diff options
author | Bijan Mottahedeh <bijan.mottahedeh@oracle.com> | 2020-05-22 21:31:16 -0700 |
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committer | Jens Axboe <axboe@kernel.dk> | 2020-05-26 16:48:06 -0600 |
commit | 1d9e1288039a47dc1189c3c1fed5cf3c215e94b7 (patch) | |
tree | d9d4f14637d4cd5fd579764b9104fab025a7af15 /fs/io_uring.c | |
parent | 0bf0eefdab52d9f9f3a1eeda32a4fc7afe4e9219 (diff) |
io_uring: add io_statx structure
Separate statx data from open in io_kiocb. No functional changes.
Signed-off-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
-rw-r--r-- | fs/io_uring.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 8c7a6e3e7669..2d86bd7b2787 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -425,11 +425,7 @@ struct io_sr_msg { struct io_open { struct file *file; int dfd; - union { - unsigned mask; - }; struct filename *filename; - struct statx __user *buffer; struct open_how how; unsigned long nofile; }; @@ -481,6 +477,15 @@ 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_async_connect { struct sockaddr_storage address; }; @@ -622,6 +627,7 @@ struct io_kiocb { struct io_epoll epoll; struct io_splice splice; struct io_provide_buf pbuf; + struct io_statx statx; }; struct io_async_ctx *io; @@ -3381,19 +3387,19 @@ static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) if (req->flags & REQ_F_NEED_CLEANUP) return 0; - req->open.dfd = READ_ONCE(sqe->fd); - req->open.mask = READ_ONCE(sqe->len); + req->statx.dfd = READ_ONCE(sqe->fd); + req->statx.mask = READ_ONCE(sqe->len); fname = u64_to_user_ptr(READ_ONCE(sqe->addr)); - req->open.buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2)); - req->open.how.flags = READ_ONCE(sqe->statx_flags); + req->statx.buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2)); + req->statx.flags = READ_ONCE(sqe->statx_flags); - if (vfs_stat_set_lookup_flags(&lookup_flags, req->open.how.flags)) + if (vfs_stat_set_lookup_flags(&lookup_flags, req->statx.flags)) return -EINVAL; - req->open.filename = getname_flags(fname, lookup_flags, NULL); - if (IS_ERR(req->open.filename)) { - ret = PTR_ERR(req->open.filename); - req->open.filename = NULL; + req->statx.filename = getname_flags(fname, lookup_flags, NULL); + if (IS_ERR(req->statx.filename)) { + ret = PTR_ERR(req->statx.filename); + req->statx.filename = NULL; return ret; } @@ -3403,7 +3409,7 @@ static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) static int io_statx(struct io_kiocb *req, bool force_nonblock) { - struct io_open *ctx = &req->open; + struct io_statx *ctx = &req->statx; unsigned lookup_flags; struct path path; struct kstat stat; @@ -3416,7 +3422,7 @@ static int io_statx(struct io_kiocb *req, bool force_nonblock) return -EAGAIN; } - if (vfs_stat_set_lookup_flags(&lookup_flags, ctx->how.flags)) + if (vfs_stat_set_lookup_flags(&lookup_flags, ctx->flags)) return -EINVAL; retry: @@ -3428,7 +3434,7 @@ retry: if (ret) goto err; - ret = vfs_getattr(&path, &stat, ctx->mask, ctx->how.flags); + ret = vfs_getattr(&path, &stat, ctx->mask, ctx->flags); path_put(&path); if (retry_estale(ret, lookup_flags)) { lookup_flags |= LOOKUP_REVAL; |