提交 4da54c21 编写于 作者: A Al Viro

nfs: switch to iter_splice_write_file()

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 96f9bc8f
......@@ -690,36 +690,6 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)
}
EXPORT_SYMBOL_GPL(nfs_file_write);
ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
struct file *filp, loff_t *ppos,
size_t count, unsigned int flags)
{
struct inode *inode = file_inode(filp);
unsigned long written = 0;
ssize_t ret;
dprintk("NFS splice_write(%pD2, %lu@%llu)\n",
filp, (unsigned long) count, (unsigned long long) *ppos);
/*
* The combination of splice and an O_APPEND destination is disallowed.
*/
ret = generic_file_splice_write(pipe, filp, ppos, count, flags);
if (ret > 0)
written = ret;
if (ret >= 0 && nfs_need_sync_write(filp, inode)) {
int err = vfs_fsync(filp, 0);
if (err < 0)
ret = err;
}
if (ret > 0)
nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, written);
return ret;
}
EXPORT_SYMBOL_GPL(nfs_file_splice_write);
static int
do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
{
......@@ -950,7 +920,7 @@ const struct file_operations nfs_file_operations = {
.lock = nfs_lock,
.flock = nfs_flock,
.splice_read = nfs_file_splice_read,
.splice_write = nfs_file_splice_write,
.splice_write = iter_file_splice_write,
.check_flags = nfs_check_flags,
.setlease = nfs_setlease,
};
......
......@@ -328,8 +328,6 @@ ssize_t nfs_file_write(struct kiocb *, struct iov_iter *);
int nfs_file_release(struct inode *, struct file *);
int nfs_lock(struct file *, int, struct file_lock *);
int nfs_flock(struct file *, int, struct file_lock *);
ssize_t nfs_file_splice_write(struct pipe_inode_info *, struct file *, loff_t *,
size_t, unsigned int);
int nfs_check_flags(int);
int nfs_setlease(struct file *, long, struct file_lock **);
......
......@@ -130,7 +130,7 @@ const struct file_operations nfs4_file_operations = {
.lock = nfs_lock,
.flock = nfs_flock,
.splice_read = nfs_file_splice_read,
.splice_write = nfs_file_splice_write,
.splice_write = iter_file_splice_write,
.check_flags = nfs_check_flags,
.setlease = nfs_setlease,
};
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