to_cmd(req);
- const char __user *path;
-
- if (sqe->buf_index || sqe->splice_fd_in)
- return -EINVAL;
- if (req->flags & REQ_F_FIXED_FILE)
- return -EBADF;
-
- sx->dfd = READ_ONCE(sqe->fd);
- sx->mask = READ_ONCE(sqe->len);
- path = u64_to_user_ptr(READ_ONCE(sqe->addr));
- sx->buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2));
- sx->flags = READ_ONCE(sqe->statx_flags);
-
- sx->filename = getname_flags(path,
- getname_statx_lookup_flags(sx->flags),
- NULL);
-
- if (IS_ERR(sx->filename)) {
- int ret = PTR_ERR(sx->filename);
-
- sx->filename = NULL;
- return ret;
- }
-
- req->flags |= REQ_F_NEED_CLEANUP;
- return 0;
-}
-
-static int io_statx(struct io_kiocb *req, unsigned int issue_flags)
-{
- struct io_statx *sx = io_kiocb_to_cmd(req);
- int ret;
-
- if (issue_flags & IO_URING_F_NONBLOCK)
- return -EAGAIN;
-
- ret = do_statx(sx->dfd, sx->filename, sx->flags, sx->mask, sx->buffer);
- io_req_set_res(req, ret, 0);
- return IOU_OK;
-}
-
-static void io_statx_cleanup(struct io_kiocb *req)
-{
- struct io_statx *sx = io_kiocb_to_cmd(req);
-
- if (sx->filename)
- putname(sx->filename);
-}
-
#if defined(CONFIG_NET)
static int io_shutdown_prep(struct io_kiocb *req,
const struct io_uring_sqe *sqe)