ceph: d_alloc_root() may fail

[~andy/linux] / fs / file_table.c

diff --git a/fs/file_table.c b/fs/file_table.c
index c322794f7360c2065edc871a0fa91f2333ed6423..20002e39754ddc91ee92517c9b38f8215f004afa 100644 (file)
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -474,29 +474,6 @@ void file_sb_list_del(struct file *file)
 
 #endif
 
-int fs_may_remount_ro(struct super_block *sb)
-{
-       struct file *file;
-       /* Check that no files are currently opened for writing. */
-       lg_global_lock(files_lglock);
-       do_file_list_for_each_entry(sb, file) {
-               struct inode *inode = file->f_path.dentry->d_inode;
-
-               /* File with pending delete? */
-               if (inode->i_nlink == 0)
-                       goto too_bad;
-
-               /* Writeable file? */
-               if (S_ISREG(inode->i_mode) && (file->f_mode & FMODE_WRITE))
-                       goto too_bad;
-       } while_file_list_for_each_entry;
-       lg_global_unlock(files_lglock);
-       return 1; /* Tis' cool bro. */
-too_bad:
-       lg_global_unlock(files_lglock);
-       return 0;
-}
-
 /**
  *     mark_files_ro - mark all files read-only
  *     @sb: superblock in question