#include <lustre_intent.h>
#include <obd_support.h>
-#include <lustre/lustre_idl.h>
#include <lustre_lib.h>
#include <lustre_net.h>
#include <lustre_dlm.h>
const struct lu_fid *parent_fid,
struct ptlrpc_request **reqp,
ldlm_blocking_callback cb_blocking,
- __u64 extra_lock_flags)
+ __u64 extra_lock_flags,
+ const char *secctx_name, __u32 secctx_name_size)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
LASSERT((body->mbo_valid & OBD_MD_MDS));
/*
- * Unfortunately, we have to lie to MDC/MDS to retrieve
- * attributes llite needs and provideproper locking.
- */
- if (it->it_op & IT_LOOKUP)
- it->it_op = IT_GETATTR;
-
- /*
* We got LOOKUP lock, but we really need attrs.
*/
pmode = it->it_lock_mode;
LASSERT(fid_is_sane(&body->mbo_fid1));
- tgt = lmv_find_target(lmv, &body->mbo_fid1);
+ tgt = lmv_fid2tgt(lmv, &body->mbo_fid1);
if (IS_ERR(tgt))
GOTO(out, rc = PTR_ERR(tgt));
op_data->op_bias = MDS_CROSS_REF;
CDEBUG(D_INODE, "REMOTE_INTENT with fid="DFID" -> mds #%u\n",
- PFID(&body->mbo_fid1), tgt->ltd_idx);
+ PFID(&body->mbo_fid1), tgt->ltd_index);
+
+ /* ask for security context upon intent */
+ if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_OPEN) &&
+ secctx_name_size != 0 && secctx_name != NULL) {
+ op_data->op_file_secctx_name = secctx_name;
+ op_data->op_file_secctx_name_size = secctx_name_size;
+ CDEBUG(D_SEC, "'%.*s' is security xattr to fetch for "
+ DFID"\n",
+ secctx_name_size, secctx_name, PFID(&body->mbo_fid1));
+ }
rc = md_intent_lock(tgt->ltd_exp, op_data, it, &req, cb_blocking,
extra_lock_flags);
ldlm_blocking_callback cb_blocking,
int extra_lock_flags)
{
- struct obd_device *obd = exp->exp_obd;
- struct lmv_obd *lmv = &obd->u.lmv;
- struct ptlrpc_request *req = NULL;
- struct mdt_body *body;
- struct md_op_data *op_data;
- int i;
- int rc = 0;
+ struct obd_device *obd = exp->exp_obd;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ struct ptlrpc_request *req = NULL;
+ struct mdt_body *body;
+ struct md_op_data *op_data;
+ int i;
+ int valid_stripe_count = 0;
+ int rc = 0;
ENTRY;
fid = lsm->lsm_md_oinfo[i].lmo_fid;
inode = lsm->lsm_md_oinfo[i].lmo_root;
+ if (!inode)
+ continue;
+
/*
* Prepare op_data for revalidating. Note that @fid2 shluld be
* defined otherwise it will go to server and take new lock
op_data->op_fid1 = fid;
op_data->op_fid2 = fid;
- tgt = lmv_locate_mds(lmv, op_data, &fid);
- if (IS_ERR(tgt))
- GOTO(cleanup, rc = PTR_ERR(tgt));
+ tgt = lmv_tgt(lmv, lsm->lsm_md_oinfo[i].lmo_mds);
+ if (!tgt)
+ GOTO(cleanup, rc = -ENODEV);
CDEBUG(D_INODE, "Revalidate slave "DFID" -> mds #%u\n",
- PFID(&fid), tgt->ltd_idx);
+ PFID(&fid), tgt->ltd_index);
if (req != NULL) {
ptlrpc_req_finished(req);
rc = md_intent_lock(tgt->ltd_exp, op_data, &it, &req,
cb_blocking, extra_lock_flags);
+ if (rc == -ENOENT) {
+ /* skip stripe is not exists */
+ rc = 0;
+ continue;
+ }
+
if (rc < 0)
GOTO(cleanup, rc);
i_size_write(inode, body->mbo_size);
inode->i_blocks = body->mbo_blocks;
set_nlink(inode, body->mbo_nlink);
- LTIME_S(inode->i_atime) = body->mbo_atime;
- LTIME_S(inode->i_ctime) = body->mbo_ctime;
- LTIME_S(inode->i_mtime) = body->mbo_mtime;
+ inode->i_atime.tv_sec = body->mbo_atime;
+ inode->i_ctime.tv_sec = body->mbo_ctime;
+ inode->i_mtime.tv_sec = body->mbo_mtime;
}
md_set_lock_data(tgt->ltd_exp, lockh, inode, NULL);
ldlm_lock_decref(lockh, it.it_lock_mode);
it.it_lock_mode = 0;
}
+
+ valid_stripe_count++;
}
cleanup:
if (req != NULL)
ptlrpc_req_finished(req);
+ /* if all stripes are invalid, return -ENOENT to notify user */
+ if (!rc && !valid_stripe_count)
+ rc = -ENOENT;
+
OBD_FREE_PTR(op_data);
RETURN(rc);
}
-
/*
* IT_OPEN is intended to open (and create, possible) an object. Parent (pid)
* may be split dir.
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags)
{
- struct obd_device *obd = exp->exp_obd;
- struct lmv_obd *lmv = &obd->u.lmv;
- struct lmv_tgt_desc *tgt;
- struct mdt_body *body;
- int rc;
+ struct obd_device *obd = exp->exp_obd;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ struct lmv_tgt_desc *tgt;
+ struct mdt_body *body;
+ __u64 flags = it->it_flags;
+ int rc;
+
ENTRY;
+ /* do not allow file creation in foreign dir */
+ if ((it->it_op & IT_CREAT) && lmv_dir_foreign(op_data->op_mea1))
+ RETURN(-ENODATA);
+
+ if ((it->it_op & IT_CREAT) && !(flags & MDS_OPEN_BY_FID)) {
+ /* don't allow create under dir with bad hash */
+ if (lmv_dir_bad_hash(op_data->op_mea1))
+ RETURN(-EBADF);
+
+ if (lmv_dir_migrating(op_data->op_mea1)) {
+ if (flags & O_EXCL) {
+ /*
+ * open(O_CREAT | O_EXCL) needs to check
+ * existing name, which should be done on both
+ * old and new layout, check old layout on
+ * client side.
+ */
+ rc = lmv_migrate_existence_check(lmv, op_data);
+ if (rc != -ENOENT)
+ RETURN(rc);
+
+ op_data->op_post_migrate = true;
+ } else {
+ /*
+ * open(O_CREAT) will be sent to MDT in old
+ * layout first, to avoid creating new file
+ * under old layout, clear O_CREAT.
+ */
+ it->it_flags &= ~O_CREAT;
+ }
+ }
+ }
+
+retry:
if (it->it_flags & MDS_OPEN_BY_FID) {
LASSERT(fid_is_sane(&op_data->op_fid2));
/* for striped directory, we can't know parent stripe fid
* without name, but we can set it to child fid, and MDT
* will obtain it from linkea in open in such case. */
- if (op_data->op_mea1 != NULL)
+ if (lmv_dir_striped(op_data->op_mea1))
op_data->op_fid1 = op_data->op_fid2;
- tgt = lmv_find_target(lmv, &op_data->op_fid2);
+ tgt = lmv_fid2tgt(lmv, &op_data->op_fid2);
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- op_data->op_mds = tgt->ltd_idx;
+ op_data->op_mds = tgt->ltd_index;
} else {
LASSERT(fid_is_sane(&op_data->op_fid1));
- LASSERT(fid_is_zero(&op_data->op_fid2));
+ LASSERT(it->it_flags & MDS_OPEN_PCC ||
+ fid_is_zero(&op_data->op_fid2));
LASSERT(op_data->op_name != NULL);
- tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1);
+ tgt = lmv_locate_tgt(lmv, op_data);
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
}
/* If it is ready to open the file by FID, do not need
* allocate FID at all, otherwise it will confuse MDT */
- if ((it->it_op & IT_CREAT) && !(it->it_flags & MDS_OPEN_BY_FID)) {
+ if ((it->it_op & IT_CREAT) && !(it->it_flags & MDS_OPEN_BY_FID ||
+ it->it_flags & MDS_OPEN_PCC)) {
/*
* For lookup(IT_CREATE) cases allocate new fid and setup FLD
* for it.
CDEBUG(D_INODE, "OPEN_INTENT with fid1="DFID", fid2="DFID","
" name='%s' -> mds #%u\n", PFID(&op_data->op_fid1),
- PFID(&op_data->op_fid2), op_data->op_name, tgt->ltd_idx);
+ PFID(&op_data->op_fid2), op_data->op_name, tgt->ltd_index);
rc = md_intent_lock(tgt->ltd_exp, op_data, it, reqp, cb_blocking,
extra_lock_flags);
*/
if ((it->it_disposition & DISP_LOOKUP_NEG) &&
!(it->it_disposition & DISP_OPEN_CREATE) &&
- !(it->it_disposition & DISP_OPEN_OPEN))
+ !(it->it_disposition & DISP_OPEN_OPEN)) {
+ if (!(it->it_flags & MDS_OPEN_BY_FID) &&
+ lmv_dir_retry_check_update(op_data)) {
+ ptlrpc_req_finished(*reqp);
+ it->it_request = NULL;
+ it->it_disposition = 0;
+ *reqp = NULL;
+
+ it->it_flags = flags;
+ fid_zero(&op_data->op_fid2);
+ goto retry;
+ }
+
RETURN(rc);
+ }
body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY);
if (body == NULL)
/* Not cross-ref case, just get out of here. */
if (unlikely((body->mbo_valid & OBD_MD_MDS))) {
rc = lmv_intent_remote(exp, it, &op_data->op_fid1, reqp,
- cb_blocking, extra_lock_flags);
+ cb_blocking, extra_lock_flags,
+ op_data->op_file_secctx_name,
+ op_data->op_file_secctx_name_size);
if (rc != 0)
RETURN(rc);
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags)
{
- struct obd_device *obd = exp->exp_obd;
- struct lmv_obd *lmv = &obd->u.lmv;
- struct lmv_tgt_desc *tgt = NULL;
- struct mdt_body *body;
- struct lmv_stripe_md *lsm = op_data->op_mea1;
- int rc = 0;
+ struct obd_device *obd = exp->exp_obd;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ struct lmv_tgt_desc *tgt = NULL;
+ struct mdt_body *body;
+ int rc;
ENTRY;
- /* If it returns ERR_PTR(-EBADFD) then it is an unknown hash type
- * it will try all stripes to locate the object */
- tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1);
- if (IS_ERR(tgt) && (PTR_ERR(tgt) != -EBADFD))
- RETURN(PTR_ERR(tgt));
-
- /* Both migrating dir and unknown hash dir need to try
- * all of sub-stripes */
- if (lsm != NULL && !lmv_is_known_hash_type(lsm->lsm_md_hash_type)) {
- struct lmv_oinfo *oinfo;
-
- oinfo = &lsm->lsm_md_oinfo[0];
-
- op_data->op_fid1 = oinfo->lmo_fid;
- op_data->op_mds = oinfo->lmo_mds;
- tgt = lmv_get_target(lmv, oinfo->lmo_mds, NULL);
- if (IS_ERR(tgt))
- RETURN(PTR_ERR(tgt));
+ /* foreign dir is not striped */
+ if (lmv_dir_foreign(op_data->op_mea1)) {
+ /* only allow getattr/lookup for itself */
+ if (op_data->op_name != NULL)
+ RETURN(-ENODATA);
+ RETURN(0);
}
+retry:
+ tgt = lmv_locate_tgt(lmv, op_data);
+ if (IS_ERR(tgt))
+ RETURN(PTR_ERR(tgt));
+
if (!fid_is_sane(&op_data->op_fid2))
fid_zero(&op_data->op_fid2);
CDEBUG(D_INODE, "LOOKUP_INTENT with fid1="DFID", fid2="DFID
- ", name='%s' -> mds #%u lsm=%p lsm_magic=%x\n",
+ ", name='%s' -> mds #%u\n",
PFID(&op_data->op_fid1), PFID(&op_data->op_fid2),
op_data->op_name ? op_data->op_name : "<NULL>",
- tgt->ltd_idx, lsm, lsm == NULL ? -1 : lsm->lsm_md_magic);
+ tgt->ltd_index);
op_data->op_bias &= ~MDS_CROSS_REF;
if (*reqp == NULL) {
/* If RPC happens, lsm information will be revalidated
* during update_inode process (see ll_update_lsm_md) */
- if (op_data->op_mea2 != NULL) {
+ if (lmv_dir_striped(op_data->op_mea2)) {
rc = lmv_revalidate_slaves(exp, op_data->op_mea2,
cb_blocking,
extra_lock_flags);
RETURN(rc);
}
RETURN(rc);
- } else if (it_disposition(it, DISP_LOOKUP_NEG) && lsm != NULL &&
- lmv_need_try_all_stripes(lsm)) {
- /* For migrating and unknown hash type directory, it will
- * try to target the entry on other stripes */
- int stripe_index;
-
- for (stripe_index = 1;
- stripe_index < lsm->lsm_md_stripe_count &&
- it_disposition(it, DISP_LOOKUP_NEG); stripe_index++) {
- struct lmv_oinfo *oinfo;
-
- /* release the previous request */
- ptlrpc_req_finished(*reqp);
- it->it_request = NULL;
- *reqp = NULL;
-
- oinfo = &lsm->lsm_md_oinfo[stripe_index];
- tgt = lmv_find_target(lmv, &oinfo->lmo_fid);
- if (IS_ERR(tgt))
- RETURN(PTR_ERR(tgt));
-
- CDEBUG(D_INODE, "Try other stripes " DFID"\n",
- PFID(&oinfo->lmo_fid));
+ } else if (it_disposition(it, DISP_LOOKUP_NEG) &&
+ lmv_dir_retry_check_update(op_data)) {
+ ptlrpc_req_finished(*reqp);
+ it->it_request = NULL;
+ it->it_disposition = 0;
+ *reqp = NULL;
- op_data->op_fid1 = oinfo->lmo_fid;
- it->it_disposition &= ~DISP_ENQ_COMPLETE;
- rc = md_intent_lock(tgt->ltd_exp, op_data, it, reqp,
- cb_blocking, extra_lock_flags);
- if (rc != 0)
- RETURN(rc);
- }
+ goto retry;
}
if (!it_has_reply_body(it))
/* Not cross-ref case, just get out of here. */
if (unlikely((body->mbo_valid & OBD_MD_MDS))) {
rc = lmv_intent_remote(exp, it, NULL, reqp, cb_blocking,
- extra_lock_flags);
+ extra_lock_flags,
+ op_data->op_file_secctx_name,
+ op_data->op_file_secctx_name_size);
if (rc != 0)
RETURN(rc);
body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff