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nfs: switch to ->read_iter()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-04-02 20:14:12 -04:00
parent a886038baa
commit 3aa2d199f8
3 changed files with 9 additions and 14 deletions
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17
fs/nfs/file.c
View File

@ -165,26 +165,21 @@ nfs_file_flush(struct file *file, fl_owner_t id)
EXPORT_SYMBOL_GPL(nfs_file_flush);
ssize_t
nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
nfs_file_read(struct kiocb *iocb, struct iov_iter *to)
{
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, READ, iov, nr_segs, count);
if (iocb->ki_filp->f_flags & O_DIRECT)
return nfs_file_direct_read(iocb, &to, pos, true);
return nfs_file_direct_read(iocb, to, iocb->ki_pos, true);
dprintk("NFS: read(%pD2, %zu@%lu)\n",
iocb->ki_filp,
count, (unsigned long) pos);
iov_iter_count(to), (unsigned long) iocb->ki_pos);
result = nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping);
if (!result) {
result = generic_file_read_iter(iocb, &to);
result = generic_file_read_iter(iocb, to);
if (result > 0)
nfs_add_stats(inode, NFSIOS_NORMALREADBYTES, result);
}
@ -945,9 +940,9 @@ EXPORT_SYMBOL_GPL(nfs_setlease);
const struct file_operations nfs_file_operations = {
.llseek = nfs_file_llseek,
.read = do_sync_read,
.read = new_sync_read,
.write = do_sync_write,
.aio_read = nfs_file_read,
.read_iter = nfs_file_read,
.aio_write = nfs_file_write,
.mmap = nfs_file_mmap,
.open = nfs_file_open,

2
fs/nfs/internal.h
View File

@ -320,7 +320,7 @@ int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *)
int nfs_file_fsync_commit(struct file *, loff_t, loff_t, int);
loff_t nfs_file_llseek(struct file *, loff_t, int);
int nfs_file_flush(struct file *, fl_owner_t);
ssize_t nfs_file_read(struct kiocb *, const struct iovec *, unsigned long, loff_t);
ssize_t nfs_file_read(struct kiocb *, struct iov_iter *);
ssize_t nfs_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *,
size_t, unsigned int);
int nfs_file_mmap(struct file *, struct vm_area_struct *);

4
fs/nfs/nfs4file.c
View File

@ -118,9 +118,9 @@ nfs4_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
const struct file_operations nfs4_file_operations = {
.llseek = nfs_file_llseek,
.read = do_sync_read,
.read = new_sync_read,
.write = do_sync_write,
.aio_read = nfs_file_read,
.read_iter = nfs_file_read,
.aio_write = nfs_file_write,
.mmap = nfs_file_mmap,
.open = nfs4_file_open,