linux/zfs/zpl_xattr.c

211 	znode_t *zp = ITOZ(xf->dentry->d_inode);
215 	mutex_enter(&zp->z_lock);
216 	if (zp->z_xattr_cached == NULL)
217 		error = -zfs_sa_get_xattr(zp);
218 	mutex_exit(&zp->z_lock);
223 	ASSERT(zp->z_xattr_cached);
225 	while ((nvp = nvlist_next_nvpair(zp->z_xattr_cached, nvp)) != NULL) {
240 	znode_t *zp = ITOZ(dentry->d_inode);
241 	zfsvfs_t *zfsvfs = ZTOZSB(zp);
249 	if ((error = zpl_enter_verify_zp(zfsvfs, zp, FTAG)) != 0)
251 	rw_enter(&zp->z_xattr_lock, RW_READER);
253 	if (zfsvfs->z_use_sa && zp->z_is_sa) {
266 	rw_exit(&zp->z_xattr_lock);
333 	znode_t *zp = ITOZ(ip);
338 	ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock));
340 	mutex_enter(&zp->z_lock);
341 	if (zp->z_xattr_cached == NULL)
342 		error = -zfs_sa_get_xattr(zp);
343 	mutex_exit(&zp->z_lock);
348 	ASSERT(zp->z_xattr_cached);
349 	error = -nvlist_lookup_byte_array(zp->z_xattr_cached, name,
369 	znode_t *zp = ITOZ(ip);
370 	zfsvfs_t *zfsvfs = ZTOZSB(zp);
373 	ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock));
375 	if (zfsvfs->z_use_sa && zp->z_is_sa) {
396 	znode_t *zp = ITOZ(ip);
397 	zfsvfs_t *zfsvfs = ZTOZSB(zp);
401 	ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock));
404 	if (zfsvfs->z_use_sa && zp->z_is_sa) {
431 	znode_t *zp = ITOZ(ip);
432 	zfsvfs_t *zfsvfs = ZTOZSB(zp);
439 	if ((error = zpl_enter_verify_zp(zfsvfs, zp, FTAG)) != 0)
441 	rw_enter(&zp->z_xattr_lock, RW_READER);
443 	rw_exit(&zp->z_xattr_lock);
541 	znode_t *zp = ITOZ(ip);
546 	mutex_enter(&zp->z_lock);
547 	if (zp->z_xattr_cached == NULL)
548 		error = -zfs_sa_get_xattr(zp);
549 	mutex_exit(&zp->z_lock);
554 	ASSERT(zp->z_xattr_cached);
555 	nvl = zp->z_xattr_cached;
584 		error = -zfs_sa_set_xattr(zp, name, value, size);
588 		zp->z_xattr_cached = NULL;
600 	znode_t *zp = ITOZ(ip);
601 	zfsvfs_t *zfsvfs = ZTOZSB(zp);
609 	if ((error = zpl_enter_verify_zp(zfsvfs, zp, FTAG)) != 0)
611 	rw_enter(&zp->z_xattr_lock, RW_WRITER);
641 	if (zfsvfs->z_use_sa && zp->z_is_sa &&
662 	rw_exit(&zp->z_xattr_lock);