119 static void ea_release(struct inode *inode, struct ea_buffer *ea_buf);
426 static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size)  in ea_get()  argument
443 			ea_buf->flag = 0;  in ea_get()
444 			ea_buf->max_size = 0;  in ea_get()
445 			ea_buf->xattr = NULL;  in ea_get()
450 			ea_buf->flag = EA_INLINE | EA_NEW;  in ea_get()
451 			ea_buf->max_size = sizeof (ji->i_inline_ea);  in ea_get()
452 			ea_buf->xattr = (struct jfs_ea_list *) ji->i_inline_ea;  in ea_get()
453 			DXDlength(&ea_buf->new_ea, 0);  in ea_get()
454 			DXDaddress(&ea_buf->new_ea, 0);  in ea_get()
455 			ea_buf->new_ea.flag = DXD_INLINE;  in ea_get()
456 			DXDsize(&ea_buf->new_ea, min_size);  in ea_get()
462 			ea_buf->flag = EA_INLINE;  in ea_get()
463 			ea_buf->max_size = sizeof (ji->i_inline_ea);  in ea_get()
464 			ea_buf->xattr = (struct jfs_ea_list *) ji->i_inline_ea;  in ea_get()
484 		ea_buf->max_size = (size + sb->s_blocksize - 1) &  in ea_get()
487 		ea_buf->xattr = kmalloc(ea_buf->max_size, GFP_KERNEL);  in ea_get()
488 		if (ea_buf->xattr == NULL)  in ea_get()
491 		ea_buf->flag = EA_MALLOC;  in ea_get()
496 		if ((rc = ea_read(inode, ea_buf->xattr))) {  in ea_get()
497 			kfree(ea_buf->xattr);  in ea_get()
498 			ea_buf->xattr = NULL;  in ea_get()
519 		DXDlength(&ea_buf->new_ea, blocks_needed);  in ea_get()
520 		DXDaddress(&ea_buf->new_ea, blkno);  in ea_get()
521 		ea_buf->new_ea.flag = DXD_EXTENT;  in ea_get()
522 		DXDsize(&ea_buf->new_ea, min_size);  in ea_get()
524 		ea_buf->flag = EA_EXTENT | EA_NEW;  in ea_get()
526 		ea_buf->mp = get_metapage(inode, blkno,  in ea_get()
529 		if (ea_buf->mp == NULL) {  in ea_get()
534 		ea_buf->xattr = ea_buf->mp->data;  in ea_get()
535 		ea_buf->max_size = (min_size + sb->s_blocksize - 1) &  in ea_get()
539 		if ((rc = ea_read(inode, ea_buf->xattr))) {  in ea_get()
540 			discard_metapage(ea_buf->mp);  in ea_get()
546 	ea_buf->flag = EA_EXTENT;  in ea_get()
547 	ea_buf->mp = read_metapage(inode, addressDXD(&ji->ea),  in ea_get()
550 	if (ea_buf->mp == NULL) {  in ea_get()
554 	ea_buf->xattr = ea_buf->mp->data;  in ea_get()
555 	ea_buf->max_size = (ea_size + sb->s_blocksize - 1) &  in ea_get()
559 	if (EALIST_SIZE(ea_buf->xattr) != ea_size) {  in ea_get()
562 				     ea_buf->xattr, ea_size, 1);  in ea_get()
563 		ea_release(inode, ea_buf);  in ea_get()
578 static void ea_release(struct inode *inode, struct ea_buffer *ea_buf)  in ea_release()  argument
580 	if (ea_buf->flag & EA_MALLOC)  in ea_release()
581 		kfree(ea_buf->xattr);  in ea_release()
582 	else if (ea_buf->flag & EA_EXTENT) {  in ea_release()
583 		assert(ea_buf->mp);  in ea_release()
584 		release_metapage(ea_buf->mp);  in ea_release()
586 		if (ea_buf->flag & EA_NEW)  in ea_release()
587 			dbFree(inode, addressDXD(&ea_buf->new_ea),  in ea_release()
588 			       lengthDXD(&ea_buf->new_ea));  in ea_release()
592 static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf,  in ea_put()  argument
600 		ea_release(inode, ea_buf);  in ea_put()
601 		ea_buf = NULL;  in ea_put()
602 	} else if (ea_buf->flag & EA_INLINE) {  in ea_put()
605 		ea_buf->new_ea.flag = DXD_INLINE;  in ea_put()
606 		DXDsize(&ea_buf->new_ea, new_size);  in ea_put()
607 		DXDaddress(&ea_buf->new_ea, 0);  in ea_put()
608 		DXDlength(&ea_buf->new_ea, 0);  in ea_put()
609 	} else if (ea_buf->flag & EA_MALLOC) {  in ea_put()
610 		rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);  in ea_put()
611 		kfree(ea_buf->xattr);  in ea_put()
612 	} else if (ea_buf->flag & EA_NEW) {  in ea_put()
614 		flush_metapage(ea_buf->mp);  in ea_put()
617 		rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);  in ea_put()
618 		discard_metapage(ea_buf->mp);  in ea_put()
630 	if (ea_buf) {  in ea_put()
631 		txEA(tid, inode, &ji->ea, &ea_buf->new_ea);  in ea_put()
632 		if (ea_buf->new_ea.flag & DXD_EXTENT) {  in ea_put()
633 			new_blocks = lengthDXD(&ea_buf->new_ea);  in ea_put()
637 		ji->ea = ea_buf->new_ea;  in ea_put()
660 	struct ea_buffer ea_buf;  in __jfs_setxattr()  local
671 	xattr_size = ea_get(inode, &ea_buf, 0);  in __jfs_setxattr()
678 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in __jfs_setxattr()
712 	if (new_size > ea_buf.max_size) {  in __jfs_setxattr()
717 		ea_release(inode, &ea_buf);  in __jfs_setxattr()
718 		xattr_size = ea_get(inode, &ea_buf, new_size);  in __jfs_setxattr()
783 	rc = ea_put(tid, inode, &ea_buf, new_size);  in __jfs_setxattr()
787 	ea_release(inode, &ea_buf);  in __jfs_setxattr()
799 	struct ea_buffer ea_buf;  in __jfs_getxattr()  local
807 	xattr_size = ea_get(inode, &ea_buf, 0);  in __jfs_getxattr()
817 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in __jfs_getxattr()
838 	ea_release(inode, &ea_buf);  in __jfs_getxattr()
863 	struct ea_buffer ea_buf;  in jfs_listxattr()  local
867 	xattr_size = ea_get(inode, &ea_buf, 0);  in jfs_listxattr()
876 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in jfs_listxattr()
902 	ea_release(inode, &ea_buf);  in jfs_listxattr()