From 619d30b4b8c488042b4a720ca79dccc346d1a516 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 4 Mar 2014 21:53:33 -0500 Subject: convert the guts of nfs_direct_IO() to iov_iter Signed-off-by: Al Viro --- fs/nfs/file.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'fs/nfs/file.c') diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 284ca90..3d01b15 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -169,14 +169,18 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { struct inode *inode = file_inode(iocb->ki_filp); + size_t count = iov_length(iov, nr_segs); ssize_t result; + struct iov_iter to; + + iov_iter_init(&to, iov, nr_segs, count, 0); if (iocb->ki_filp->f_flags & O_DIRECT) - return nfs_file_direct_read(iocb, iov, nr_segs, pos, true); + return nfs_file_direct_read(iocb, &to, pos, true); - dprintk("NFS: read(%pD2, %lu@%lu)\n", + dprintk("NFS: read(%pD2, %zu@%lu)\n", iocb->ki_filp, - (unsigned long) iov_length(iov, nr_segs), (unsigned long) pos); + count, (unsigned long) pos); result = nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping); if (!result) { @@ -643,16 +647,18 @@ ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov, unsigned long written = 0; ssize_t result; size_t count = iov_length(iov, nr_segs); + struct iov_iter from; + iov_iter_init(&from, iov, nr_segs, count, 0); result = nfs_key_timeout_notify(file, inode); if (result) return result; if (file->f_flags & O_DIRECT) - return nfs_file_direct_write(iocb, iov, nr_segs, pos, true); + return nfs_file_direct_write(iocb, &from, pos, true); - dprintk("NFS: write(%pD2, %lu@%Ld)\n", - file, (unsigned long) count, (long long) pos); + dprintk("NFS: write(%pD2, %zu@%Ld)\n", + file, count, (long long) pos); result = -EBUSY; if (IS_SWAPFILE(inode)) -- cgit v1.1