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Commit 71d8e532 authored by Al Viro's avatar Al Viro
Browse files

start adding the tag to iov_iter 



For now, just use the same thing we pass to ->direct_IO() - it's all
iovec-based at the moment.  Pass it explicitly to iov_iter_init() and
account for kvec vs. iovec in there, by the same kludge NFS ->direct_IO()
uses.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent ed978a81

fs/btrfs/file.c

+1 −1
Original line number Diff line number Diff line
@@ -1740,7 +1740,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, 
		goto out;

	}



	iov_iter_init(&i, iov, nr_segs, count, 0);

	iov_iter_init(&i, WRITE, iov, nr_segs, count);



	err = file_remove_suid(file);

	if (err) {

fs/ceph/file.c

+4 −4
Original line number Diff line number Diff line
@@ -582,7 +582,7 @@ ceph_sync_direct_write(struct kiocb *iocb, const struct iovec *iov, 
		CEPH_OSD_FLAG_ONDISK |

		CEPH_OSD_FLAG_WRITE;



	iov_iter_init(&i, iov, nr_segs, count, 0);

	iov_iter_init(&i, WRITE, iov, nr_segs, count);



	while (iov_iter_count(&i) > 0) {

		void __user *data = i.iov->iov_base + i.iov_offset;
@@ -703,7 +703,7 @@ static ssize_t ceph_sync_write(struct kiocb *iocb, const struct iovec *iov, 
		CEPH_OSD_FLAG_WRITE |

		CEPH_OSD_FLAG_ACK;



	iov_iter_init(&i, iov, nr_segs, count, 0);

	iov_iter_init(&i, WRITE, iov, nr_segs, count);



	while ((len = iov_iter_count(&i)) > 0) {

		size_t left;
@@ -808,7 +808,7 @@ static ssize_t ceph_aio_read(struct kiocb *iocb, const struct iovec *iov, 
	int checkeof = 0, read = 0;

	struct iov_iter i;



	iov_iter_init(&i, iov, nr_segs, len, 0);

	iov_iter_init(&i, READ, iov, nr_segs, len);



again:

	dout("aio_read %p %llx.%llx %llu~%u trying to get caps on %p\n",
@@ -961,7 +961,7 @@ retry_snap: 
		 * are pending vmtruncate. So write and vmtruncate

		 * can not run at the same time

		 */

		iov_iter_init(&from, iov, nr_segs, count, 0);

		iov_iter_init(&from, WRITE, iov, nr_segs, count);

		written = generic_perform_write(file, &from, pos);

		if (likely(written >= 0))

			iocb->ki_pos = pos + written;

fs/cifs/file.c

+2 −2
Original line number Diff line number Diff line
@@ -2424,7 +2424,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov, 
	else

		pid = current->tgid;



	iov_iter_init(&it, iov, nr_segs, len, 0);

	iov_iter_init(&it, WRITE, iov, nr_segs, len);

	do {

		size_t save_len;
@@ -2854,7 +2854,7 @@ ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov, 
	if (!len)

		return 0;



	iov_iter_init(&to, iov, nr_segs, len, 0);

	iov_iter_init(&to, READ, iov, nr_segs, len);



	INIT_LIST_HEAD(&rdata_list);

	cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);

fs/fuse/file.c

+3 −3
Original line number Diff line number Diff line
@@ -1217,7 +1217,7 @@ static ssize_t fuse_file_aio_write(struct kiocb *iocb, const struct iovec *iov, 
	err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));

	if (err)

		goto out;

	iov_iter_init(&i, iov, nr_segs, count, 0);

	iov_iter_init(&i, WRITE, iov, nr_segs, count);



	if (count == 0)

		goto out;
@@ -1386,7 +1386,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, const struct iovec *iov, 
	struct fuse_req *req;

	struct iov_iter ii;



	iov_iter_init(&ii, iov, nr_segs, count, 0);

	iov_iter_init(&ii, write ? WRITE : READ, iov, nr_segs, count);



	if (io->async)

		req = fuse_get_req_for_background(fc, fuse_iter_npages(&ii));
@@ -2367,7 +2367,7 @@ static int fuse_ioctl_copy_user(struct page **pages, struct iovec *iov, 
	if (!bytes)

		return 0;



	iov_iter_init(&ii, iov, nr_segs, bytes, 0);

	iov_iter_init(&ii, to_user ? READ : WRITE, iov, nr_segs, bytes);



	while (iov_iter_count(&ii)) {

		struct page *page = pages[page_idx++];

fs/nfs/file.c

+2 −2
Original line number Diff line number Diff line
@@ -173,7 +173,7 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov, 
	ssize_t result;

	struct iov_iter to;



	iov_iter_init(&to, iov, nr_segs, count, 0);

	iov_iter_init(&to, READ, iov, nr_segs, count);



	if (iocb->ki_filp->f_flags & O_DIRECT)

		return nfs_file_direct_read(iocb, &to, pos, true);
@@ -648,7 +648,7 @@ ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov, 
	ssize_t result;

	size_t count = iov_length(iov, nr_segs);

	struct iov_iter from;

	iov_iter_init(&from, iov, nr_segs, count, 0);

	iov_iter_init(&from, WRITE, iov, nr_segs, count);



	result = nfs_key_timeout_notify(file, inode);

	if (result)