diff options
| -rw-r--r-- | fs/aio.c | 34 | ||||
| -rw-r--r-- | fs/ceph/file.c | 2 | ||||
| -rw-r--r-- | fs/nfs/direct.c | 2 | ||||
| -rw-r--r-- | fs/ocfs2/file.c | 8 | ||||
| -rw-r--r-- | fs/read_write.c | 8 | ||||
| -rw-r--r-- | fs/udf/file.c | 2 | ||||
| -rw-r--r-- | include/linux/aio.h | 1 | ||||
| -rw-r--r-- | kernel/printk/printk.c | 2 | ||||
| -rw-r--r-- | mm/page_io.c | 1 | ||||
| -rw-r--r-- | net/socket.c | 6 |
10 files changed, 28 insertions, 38 deletions
@@ -1344,12 +1344,13 @@ typedef ssize_t (rw_iter_op)(struct kiocb *, struct iov_iter *); static ssize_t aio_setup_vectored_rw(struct kiocb *kiocb, int rw, char __user *buf, unsigned long *nr_segs, + size_t *len, struct iovec **iovec, bool compat) { ssize_t ret; - *nr_segs = kiocb->ki_nbytes; + *nr_segs = *len; #ifdef CONFIG_COMPAT if (compat) @@ -1364,21 +1365,22 @@ static ssize_t aio_setup_vectored_rw(struct kiocb *kiocb, if (ret < 0) return ret; - /* ki_nbytes now reflect bytes instead of segs */ - kiocb->ki_nbytes = ret; + /* len now reflect bytes instead of segs */ + *len = ret; return 0; } static ssize_t aio_setup_single_vector(struct kiocb *kiocb, int rw, char __user *buf, unsigned long *nr_segs, + size_t len, struct iovec *iovec) { - if (unlikely(!access_ok(!rw, buf, kiocb->ki_nbytes))) + if (unlikely(!access_ok(!rw, buf, len))) return -EFAULT; iovec->iov_base = buf; - iovec->iov_len = kiocb->ki_nbytes; + iovec->iov_len = len; *nr_segs = 1; return 0; } @@ -1388,7 +1390,7 @@ static ssize_t aio_setup_single_vector(struct kiocb *kiocb, * Performs the initial checks and io submission. */ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, - char __user *buf, bool compat) + char __user *buf, size_t len, bool compat) { struct file *file = req->ki_filp; ssize_t ret; @@ -1423,21 +1425,21 @@ rw_common: if (!rw_op && !iter_op) return -EINVAL; - ret = (opcode == IOCB_CMD_PREADV || - opcode == IOCB_CMD_PWRITEV) - ? aio_setup_vectored_rw(req, rw, buf, &nr_segs, - &iovec, compat) - : aio_setup_single_vector(req, rw, buf, &nr_segs, - iovec); + if (opcode == IOCB_CMD_PREADV || opcode == IOCB_CMD_PWRITEV) + ret = aio_setup_vectored_rw(req, rw, buf, &nr_segs, + &len, &iovec, compat); + else + ret = aio_setup_single_vector(req, rw, buf, &nr_segs, + len, iovec); if (!ret) - ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes); + ret = rw_verify_area(rw, file, &req->ki_pos, len); if (ret < 0) { if (iovec != inline_vecs) kfree(iovec); return ret; } - req->ki_nbytes = ret; + len = ret; /* XXX: move/kill - rw_verify_area()? */ /* This matches the pread()/pwrite() logic */ @@ -1450,7 +1452,7 @@ rw_common: file_start_write(file); if (iter_op) { - iov_iter_init(&iter, rw, iovec, nr_segs, req->ki_nbytes); + iov_iter_init(&iter, rw, iovec, nr_segs, len); ret = iter_op(req, &iter); } else { ret = rw_op(req, iovec, nr_segs, req->ki_pos); @@ -1553,10 +1555,10 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, req->ki_obj.user = user_iocb; req->ki_user_data = iocb->aio_data; req->ki_pos = iocb->aio_offset; - req->ki_nbytes = iocb->aio_nbytes; ret = aio_run_iocb(req, iocb->aio_lio_opcode, (char __user *)(unsigned long)iocb->aio_buf, + iocb->aio_nbytes, compat); if (ret) goto out_put_req; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 905986dd4c3c..081c4e3f9e49 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -807,7 +807,7 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to) { struct file *filp = iocb->ki_filp; struct ceph_file_info *fi = filp->private_data; - size_t len = iocb->ki_nbytes; + size_t len = iov_iter_count(to); struct inode *inode = file_inode(filp); struct ceph_inode_info *ci = ceph_inode(inode); struct page *pinned_page = NULL; diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 7077521acdf4..27cebf164070 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -265,7 +265,7 @@ ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t return -EINVAL; #else - VM_BUG_ON(iocb->ki_nbytes != PAGE_SIZE); + VM_BUG_ON(iov_iter_count(iter) != PAGE_SIZE); if (rw == READ) return nfs_file_direct_read(iocb, iter, pos); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 46e0d4e857c7..266845de2100 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -2280,7 +2280,7 @@ static ssize_t ocfs2_file_write_iter(struct kiocb *iocb, file->f_path.dentry->d_name.name, (unsigned int)from->nr_segs); /* GRRRRR */ - if (iocb->ki_nbytes == 0) + if (count == 0) return 0; appending = file->f_flags & O_APPEND ? 1 : 0; @@ -2330,8 +2330,7 @@ relock: } can_do_direct = direct_io; - ret = ocfs2_prepare_inode_for_write(file, ppos, - iocb->ki_nbytes, appending, + ret = ocfs2_prepare_inode_for_write(file, ppos, count, appending, &can_do_direct, &has_refcount); if (ret < 0) { mlog_errno(ret); @@ -2339,8 +2338,7 @@ relock: } if (direct_io && !is_sync_kiocb(iocb)) - unaligned_dio = ocfs2_is_io_unaligned(inode, iocb->ki_nbytes, - *ppos); + unaligned_dio = ocfs2_is_io_unaligned(inode, count, *ppos); /* * We can't complete the direct I/O as requested, fall back to diff --git a/fs/read_write.c b/fs/read_write.c index 8e1b68786d66..f8b8fc1316ab 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -343,7 +343,6 @@ ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos) init_sync_kiocb(&kiocb, file); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = iov_iter_count(iter); iter->type |= READ; ret = file->f_op->read_iter(&kiocb, iter); @@ -366,7 +365,6 @@ ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos) init_sync_kiocb(&kiocb, file); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = iov_iter_count(iter); iter->type |= WRITE; ret = file->f_op->write_iter(&kiocb, iter); @@ -426,7 +424,6 @@ ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *pp init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = len; ret = filp->f_op->aio_read(&kiocb, &iov, 1, kiocb.ki_pos); if (-EIOCBQUEUED == ret) @@ -446,7 +443,6 @@ ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *p init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = len; iov_iter_init(&iter, READ, &iov, 1, len); ret = filp->f_op->read_iter(&kiocb, &iter); @@ -510,7 +506,6 @@ ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, lof init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = len; ret = filp->f_op->aio_write(&kiocb, &iov, 1, kiocb.ki_pos); if (-EIOCBQUEUED == ret) @@ -530,7 +525,6 @@ ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, lo init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = len; iov_iter_init(&iter, WRITE, &iov, 1, len); ret = filp->f_op->write_iter(&kiocb, &iter); @@ -719,7 +713,6 @@ static ssize_t do_iter_readv_writev(struct file *filp, int rw, const struct iove init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = len; iov_iter_init(&iter, rw, iov, nr_segs, len); ret = fn(&kiocb, &iter); @@ -737,7 +730,6 @@ static ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov, init_sync_kiocb(&kiocb, filp); kiocb.ki_pos = *ppos; - kiocb.ki_nbytes = len; ret = fn(&kiocb, iov, nr_segs, kiocb.ki_pos); if (ret == -EIOCBQUEUED) diff --git a/fs/udf/file.c b/fs/udf/file.c index 08f3555fbeac..9c0b6da9dbb3 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -122,7 +122,7 @@ static ssize_t udf_file_write_iter(struct kiocb *iocb, struct iov_iter *from) struct file *file = iocb->ki_filp; struct inode *inode = file_inode(file); int err, pos; - size_t count = iocb->ki_nbytes; + size_t count = iov_iter_count(from); struct udf_inode_info *iinfo = UDF_I(inode); mutex_lock(&inode->i_mutex); diff --git a/include/linux/aio.h b/include/linux/aio.h index d9c92daa3944..132d1ecba435 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -42,7 +42,6 @@ struct kiocb { __u64 ki_user_data; /* user's data for completion */ loff_t ki_pos; - size_t ki_nbytes; /* copy of iocb->aio_nbytes */ struct list_head ki_list; /* the aio core uses this * for cancellation */ diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index c06df7de0963..60b2aa2a2da9 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -521,7 +521,7 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from) int i; int level = default_message_loglevel; int facility = 1; /* LOG_USER */ - size_t len = iocb->ki_nbytes; + size_t len = iov_iter_count(from); ssize_t ret = len; if (len > LOG_LINE_MAX) diff --git a/mm/page_io.c b/mm/page_io.c index e6045804c8d8..7ef21577856c 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -274,7 +274,6 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, iov_iter_bvec(&from, ITER_BVEC | WRITE, &bv, 1, PAGE_SIZE); init_sync_kiocb(&kiocb, swap_file); kiocb.ki_pos = page_file_offset(page); - kiocb.ki_nbytes = PAGE_SIZE; set_page_writeback(page); unlock_page(page); diff --git a/net/socket.c b/net/socket.c index bbedbfcb42c2..f92145554f34 100644 --- a/net/socket.c +++ b/net/socket.c @@ -858,11 +858,11 @@ static ssize_t sock_read_iter(struct kiocb *iocb, struct iov_iter *to) if (iocb->ki_pos != 0) return -ESPIPE; - if (iocb->ki_nbytes == 0) /* Match SYS5 behaviour */ + if (!iov_iter_count(to)) /* Match SYS5 behaviour */ return 0; res = __sock_recvmsg(iocb, sock, &msg, - iocb->ki_nbytes, msg.msg_flags); + iov_iter_count(to), msg.msg_flags); *to = msg.msg_iter; return res; } @@ -883,7 +883,7 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from) if (sock->type == SOCK_SEQPACKET) msg.msg_flags |= MSG_EOR; - res = __sock_sendmsg(iocb, sock, &msg, iocb->ki_nbytes); + res = __sock_sendmsg(iocb, sock, &msg, iov_iter_count(from)); *from = msg.msg_iter; return res; } |
