145 static void ea_release(struct inode *inode, struct ea_buffer *ea_buf);
442 static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size)  in ea_get()  argument
458 			ea_buf->flag = 0;  in ea_get()
459 			ea_buf->max_size = 0;  in ea_get()
460 			ea_buf->xattr = NULL;  in ea_get()
465 			ea_buf->flag = EA_INLINE | EA_NEW;  in ea_get()
466 			ea_buf->max_size = sizeof (ji->i_inline_ea);  in ea_get()
467 			ea_buf->xattr = (struct jfs_ea_list *) ji->i_inline_ea;  in ea_get()
468 			DXDlength(&ea_buf->new_ea, 0);  in ea_get()
469 			DXDaddress(&ea_buf->new_ea, 0);  in ea_get()
470 			ea_buf->new_ea.flag = DXD_INLINE;  in ea_get()
471 			DXDsize(&ea_buf->new_ea, min_size);  in ea_get()
477 			ea_buf->flag = EA_INLINE;  in ea_get()
478 			ea_buf->max_size = sizeof (ji->i_inline_ea);  in ea_get()
479 			ea_buf->xattr = (struct jfs_ea_list *) ji->i_inline_ea;  in ea_get()
498 		ea_buf->xattr = kmalloc(size, GFP_KERNEL);  in ea_get()
499 		if (ea_buf->xattr == NULL)  in ea_get()
502 		ea_buf->flag = EA_MALLOC;  in ea_get()
503 		ea_buf->max_size = (size + sb->s_blocksize - 1) &  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()
525 		DXDlength(&ea_buf->new_ea, blocks_needed);  in ea_get()
526 		DXDaddress(&ea_buf->new_ea, blkno);  in ea_get()
527 		ea_buf->new_ea.flag = DXD_EXTENT;  in ea_get()
528 		DXDsize(&ea_buf->new_ea, min_size);  in ea_get()
530 		ea_buf->flag = EA_EXTENT | EA_NEW;  in ea_get()
532 		ea_buf->mp = get_metapage(inode, blkno,  in ea_get()
535 		if (ea_buf->mp == NULL) {  in ea_get()
539 		ea_buf->xattr = ea_buf->mp->data;  in ea_get()
540 		ea_buf->max_size = (min_size + sb->s_blocksize - 1) &  in ea_get()
544 		if ((rc = ea_read(inode, ea_buf->xattr))) {  in ea_get()
545 			discard_metapage(ea_buf->mp);  in ea_get()
551 	ea_buf->flag = EA_EXTENT;  in ea_get()
552 	ea_buf->mp = read_metapage(inode, addressDXD(&ji->ea),  in ea_get()
555 	if (ea_buf->mp == NULL)  in ea_get()
557 	ea_buf->xattr = ea_buf->mp->data;  in ea_get()
558 	ea_buf->max_size = (ea_size + sb->s_blocksize - 1) &  in ea_get()
562 	if (EALIST_SIZE(ea_buf->xattr) != ea_size) {  in ea_get()
564 		dump_mem("xattr", ea_buf->xattr, ea_size);  in ea_get()
565 		ea_release(inode, ea_buf);  in ea_get()
572 static void ea_release(struct inode *inode, struct ea_buffer *ea_buf)  in ea_release()  argument
574 	if (ea_buf->flag & EA_MALLOC)  in ea_release()
575 		kfree(ea_buf->xattr);  in ea_release()
576 	else if (ea_buf->flag & EA_EXTENT) {  in ea_release()
577 		assert(ea_buf->mp);  in ea_release()
578 		release_metapage(ea_buf->mp);  in ea_release()
580 		if (ea_buf->flag & EA_NEW)  in ea_release()
581 			dbFree(inode, addressDXD(&ea_buf->new_ea),  in ea_release()
582 			       lengthDXD(&ea_buf->new_ea));  in ea_release()
586 static int ea_put(struct inode *inode, struct ea_buffer *ea_buf, int new_size)  in ea_put()  argument
594 		ea_release(inode, ea_buf);  in ea_put()
595 		ea_buf = 0;  in ea_put()
596 	} else if (ea_buf->flag & EA_INLINE) {  in ea_put()
599 		ea_buf->new_ea.flag = DXD_INLINE;  in ea_put()
600 		DXDsize(&ea_buf->new_ea, new_size);  in ea_put()
601 		DXDaddress(&ea_buf->new_ea, 0);  in ea_put()
602 		DXDlength(&ea_buf->new_ea, 0);  in ea_put()
603 	} else if (ea_buf->flag & EA_MALLOC) {  in ea_put()
604 		rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);  in ea_put()
605 		kfree(ea_buf->xattr);  in ea_put()
606 	} else if (ea_buf->flag & EA_NEW) {  in ea_put()
608 		flush_metapage(ea_buf->mp);  in ea_put()
611 		rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);  in ea_put()
612 		discard_metapage(ea_buf->mp);  in ea_put()
627 	if (ea_buf) {  in ea_put()
628 		txEA(tid, inode, &ji->ea, &ea_buf->new_ea);  in ea_put()
629 		if (ea_buf->new_ea.flag & DXD_EXTENT) {  in ea_put()
630 			new_blocks = lengthDXD(&ea_buf->new_ea);  in ea_put()
634 		ji->ea = ea_buf->new_ea;  in ea_put()
676 	struct ea_buffer ea_buf;  in __jfs_setxattr()  local
699 	xattr_size = ea_get(inode, &ea_buf, 0);  in __jfs_setxattr()
706 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in __jfs_setxattr()
740 	if (new_size > ea_buf.max_size) {  in __jfs_setxattr()
745 		ea_release(inode, &ea_buf);  in __jfs_setxattr()
746 		xattr_size = ea_get(inode, &ea_buf, new_size);  in __jfs_setxattr()
798 	rc = ea_put(inode, &ea_buf, new_size);  in __jfs_setxattr()
802 	ea_release(inode, &ea_buf);  in __jfs_setxattr()
833 	struct ea_buffer ea_buf;  in __jfs_getxattr()  local
854 	xattr_size = ea_get(inode, &ea_buf, 0);  in __jfs_getxattr()
863 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in __jfs_getxattr()
884 	ea_release(inode, &ea_buf);  in __jfs_getxattr()
906 	struct ea_buffer ea_buf;  in jfs_listxattr()  local
908 	xattr_size = ea_get(inode, &ea_buf, 0);  in jfs_listxattr()
917 	ealist = (struct jfs_ea_list *) ea_buf.xattr;  in jfs_listxattr()
939 	ea_release(inode, &ea_buf);  in jfs_listxattr()