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Subject[PATCH 8/18] sendfile: convert nfs to using splice_read()
Date
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
fs/nfs/file.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 9eb8eb4..8689b73 100644
--- 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;
}

--
1.5.2.1.174.gcd03
-
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