if (rnb == NULL || rnb->rnb_len == 0)
RETURN_EXIT;
- CDEBUG(D_INFO, "Get data buffer along with open, len %i, i_size %llu\n",
- rnb->rnb_len, i_size_read(inode));
+ /* LU-11595: Server may return whole file and that is OK always or
+ * it may return just file tail and its offset must be aligned with
+ * client PAGE_SIZE to be used on that client, if server's PAGE_SIZE is
+ * smaller then offset may be not aligned and that data is just ignored.
+ */
+ if (rnb->rnb_offset % PAGE_SIZE)
+ RETURN_EXIT;
+
+ /* Server returns whole file or just file tail if it fills in
+ * reply buffer, in both cases total size should be inode size.
+ */
+ if (rnb->rnb_offset + rnb->rnb_len < i_size_read(inode)) {
+ CERROR("%s: server returns off/len %llu/%u < i_size %llu\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), rnb->rnb_offset,
+ rnb->rnb_len, i_size_read(inode));
+ RETURN_EXIT;
+ }
+
+ CDEBUG(D_INFO, "Get data along with open at %llu len %i, i_size %llu\n",
+ rnb->rnb_offset, rnb->rnb_len, i_size_read(inode));
data = (char *)rnb + sizeof(*rnb);
static int ll_merge_md_attr(struct inode *inode)
{
+ struct ll_inode_info *lli = ll_i2info(inode);
struct cl_attr attr = { 0 };
int rc;
- LASSERT(ll_i2info(inode)->lli_lsm_md != NULL);
+ LASSERT(lli->lli_lsm_md != NULL);
+ down_read(&lli->lli_lsm_sem);
rc = md_merge_attr(ll_i2mdexp(inode), ll_i2info(inode)->lli_lsm_md,
&attr, ll_md_blocking_ast);
+ up_read(&lli->lli_lsm_sem);
if (rc != 0)
RETURN(rc);
{
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ptlrpc_request *req;
- struct mdt_body *body;
void *lvbdata;
void *lmm;
int lmmsize;
* layout here. Please note that we can't use the LVB buffer in
* completion AST because it doesn't have a large enough buffer */
rc = ll_get_default_mdsize(sbi, &lmmsize);
- if (rc == 0)
- rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode),
- OBD_MD_FLXATTR, XATTR_NAME_LOV, lmmsize, &req);
if (rc < 0)
RETURN(rc);
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- if (body == NULL)
- GOTO(out, rc = -EPROTO);
+ rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode), OBD_MD_FLXATTR,
+ XATTR_NAME_LOV, lmmsize, &req);
+ if (rc < 0)
+ RETURN(rc);
- lmmsize = body->mbo_eadatasize;
+ lmmsize = rc;
+ rc = 0;
if (lmmsize == 0) /* empty layout */
GOTO(out, rc = 0);