sendfile: convert nfs to using splice_read()

Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 9eb8eb4..8689b73 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -41,7 +41,9 @@ static int nfs_file_open(struct inode *, struct file *);
 static int nfs_file_release(struct inode *, struct file *);
 static loff_t nfs_file_llseek(struct file *file, loff_t offset, int origin);
 static int  nfs_file_mmap(struct file *, struct vm_area_struct *);
-static ssize_t nfs_file_sendfile(struct file *, loff_t *, size_t, read_actor_t, void *);
+static ssize_t nfs_file_splice_read(struct file *filp, loff_t *ppos,
+                                       struct pipe_inode_info *pipe,
+                                       size_t count, unsigned int flags);
 static ssize_t nfs_file_read(struct kiocb *, const struct iovec *iov,
                                unsigned long nr_segs, loff_t pos);
 static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov,
@@ -65,7 +67,7 @@ const struct file_operations nfs_file_operations = {
        .fsync          = nfs_fsync,
        .lock           = nfs_lock,
        .flock          = nfs_flock,
-       .sendfile       = nfs_file_sendfile,
+       .splice_read    = nfs_file_splice_read,
        .check_flags    = nfs_check_flags,
 };
 
@@ -224,20 +226,21 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
 }
 
 static ssize_t
-nfs_file_sendfile(struct file *filp, loff_t *ppos, size_t count,
-               read_actor_t actor, void *target)
+nfs_file_splice_read(struct file *filp, loff_t *ppos,
+                    struct pipe_inode_info *pipe, size_t count,
+                    unsigned int flags)
 {
        struct dentry *dentry = filp->f_path.dentry;
        struct inode *inode = dentry->d_inode;
        ssize_t res;
 
-       dfprintk(VFS, "nfs: sendfile(%s/%s, %lu@%Lu)\n",
+       dfprintk(VFS, "nfs: splice_read(%s/%s, %lu@%Lu)\n",
                dentry->d_parent->d_name.name, dentry->d_name.name,
                (unsigned long) count, (unsigned long long) *ppos);
 
        res = nfs_revalidate_mapping(inode, filp->f_mapping);
        if (!res)
-               res = generic_file_sendfile(filp, ppos, count, actor, target);
+               res = generic_file_splice_read(filp, ppos, pipe, count, flags);
        return res;
 }