+
+static void cifs_set_ops(struct inode *inode)
+{
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFREG:
+ inode->i_op = &cifs_file_inode_ops;
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+ inode->i_fop = &cifs_file_direct_nobrl_ops;
+ else
+ inode->i_fop = &cifs_file_direct_ops;
+ } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+ inode->i_fop = &cifs_file_nobrl_ops;
+ else { /* not direct, send byte range locks */
+ inode->i_fop = &cifs_file_ops;
+ }
+
+
+ /* check if server can support readpages */
+ if (cifs_sb->tcon->ses->server->maxBuf <
+ PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+ inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
+ else
+ inode->i_data.a_ops = &cifs_addr_ops;
+ break;
+ case S_IFDIR:
+ inode->i_op = &cifs_dir_inode_ops;
+ inode->i_fop = &cifs_dir_ops;
+ break;
+ case S_IFLNK:
+ inode->i_op = &cifs_symlink_inode_ops;
+ break;
+ default:
+ init_special_inode(inode, inode->i_mode, inode->i_rdev);
+ break;
+ }
+}
+
+static void cifs_unix_info_to_inode(struct inode *inode,
+ FILE_UNIX_BASIC_INFO *info, int force_uid_gid)
+{
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifsInodeInfo *cifsInfo = CIFS_I(inode);
+ __u64 num_of_bytes = le64_to_cpu(info->NumOfBytes);
+ __u64 end_of_file = le64_to_cpu(info->EndOfFile);
+
+ inode->i_atime = cifs_NTtimeToUnix(le64_to_cpu(info->LastAccessTime));
+ inode->i_mtime =
+ cifs_NTtimeToUnix(le64_to_cpu(info->LastModificationTime));
+ inode->i_ctime = cifs_NTtimeToUnix(le64_to_cpu(info->LastStatusChange));
+ inode->i_mode = le64_to_cpu(info->Permissions);
+
+ /*
+ * Since we set the inode type below we need to mask off
+ * to avoid strange results if bits set above.
+ */
+ inode->i_mode &= ~S_IFMT;
+ switch (le32_to_cpu(info->Type)) {
+ case UNIX_FILE:
+ inode->i_mode |= S_IFREG;
+ break;
+ case UNIX_SYMLINK:
+ inode->i_mode |= S_IFLNK;
+ break;
+ case UNIX_DIR:
+ inode->i_mode |= S_IFDIR;
+ break;
+ case UNIX_CHARDEV:
+ inode->i_mode |= S_IFCHR;
+ inode->i_rdev = MKDEV(le64_to_cpu(info->DevMajor),
+ le64_to_cpu(info->DevMinor) & MINORMASK);
+ break;
+ case UNIX_BLOCKDEV:
+ inode->i_mode |= S_IFBLK;
+ inode->i_rdev = MKDEV(le64_to_cpu(info->DevMajor),
+ le64_to_cpu(info->DevMinor) & MINORMASK);
+ break;
+ case UNIX_FIFO:
+ inode->i_mode |= S_IFIFO;
+ break;
+ case UNIX_SOCKET:
+ inode->i_mode |= S_IFSOCK;
+ break;
+ default:
+ /* safest to call it a file if we do not know */
+ inode->i_mode |= S_IFREG;
+ cFYI(1, ("unknown type %d", le32_to_cpu(info->Type)));
+ break;
+ }
+
+ if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) &&
+ !force_uid_gid)
+ inode->i_uid = cifs_sb->mnt_uid;
+ else
+ inode->i_uid = le64_to_cpu(info->Uid);
+
+ if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) &&
+ !force_uid_gid)
+ inode->i_gid = cifs_sb->mnt_gid;
+ else
+ inode->i_gid = le64_to_cpu(info->Gid);
+
+ inode->i_nlink = le64_to_cpu(info->Nlinks);
+
+ spin_lock(&inode->i_lock);
+ if (is_size_safe_to_change(cifsInfo, end_of_file)) {
+ /*
+ * We can not safely change the file size here if the client
+ * is writing to it due to potential races.
+ */
+ i_size_write(inode, end_of_file);
+
+ /*
+ * i_blocks is not related to (i_size / i_blksize),
+ * but instead 512 byte (2**9) size is required for
+ * calculating num blocks.
+ */
+ inode->i_blocks = (512 - 1 + num_of_bytes) >> 9;
+ }
+ spin_unlock(&inode->i_lock);
+}
+