*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#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>
/*
* We got LOOKUP lock, but we really need attrs.
*/
- pmode = it->d.lustre.it_lock_mode;
+ pmode = it->it_lock_mode;
if (pmode) {
- plock.cookie = it->d.lustre.it_lock_handle;
- it->d.lustre.it_lock_mode = 0;
- it->d.lustre.it_data = NULL;
+ plock.cookie = it->it_lock_handle;
+ it->it_lock_mode = 0;
+ it->it_request = NULL;
}
LASSERT(fid_is_sane(&body->mbo_fid1));
* maintain dcache consistency. Thus drop UPDATE|PERM lock here
* and put LOOKUP in request.
*/
- if (it->d.lustre.it_lock_mode != 0) {
- it->d.lustre.it_remote_lock_handle =
- it->d.lustre.it_lock_handle;
- it->d.lustre.it_remote_lock_mode = it->d.lustre.it_lock_mode;
+ if (it->it_lock_mode != 0) {
+ it->it_remote_lock_handle =
+ it->it_lock_handle;
+ it->it_remote_lock_mode = it->it_lock_mode;
}
if (pmode) {
- it->d.lustre.it_lock_handle = plock.cookie;
- it->d.lustre.it_lock_mode = pmode;
+ it->it_lock_handle = plock.cookie;
+ it->it_lock_mode = pmode;
}
EXIT;
return rc;
}
-int lmv_revalidate_slaves(struct obd_export *exp, struct mdt_body *mbody,
- struct lmv_stripe_md *lsm,
+int lmv_revalidate_slaves(struct obd_export *exp,
+ const struct lmv_stripe_md *lsm,
ldlm_blocking_callback cb_blocking,
int extra_lock_flags)
{
struct ptlrpc_request *req = NULL;
struct mdt_body *body;
struct md_op_data *op_data;
- unsigned long size = 0;
- unsigned long nlink = 0;
- obd_time atime = 0;
- obd_time ctime = 0;
- obd_time mtime = 0;
int i;
int rc = 0;
op_data->op_fid1 = fid;
op_data->op_fid2 = fid;
- tgt = lmv_locate_mds(lmv, op_data, &fid);
+ tgt = lmv_get_target(lmv, lsm->lsm_md_oinfo[i].lmo_mds, NULL);
if (IS_ERR(tgt))
GOTO(cleanup, rc = PTR_ERR(tgt));
if (rc < 0)
GOTO(cleanup, rc);
- lockh = (struct lustre_handle *)&it.d.lustre.it_lock_handle;
+ lockh = (struct lustre_handle *)&it.it_lock_handle;
if (rc > 0 && req == NULL) {
/* slave inode is still valid */
CDEBUG(D_INODE, "slave "DFID" is still valid.\n",
/* refresh slave from server */
body = req_capsule_server_get(&req->rq_pill,
&RMF_MDT_BODY);
- LASSERT(body != NULL);
- if (unlikely(body->mbo_nlink < 2)) {
- CERROR("%s: nlink %d < 2 corrupt stripe %d "DFID
- ":" DFID"\n",
- obd->obd_name, body->mbo_nlink, i,
- PFID(&lsm->lsm_md_oinfo[i].lmo_fid),
- PFID(&lsm->lsm_md_oinfo[0].lmo_fid));
-
- if (it.d.lustre.it_lock_mode && lockh) {
+ if (body == NULL) {
+ if (it.it_lock_mode && lockh) {
ldlm_lock_decref(lockh,
- it.d.lustre.it_lock_mode);
- it.d.lustre.it_lock_mode = 0;
+ it.it_lock_mode);
+ it.it_lock_mode = 0;
}
-
- GOTO(cleanup, rc = -EIO);
+ GOTO(cleanup, rc = -ENOENT);
}
-
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->cookie, inode, NULL);
-
- size += i_size_read(inode);
-
- if (i != 0)
- nlink += inode->i_nlink - 2;
- else
- nlink += inode->i_nlink;
-
- atime = LTIME_S(inode->i_atime) > atime ?
- LTIME_S(inode->i_atime) : atime;
- ctime = LTIME_S(inode->i_ctime) > ctime ?
- LTIME_S(inode->i_ctime) : ctime;
- mtime = LTIME_S(inode->i_mtime) > mtime ?
- LTIME_S(inode->i_mtime) : mtime;
-
- if (it.d.lustre.it_lock_mode != 0 && lockh != NULL) {
- ldlm_lock_decref(lockh, it.d.lustre.it_lock_mode);
- it.d.lustre.it_lock_mode = 0;
+ md_set_lock_data(tgt->ltd_exp, lockh, inode, NULL);
+ if (it.it_lock_mode != 0 && lockh != NULL) {
+ ldlm_lock_decref(lockh, it.it_lock_mode);
+ it.it_lock_mode = 0;
}
-
- CDEBUG(D_INODE, "i %d "DFID" size %llu, nlink %u, atime "
- "%lu, mtime %lu, ctime %lu.\n", i, PFID(&fid),
- i_size_read(inode), inode->i_nlink,
- LTIME_S(inode->i_atime), LTIME_S(inode->i_mtime),
- LTIME_S(inode->i_ctime));
}
- /*
- * update attr of master request.
- */
- CDEBUG(D_INODE, "Return refreshed attrs: size = %lu nlink %lu atime "
- LPU64 "ctime "LPU64" mtime "LPU64" for " DFID"\n", size, nlink,
- atime, ctime, mtime, PFID(&lsm->lsm_md_oinfo[0].lmo_fid));
-
- if (mbody != NULL) {
- mbody->mbo_atime = atime;
- mbody->mbo_ctime = ctime;
- mbody->mbo_mtime = mtime;
- }
cleanup:
if (req != NULL)
ptlrpc_req_finished(req);
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;
+ if ((it->it_op & IT_CREAT) && !(flags & MDS_OPEN_BY_FID)) {
+ /* don't allow create under dir with bad hash */
+ if (lmv_is_dir_bad_hash(op_data->op_mea1))
+ RETURN(-EBADF);
+
+ if (lmv_is_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, to avoid creating new
+ * file under old layout, check old layout on
+ * client side.
+ */
+ tgt = lmv_locate_tgt(lmv, op_data,
+ &op_data->op_fid1);
+ if (IS_ERR(tgt))
+ RETURN(PTR_ERR(tgt));
+
+ rc = md_getattr_name(tgt->ltd_exp, op_data,
+ reqp);
+ if (!rc) {
+ ptlrpc_req_finished(*reqp);
+ *reqp = NULL;
+ RETURN(-EEXIST);
+ }
+
+ 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));
LASSERT(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, &op_data->op_fid1);
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
}
* Nothing is found, do not access body->fid1 as it is zero and thus
* pointless.
*/
- if ((it->d.lustre.it_disposition & DISP_LOOKUP_NEG) &&
- !(it->d.lustre.it_disposition & DISP_OPEN_CREATE) &&
- !(it->d.lustre.it_disposition & DISP_OPEN_OPEN))
+ if ((it->it_disposition & DISP_LOOKUP_NEG) &&
+ !(it->it_disposition & DISP_OPEN_CREATE) &&
+ !(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)
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))
+retry:
+ tgt = lmv_locate_tgt(lmv, op_data, &op_data->op_fid1);
+ if (IS_ERR(tgt))
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));
- }
-
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_idx);
op_data->op_bias &= ~MDS_CROSS_REF;
/* If RPC happens, lsm information will be revalidated
* during update_inode process (see ll_update_lsm_md) */
if (op_data->op_mea2 != NULL) {
- rc = lmv_revalidate_slaves(exp, NULL, op_data->op_mea2,
+ rc = lmv_revalidate_slaves(exp, op_data->op_mea2,
cb_blocking,
extra_lock_flags);
if (rc != 0)
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->d.lustre.it_data = 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));
-
- op_data->op_fid1 = oinfo->lmo_fid;
- it->d.lustre.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);
- }
+ } 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;
+
+ goto retry;
}
+ if (!it_has_reply_body(it))
+ RETURN(0);
+
/*
* MDS has returned success. Probably name has been resolved in
* remote inode. Let's check this.
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags)
{
- struct obd_device *obd = exp->exp_obd;
- int rc;
+ int rc;
ENTRY;
LASSERT(it != NULL);
(int)op_data->op_namelen, op_data->op_name,
PFID(&op_data->op_fid1));
- rc = lmv_check_connect(obd);
- if (rc)
- RETURN(rc);
-
- if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_LAYOUT))
+ if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_LAYOUT | IT_GETXATTR))
rc = lmv_intent_lookup(exp, op_data, it, reqp, cb_blocking,
extra_lock_flags);
else if (it->it_op & IT_OPEN)
if (rc < 0) {
struct lustre_handle lock_handle;
- if (it->d.lustre.it_lock_mode != 0) {
- lock_handle.cookie = it->d.lustre.it_lock_handle;
- ldlm_lock_decref(&lock_handle,
- it->d.lustre.it_lock_mode);
+ if (it->it_lock_mode != 0) {
+ lock_handle.cookie = it->it_lock_handle;
+ ldlm_lock_decref_and_cancel(&lock_handle,
+ it->it_lock_mode);
}
- it->d.lustre.it_lock_handle = 0;
- it->d.lustre.it_lock_mode = 0;
+ it->it_lock_handle = 0;
+ it->it_lock_mode = 0;
- if (it->d.lustre.it_remote_lock_mode != 0) {
- lock_handle.cookie = it->d.lustre.it_remote_lock_handle;
- ldlm_lock_decref(&lock_handle,
- it->d.lustre.it_remote_lock_mode);
+ if (it->it_remote_lock_mode != 0) {
+ lock_handle.cookie = it->it_remote_lock_handle;
+ ldlm_lock_decref_and_cancel(&lock_handle,
+ it->it_remote_lock_mode);
}
- it->d.lustre.it_remote_lock_handle = 0;
- it->d.lustre.it_remote_lock_mode = 0;
+ it->it_remote_lock_handle = 0;
+ it->it_remote_lock_mode = 0;
}
RETURN(rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff