1 // SPDX-License-Identifier: GPL-2.0
15 #include "sync.h"
22 	int				mode;  member
27 	struct io_sync *sync = io_kiocb_to_cmd(req, struct io_sync);  in io_sfr_prep()  local
29 	if (unlikely(sqe->addr || sqe->buf_index || sqe->splice_fd_in))  in io_sfr_prep()
30 		return -EINVAL;  in io_sfr_prep()
32 	sync->off = READ_ONCE(sqe->off);  in io_sfr_prep()
33 	sync->len = READ_ONCE(sqe->len);  in io_sfr_prep()
34 	sync->flags = READ_ONCE(sqe->sync_range_flags);  in io_sfr_prep()
40 	struct io_sync *sync = io_kiocb_to_cmd(req, struct io_sync);  in io_sync_file_range()  local
45 		return -EAGAIN;  in io_sync_file_range()
47 	ret = sync_file_range(req->file, sync->off, sync->len, sync->flags);  in io_sync_file_range()
54 	struct io_sync *sync = io_kiocb_to_cmd(req, struct io_sync);  in io_fsync_prep()  local
56 	if (unlikely(sqe->addr || sqe->buf_index || sqe->splice_fd_in))  in io_fsync_prep()
57 		return -EINVAL;  in io_fsync_prep()
59 	sync->flags = READ_ONCE(sqe->fsync_flags);  in io_fsync_prep()
60 	if (unlikely(sync->flags & ~IORING_FSYNC_DATASYNC))  in io_fsync_prep()
61 		return -EINVAL;  in io_fsync_prep()
63 	sync->off = READ_ONCE(sqe->off);  in io_fsync_prep()
64 	sync->len = READ_ONCE(sqe->len);  in io_fsync_prep()
70 	struct io_sync *sync = io_kiocb_to_cmd(req, struct io_sync);  in io_fsync()  local
71 	loff_t end = sync->off + sync->len;  in io_fsync()
76 		return -EAGAIN;  in io_fsync()
78 	ret = vfs_fsync_range(req->file, sync->off, end > 0 ? end : LLONG_MAX,  in io_fsync()
79 				sync->flags & IORING_FSYNC_DATASYNC);  in io_fsync()
86 	struct io_sync *sync = io_kiocb_to_cmd(req, struct io_sync);  in io_fallocate_prep()  local
88 	if (sqe->buf_index || sqe->rw_flags || sqe->splice_fd_in)  in io_fallocate_prep()
89 		return -EINVAL;  in io_fallocate_prep()
91 	sync->off = READ_ONCE(sqe->off);  in io_fallocate_prep()
92 	sync->len = READ_ONCE(sqe->addr);  in io_fallocate_prep()
93 	sync->mode = READ_ONCE(sqe->len);  in io_fallocate_prep()
99 	struct io_sync *sync = io_kiocb_to_cmd(req, struct io_sync);  in io_fallocate()  local
104 		return -EAGAIN;  in io_fallocate()
105 	ret = vfs_fallocate(req->file, sync->mode, sync->off, sync->len);  in io_fallocate()
107 		fsnotify_modify(req->file);  in io_fallocate()