/* * after branch manipulating, refresh the file. */ static int refresh_file(struct file *file, int (*reopen)(struct file *file)) { int err, need_reopen; struct dentry *dentry; aufs_bindex_t bend, bindex; dentry = file->f_dentry; err = au_fi_realloc(au_fi(file), au_sbend(dentry->d_sb) + 1); if (unlikely(err)) goto out; au_do_refresh_file(file); err = 0; need_reopen = 1; if (!au_test_mmapped(file)) err = au_file_refresh_by_inode(file, &need_reopen); if (!err && need_reopen && !d_unhashed(dentry)) err = reopen(file); if (!err) { au_update_figen(file); return 0; /* success */ } /* error, close all lower files */ bend = au_fbend(file); for (bindex = au_fbstart(file); bindex <= bend; bindex++) au_set_h_fptr(file, bindex, NULL); out: return err; }
/* * after branch manipulating, refresh the file. */ static int refresh_file(struct file *file, int (*reopen)(struct file *file)) { int err, need_reopen; aufs_bindex_t bend, bindex; struct dentry *dentry; struct au_finfo *finfo; struct au_hfile *hfile; dentry = file->f_dentry; finfo = au_fi(file); if (!finfo->fi_hdir) { hfile = &finfo->fi_htop; AuDebugOn(!hfile->hf_file); bindex = au_br_index(dentry->d_sb, hfile->hf_br->br_id); AuDebugOn(bindex < 0); if (bindex != finfo->fi_btop) au_set_fbstart(file, bindex); } else { err = au_fidir_realloc(finfo, au_sbend(dentry->d_sb) + 1); if (unlikely(err)) goto out; au_do_refresh_dir(file); } err = 0; need_reopen = 1; if (!au_test_mmapped(file)) err = au_file_refresh_by_inode(file, &need_reopen); if (!err && need_reopen && !d_unlinked(dentry)) err = reopen(file); if (!err) { au_update_figen(file); goto out; /* success */ } /* error, close all lower files */ if (finfo->fi_hdir) { bend = au_fbend_dir(file); for (bindex = au_fbstart(file); bindex <= bend; bindex++) au_set_h_fptr(file, bindex, NULL); } out: return err; }