132 static void ea_release(struct inode *inode, struct ea_buffer *ea_buf);
439 static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size)  in ea_get()  argument
456 			ea_buf->flag = 0;  in ea_get()
457 			ea_buf->max_size = 0;  in ea_get()
458 			ea_buf->xattr = NULL;  in ea_get()
463 			ea_buf->flag = EA_INLINE | EA_NEW;  in ea_get()
464 			ea_buf->max_size = sizeof (ji->i_inline_ea);  in ea_get()
465 			ea_buf->xattr = (struct jfs_ea_list *) ji->i_inline_ea;  in ea_get()
466 			DXDlength(&ea_buf->new_ea, 0);  in ea_get()
467 			DXDaddress(&ea_buf->new_ea, 0);  in ea_get()
468 			ea_buf->new_ea.flag = DXD_INLINE;  in ea_get()
469 			DXDsize(&ea_buf->new_ea, min_size);  in ea_get()
475 			ea_buf->flag = EA_INLINE;  in ea_get()
476 			ea_buf->max_size = sizeof (ji->i_inline_ea);  in ea_get()
477 			ea_buf->xattr = (struct jfs_ea_list *) ji->i_inline_ea;  in ea_get()
497 		ea_buf->max_size = (size + sb->s_blocksize - 1) &  in ea_get()
500 		ea_buf->xattr = kmalloc(ea_buf->max_size, GFP_KERNEL);  in ea_get()
501 		if (ea_buf->xattr == NULL)  in ea_get()
504 		ea_buf->flag = EA_MALLOC;  in ea_get()
509 		if ((rc = ea_read(inode, ea_buf->xattr))) {  in ea_get()
510 			kfree(ea_buf->xattr);  in ea_get()
511 			ea_buf->xattr = NULL;  in ea_get()
532 		DXDlength(&ea_buf->new_ea, blocks_needed);  in ea_get()
533 		DXDaddress(&ea_buf->new_ea, blkno);  in ea_get()
534 		ea_buf->new_ea.flag = DXD_EXTENT;  in ea_get()
535 		DXDsize(&ea_buf->new_ea, min_size);  in ea_get()
537 		ea_buf->flag = EA_EXTENT | EA_NEW;  in ea_get()
539 		ea_buf->mp = get_metapage(inode, blkno,  in ea_get()
542 		if (ea_buf->mp == NULL) {  in ea_get()
547 		ea_buf->xattr = ea_buf->mp->data;  in ea_get()
548 		ea_buf->max_size = (min_size + sb->s_blocksize - 1) &  in ea_get()
552 		if ((rc = ea_read(inode, ea_buf->xattr))) {  in ea_get()
553 			discard_metapage(ea_buf->mp);  in ea_get()
559 	ea_buf->flag = EA_EXTENT;  in ea_get()
560 	ea_buf->mp = read_metapage(inode, addressDXD(&ji->ea),  in ea_get()
563 	if (ea_buf->mp == NULL) {  in ea_get()
567 	ea_buf->xattr = ea_buf->mp->data;  in ea_get()
568 	ea_buf->max_size = (ea_size + sb->s_blocksize - 1) &  in ea_get()
572 	if (EALIST_SIZE(ea_buf->xattr) != ea_size) {  in ea_get()
575 				     ea_buf->xattr, ea_size, 1);  in ea_get()
576 		ea_release(inode, ea_buf);  in ea_get()
591 static void ea_release(struct inode *inode, struct ea_buffer *ea_buf)  in ea_release()  argument
593 	if (ea_buf->flag & EA_MALLOC)  in ea_release()
594 		kfree(ea_buf->xattr);  in ea_release()
595 	else if (ea_buf->flag & EA_EXTENT) {  in ea_release()
596 		assert(ea_buf->mp);  in ea_release()
597 		release_metapage(ea_buf->mp);  in ea_release()
599 		if (ea_buf->flag & EA_NEW)  in ea_release()
600 			dbFree(inode, addressDXD(&ea_buf->new_ea),  in ea_release()
601 			       lengthDXD(&ea_buf->new_ea));  in ea_release()
605 static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf,  in ea_put()  argument
613 		ea_release(inode, ea_buf);  in ea_put()
614 		ea_buf = NULL;  in ea_put()
615 	} else if (ea_buf->flag & EA_INLINE) {  in ea_put()
618 		ea_buf->new_ea.flag = DXD_INLINE;  in ea_put()
619 		DXDsize(&ea_buf->new_ea, new_size);  in ea_put()
620 		DXDaddress(&ea_buf->new_ea, 0);  in ea_put()
621 		DXDlength(&ea_buf->new_ea, 0);  in ea_put()
622 	} else if (ea_buf->flag & EA_MALLOC) {  in ea_put()
623 		rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);  in ea_put()
624 		kfree(ea_buf->xattr);  in ea_put()
625 	} else if (ea_buf->flag & EA_NEW) {  in ea_put()
627 		flush_metapage(ea_buf->mp);  in ea_put()
630 		rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);  in ea_put()
631 		discard_metapage(ea_buf->mp);  in ea_put()
643 	if (ea_buf) {  in ea_put()
644 		txEA(tid, inode, &ji->ea, &ea_buf->new_ea);  in ea_put()
645 		if (ea_buf->new_ea.flag & DXD_EXTENT) {  in ea_put()
646 			new_blocks = lengthDXD(&ea_buf->new_ea);  in ea_put()
650 		ji->ea = ea_buf->new_ea;  in ea_put()
673 	struct ea_buffer ea_buf;  in __jfs_setxattr()  local
684 	xattr_size = ea_get(inode, &ea_buf, 0);  in __jfs_setxattr()
691 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in __jfs_setxattr()
725 	if (new_size > ea_buf.max_size) {  in __jfs_setxattr()
730 		ea_release(inode, &ea_buf);  in __jfs_setxattr()
731 		xattr_size = ea_get(inode, &ea_buf, new_size);  in __jfs_setxattr()
796 	rc = ea_put(tid, inode, &ea_buf, new_size);  in __jfs_setxattr()
800 	ea_release(inode, &ea_buf);  in __jfs_setxattr()
812 	struct ea_buffer ea_buf;  in __jfs_getxattr()  local
820 	xattr_size = ea_get(inode, &ea_buf, 0);  in __jfs_getxattr()
830 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in __jfs_getxattr()
851 	ea_release(inode, &ea_buf);  in __jfs_getxattr()
876 	struct ea_buffer ea_buf;  in jfs_listxattr()  local
880 	xattr_size = ea_get(inode, &ea_buf, 0);  in jfs_listxattr()
889 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in jfs_listxattr()
915 	ea_release(inode, &ea_buf);  in jfs_listxattr()