Merge tag 'nfs-for-4.10-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

[linux] / fs / nfs / file.c

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index ca699dd..157cb43 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -101,18 +101,11 @@ EXPORT_SYMBOL_GPL(nfs_file_release);
 static int nfs_revalidate_file_size(struct inode *inode, struct file *filp)
 {
        struct nfs_server *server = NFS_SERVER(inode);
-       struct nfs_inode *nfsi = NFS_I(inode);
-
-       if (nfs_have_delegated_attributes(inode))
-               goto out_noreval;
 
        if (filp->f_flags & O_DIRECT)
                goto force_reval;
-       if (nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE)
-               goto force_reval;
-       if (nfs_attribute_timeout(inode))
+       if (nfs_check_cache_invalid(inode, NFS_INO_REVAL_PAGECACHE))
                goto force_reval;
-out_noreval:
        return 0;
 force_reval:
        return __nfs_revalidate_inode(server, inode);
@@ -182,29 +175,6 @@ nfs_file_read(struct kiocb *iocb, struct iov_iter *to)
 }
 EXPORT_SYMBOL_GPL(nfs_file_read);
 
-ssize_t
-nfs_file_splice_read(struct file *filp, loff_t *ppos,
-                    struct pipe_inode_info *pipe, size_t count,
-                    unsigned int flags)
-{
-       struct inode *inode = file_inode(filp);
-       ssize_t res;
-
-       dprintk("NFS: splice_read(%pD2, %lu@%Lu)\n",
-               filp, (unsigned long) count, (unsigned long long) *ppos);
-
-       nfs_start_io_read(inode);
-       res = nfs_revalidate_mapping(inode, filp->f_mapping);
-       if (!res) {
-               res = generic_file_splice_read(filp, ppos, pipe, count, flags);
-               if (res > 0)
-                       nfs_add_stats(inode, NFSIOS_NORMALREADBYTES, res);
-       }
-       nfs_end_io_read(inode);
-       return res;
-}
-EXPORT_SYMBOL_GPL(nfs_file_splice_read);
-
 int
 nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
 {
@@ -397,7 +367,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
         */
        if (!PageUptodate(page)) {
                unsigned pglen = nfs_page_length(page);
-               unsigned end = offset + len;
+               unsigned end = offset + copied;
 
                if (pglen == 0) {
                        zero_user_segments(page, 0, offset,
@@ -543,7 +513,9 @@ const struct address_space_operations nfs_file_aops = {
        .invalidatepage = nfs_invalidate_page,
        .releasepage = nfs_release_page,
        .direct_IO = nfs_direct_IO,
+#ifdef CONFIG_MIGRATION
        .migratepage = nfs_migrate_page,
+#endif
        .launder_page = nfs_launder_page,
        .is_dirty_writeback = nfs_check_dirty_writeback,
        .error_remove_page = generic_error_remove_page,
@@ -708,11 +680,6 @@ out_noconflict:
        goto out;
 }
 
-static int do_vfs_lock(struct file *file, struct file_lock *fl)
-{
-       return locks_lock_file_wait(file, fl);
-}
-
 static int
 do_unlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
 {
@@ -745,7 +712,7 @@ do_unlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
        if (!is_local)
                status = NFS_PROTO(inode)->lock(filp, cmd, fl);
        else
-               status = do_vfs_lock(filp, fl);
+               status = locks_lock_file_wait(filp, fl);
        return status;
 }
 
@@ -770,7 +737,7 @@ do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
        if (!is_local)
                status = NFS_PROTO(inode)->lock(filp, cmd, fl);
        else
-               status = do_vfs_lock(filp, fl);
+               status = locks_lock_file_wait(filp, fl);
        if (status < 0)
                goto out;
 
@@ -871,7 +838,7 @@ const struct file_operations nfs_file_operations = {
        .fsync          = nfs_file_fsync,
        .lock           = nfs_lock,
        .flock          = nfs_flock,
-       .splice_read    = nfs_file_splice_read,
+       .splice_read    = generic_file_splice_read,
        .splice_write   = iter_file_splice_write,
        .check_flags    = nfs_check_flags,
        .setlease       = simple_nosetlease,