*
* Copyright (c) 2003 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You may have signed or agreed to another license before downloading
+ * this software. If so, you are bound by the terms and conditions
+ * of that agreement, and the following does not apply to you. See the
+ * LICENSE file included with this distribution for more information.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * If you did not agree to a different license, then this copy of Lustre
+ * is open source software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * In either case, Lustre is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * license text for more details.
*/
-#define DEBUG_SUBSYSTEM S_MDS
+#define DEBUG_SUBSYSTEM S_MDC
#ifndef __KERNEL__
+# include <fcntl.h>
# include <liblustre.h>
#endif
-#include <linux/lustre_idl.h>
-#include <linux/lustre_net.h>
-#include <linux/lustre_mds.h>
-#include <linux/lustre_lite.h>
+#include <lustre/lustre_idl.h>
+#include <lustre_net.h>
+#include "mdc_internal.h"
-void mds_readdir_pack(struct ptlrpc_request *req, __u64 offset, __u32 size,
- obd_id ino, int type, __u64 xid)
+#ifndef __KERNEL__
+/* some liblustre hackings here */
+#ifndef O_DIRECTORY
+#define O_DIRECTORY 0
+#endif
+#endif
+
+void mdc_readdir_pack(struct ptlrpc_request *req, int offset, __u64 pg_off,
+ __u32 size, struct ll_fid *fid)
{
struct mds_body *b;
- b = lustre_msg_buf(req->rq_reqmsg, 0, sizeof (*b));
+ b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
b->fsuid = current->fsuid;
b->fsgid = current->fsgid;
b->capability = current->cap_effective;
- b->fid1.id = ino;
- b->fid1.f_type = type;
- b->size = offset; /* !! */
+ b->fid1 = *fid;
+ b->size = pg_off; /* !! */
b->suppgid = -1;
- b->blocks = xid; /* !! */
b->nlink = size; /* !! */
}
-static void mds_pack_body(struct mds_body *b)
+static void mdc_pack_body(struct mds_body *b)
{
LASSERT (b != NULL);
b->capability = current->cap_effective;
}
-void mds_pack_req_body(struct ptlrpc_request *req)
+void mdc_pack_req_body(struct ptlrpc_request *req, int offset,
+ __u64 valid, struct ll_fid *fid, int ea_size, int flags)
{
- struct mds_body *b = lustre_msg_buf(req->rq_reqmsg, 0, sizeof (*b));
- mds_pack_body(b);
+ struct mds_body *b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
+
+ if (fid)
+ b->fid1 = *fid;
+ b->valid = valid;
+ b->eadatasize = ea_size;
+ b->flags = flags;
+ mdc_pack_body(b);
}
/* packing of MDS records */
-void mds_create_pack(struct ptlrpc_request *req, int offset,
- struct mdc_op_data *op_data,
- __u32 mode, __u64 rdev, __u32 uid, __u32 gid, __u64 time,
- const void *data, int datalen)
+void mdc_create_pack(struct ptlrpc_request *req, int offset,
+ struct mdc_op_data *op_data, const void *data, int datalen,
+ __u32 mode, __u32 uid, __u32 gid, __u32 cap_effective,
+ __u64 rdev)
{
struct mds_rec_create *rec;
char *tmp;
rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
rec->cr_opcode = REINT_CREATE;
- rec->cr_fsuid = current->fsuid;
- rec->cr_fsgid = current->fsgid;
- rec->cr_cap = current->cap_effective;
- ll_ino2fid(&rec->cr_fid, op_data->ino1, op_data->gen1, op_data->typ1);
+ rec->cr_fsuid = uid;
+ rec->cr_fsgid = gid;
+ rec->cr_cap = cap_effective;
+ rec->cr_fid = op_data->fid1;
memset(&rec->cr_replayfid, 0, sizeof(rec->cr_replayfid));
rec->cr_mode = mode;
rec->cr_rdev = rdev;
- rec->cr_uid = uid;
- rec->cr_gid = gid;
- rec->cr_time = time;
- if (in_group_p(op_data->gid1))
- rec->cr_suppgid = op_data->gid1;
- else
- rec->cr_suppgid = -1;
+ rec->cr_time = op_data->mod_time;
+ rec->cr_suppgid = op_data->suppgids[0];
tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, op_data->namelen + 1);
LOGL0(op_data->name, op_data->namelen, tmp);
memcpy (tmp, data, datalen);
}
}
+
+static __u32 mds_pack_open_flags(__u32 flags)
+{
+ __u32 cr_flags = (flags & (FMODE_READ | FMODE_WRITE |
+ MDS_OPEN_DELAY_CREATE | MDS_OPEN_HAS_EA |
+ MDS_OPEN_HAS_OBJS | MDS_OPEN_OWNEROVERRIDE |
+ MDS_OPEN_LOCK));
+ if (flags & O_CREAT)
+ cr_flags |= MDS_OPEN_CREAT;
+ if (flags & O_EXCL)
+ cr_flags |= MDS_OPEN_EXCL;
+ if (flags & O_TRUNC)
+ cr_flags |= MDS_OPEN_TRUNC;
+ if (flags & O_APPEND)
+ cr_flags |= MDS_OPEN_APPEND;
+ if (flags & O_SYNC)
+ cr_flags |= MDS_OPEN_SYNC;
+ if (flags & O_DIRECTORY)
+ cr_flags |= MDS_OPEN_DIRECTORY;
+ if (flags & O_JOIN_FILE)
+ cr_flags |= MDS_OPEN_JOIN_FILE;
+#ifdef FMODE_EXEC
+ if (flags & FMODE_EXEC)
+ cr_flags |= MDS_FMODE_EXEC;
+#endif
+ return cr_flags;
+}
+
/* packing of MDS records */
-void mds_open_pack(struct ptlrpc_request *req, int offset,
- struct mdc_op_data *op_data,
- __u32 mode, __u64 rdev, __u32 uid, __u32 gid, __u64 time,
- __u32 flags,
- const void *data, int datalen)
+void mdc_join_pack(struct ptlrpc_request *req, int offset,
+ struct mdc_op_data *op_data, __u64 head_size)
+{
+ struct mds_rec_join *rec;
+
+ rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*rec));
+ LASSERT(rec != NULL);
+ rec->jr_fid = op_data->fid2;
+ rec->jr_headsize = head_size;
+}
+
+void mdc_open_pack(struct ptlrpc_request *req, int offset,
+ struct mdc_op_data *op_data, __u32 mode, __u64 rdev,
+ __u32 flags, const void *lmm, int lmmlen)
{
struct mds_rec_create *rec;
char *tmp;
rec->cr_fsuid = current->fsuid;
rec->cr_fsgid = current->fsgid;
rec->cr_cap = current->cap_effective;
- ll_ino2fid(&rec->cr_fid, op_data->ino1,
- op_data->gen1, op_data->typ1);
+ rec->cr_fid = op_data->fid1;
memset(&rec->cr_replayfid, 0, sizeof(rec->cr_replayfid));
rec->cr_mode = mode;
- rec->cr_flags = flags;
+ rec->cr_flags = mds_pack_open_flags(flags);
rec->cr_rdev = rdev;
- rec->cr_uid = uid;
- rec->cr_gid = gid;
- rec->cr_time = time;
- if (in_group_p(op_data->gid1))
- rec->cr_suppgid = op_data->gid1;
- else
- rec->cr_suppgid = -1;
+ rec->cr_time = op_data->mod_time;
+ rec->cr_suppgid = op_data->suppgids[0];
- tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, op_data->namelen + 1);
- LOGL0(op_data->name, op_data->namelen, tmp);
+ if (op_data->name) {
+ tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1,
+ op_data->namelen + 1);
+ LOGL0(op_data->name, op_data->namelen, tmp);
+ }
- if (data) {
- tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, datalen);
- memcpy (tmp, data, datalen);
+ if (lmm) {
+ rec->cr_flags |= MDS_OPEN_HAS_EA;
+#ifndef __KERNEL__
+ /*XXX a hack for liblustre to set EA (LL_IOC_LOV_SETSTRIPE) */
+ rec->cr_replayfid = op_data->fid2;
+#endif
+ tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, lmmlen);
+ memcpy (tmp, lmm, lmmlen);
}
}
-void mds_setattr_pack(struct ptlrpc_request *req,
- struct mdc_op_data *data,
- struct iattr *iattr, void *ea, int ealen)
+
+static inline __u64 attr_pack(unsigned int ia_valid) {
+ __u64 sa_valid = 0;
+
+ if (ia_valid & ATTR_MODE)
+ sa_valid |= MDS_ATTR_MODE;
+ if (ia_valid & ATTR_UID)
+ sa_valid |= MDS_ATTR_UID;
+ if (ia_valid & ATTR_GID)
+ sa_valid |= MDS_ATTR_GID;
+ if (ia_valid & ATTR_SIZE)
+ sa_valid |= MDS_ATTR_SIZE;
+ if (ia_valid & ATTR_ATIME)
+ sa_valid |= MDS_ATTR_ATIME;
+ if (ia_valid & ATTR_MTIME)
+ sa_valid |= MDS_ATTR_MTIME;
+ if (ia_valid & ATTR_CTIME)
+ sa_valid |= MDS_ATTR_CTIME;
+ if (ia_valid & ATTR_ATIME_SET)
+ sa_valid |= MDS_ATTR_ATIME_SET;
+ if (ia_valid & ATTR_MTIME_SET)
+ sa_valid |= MDS_ATTR_MTIME_SET;
+ if (ia_valid & ATTR_FORCE)
+ sa_valid |= MDS_ATTR_FORCE;
+ if (ia_valid & ATTR_ATTR_FLAG)
+ sa_valid |= MDS_ATTR_ATTR_FLAG;
+ if (ia_valid & ATTR_KILL_SUID)
+ sa_valid |= MDS_ATTR_KILL_SUID;
+ if (ia_valid & ATTR_KILL_SGID)
+ sa_valid |= MDS_ATTR_KILL_SGID;
+ if (ia_valid & ATTR_CTIME_SET)
+ sa_valid |= MDS_ATTR_CTIME_SET;
+ if (ia_valid & ATTR_FROM_OPEN)
+ sa_valid |= MDS_ATTR_FROM_OPEN;
+ if (ia_valid & MDS_OPEN_OWNEROVERRIDE)
+ /* NFSD hack (see bug 5781) */
+ sa_valid |= MDS_OPEN_OWNEROVERRIDE;
+ return sa_valid;
+}
+
+void mdc_setattr_pack(struct ptlrpc_request *req, int offset,
+ struct mdc_op_data *data, struct iattr *iattr, void *ea,
+ int ealen, void *ea2, int ea2len)
{
- struct mds_rec_setattr *rec = lustre_msg_buf(req->rq_reqmsg, 0,
- sizeof (*rec));
+ struct mds_rec_setattr *rec = lustre_msg_buf(req->rq_reqmsg, offset,
+ sizeof(*rec));
rec->sa_opcode = REINT_SETATTR;
rec->sa_fsuid = current->fsuid;
rec->sa_fsgid = current->fsgid;
rec->sa_cap = current->cap_effective;
- ll_ino2fid(&rec->sa_fid, data->ino1, data->gen1, data->typ1);
+ rec->sa_fid = data->fid1;
+ rec->sa_suppgid = -1;
if (iattr) {
- rec->sa_valid = iattr->ia_valid;
+ rec->sa_valid = attr_pack(iattr->ia_valid);
rec->sa_mode = iattr->ia_mode;
rec->sa_uid = iattr->ia_uid;
rec->sa_gid = iattr->ia_gid;
rec->sa_atime = LTIME_S(iattr->ia_atime);
rec->sa_mtime = LTIME_S(iattr->ia_mtime);
rec->sa_ctime = LTIME_S(iattr->ia_ctime);
- rec->sa_attr_flags = iattr->ia_attr_flags;
-
+ rec->sa_attr_flags =
+ ((struct ll_iattr_struct *)iattr)->ia_attr_flags;
if ((iattr->ia_valid & ATTR_GID) && in_group_p(iattr->ia_gid))
rec->sa_suppgid = iattr->ia_gid;
- else if ((iattr->ia_valid & ATTR_MODE) &&
- in_group_p(data->gid1))
- rec->sa_suppgid = data->gid1;
else
- rec->sa_suppgid = -1;
+ rec->sa_suppgid = data->suppgids[0];
}
- if (ealen != 0)
- memcpy(lustre_msg_buf(req->rq_reqmsg, 1, ealen), ea, ealen);
+ if (ealen == 0)
+ return;
+
+ memcpy(lustre_msg_buf(req->rq_reqmsg, offset + 1, ealen), ea, ealen);
+
+ if (ea2len == 0)
+ return;
+
+ memcpy(lustre_msg_buf(req->rq_reqmsg, offset + 2, ea2len), ea2, ea2len);
}
-void mds_unlink_pack(struct ptlrpc_request *req, int offset,
+void mdc_unlink_pack(struct ptlrpc_request *req, int offset,
struct mdc_op_data *data)
{
struct mds_rec_unlink *rec;
rec->ul_fsuid = current->fsuid;
rec->ul_fsgid = current->fsgid;
rec->ul_cap = current->cap_effective;
- rec->ul_mode = data->mode;
- if (in_group_p(data->gid1))
- rec->ul_suppgid = data->gid1;
- else
- rec->ul_suppgid = -1;
- ll_ino2fid(&rec->ul_fid1, data->ino1, data->gen1, data->typ1);
- if (data->ino2)
- ll_ino2fid(&rec->ul_fid2, data->ino2, data->gen2, data->typ2);
+ rec->ul_mode = data->create_mode;
+ rec->ul_suppgid = data->suppgids[0];
+ rec->ul_fid1 = data->fid1;
+ rec->ul_fid2 = data->fid2;
+ rec->ul_time = data->mod_time;
tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, data->namelen + 1);
LASSERT (tmp != NULL);
LOGL0(data->name, data->namelen, tmp);
}
-void mds_link_pack(struct ptlrpc_request *req, int offset,
+void mdc_link_pack(struct ptlrpc_request *req, int offset,
struct mdc_op_data *data)
{
struct mds_rec_link *rec;
rec->lk_fsuid = current->fsuid;
rec->lk_fsgid = current->fsgid;
rec->lk_cap = current->cap_effective;
- if (in_group_p(data->gid1))
- rec->lk_suppgid1 = data->gid1;
- else
- rec->lk_suppgid1 = -1;
- if (in_group_p(data->gid2))
- rec->lk_suppgid2 = data->gid2;
- else
- rec->lk_suppgid2 = -1;
- ll_ino2fid(&rec->lk_fid1, data->ino1, data->gen1, data->typ1);
- ll_ino2fid(&rec->lk_fid2, data->ino2, data->gen2, data->typ2);
+ rec->lk_suppgid1 = data->suppgids[0];
+ rec->lk_suppgid2 = data->suppgids[1];
+ rec->lk_fid1 = data->fid1;
+ rec->lk_fid2 = data->fid2;
+ rec->lk_time = data->mod_time;
tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, data->namelen + 1);
LOGL0(data->name, data->namelen, tmp);
}
-void mds_rename_pack(struct ptlrpc_request *req, int offset,
+void mdc_rename_pack(struct ptlrpc_request *req, int offset,
struct mdc_op_data *data,
const char *old, int oldlen, const char *new, int newlen)
{
rec->rn_fsuid = current->fsuid;
rec->rn_fsgid = current->fsgid;
rec->rn_cap = current->cap_effective;
- if (in_group_p(data->gid1))
- rec->rn_suppgid1 = data->gid1;
- else
- rec->rn_suppgid1 = -1;
- if (in_group_p(data->gid2))
- rec->rn_suppgid2 = data->gid2;
- else
- rec->rn_suppgid2 = -1;
- ll_ino2fid(&rec->rn_fid1, data->ino1, data->gen1, data->typ1);
- ll_ino2fid(&rec->rn_fid2, data->ino2, data->gen2, data->typ2);
+ rec->rn_suppgid1 = data->suppgids[0];
+ rec->rn_suppgid2 = data->suppgids[1];
+ rec->rn_fid1 = data->fid1;
+ rec->rn_fid2 = data->fid2;
+ rec->rn_time = data->mod_time;
tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, oldlen + 1);
LOGL0(old, oldlen, tmp);
}
}
-void mds_getattr_pack(struct ptlrpc_request *req, int valid, int offset,
+void mdc_getattr_pack(struct ptlrpc_request *req, int offset, __u64 valid,
int flags, struct mdc_op_data *data)
{
struct mds_body *b;
- b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*b));
+ b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
b->fsuid = current->fsuid;
b->fsgid = current->fsgid;
b->capability = current->cap_effective;
b->valid = valid;
- b->flags = flags;
- if (in_group_p(data->gid1))
- b->suppgid = data->gid1;
- else
- b->suppgid = -1;
-
- ll_ino2fid(&b->fid1, data->ino1, data->gen1, data->typ1);
+ b->flags = flags | MDS_BFLAG_EXT_FLAGS;
+ /* skip MDS_BFLAG_EXT_FLAGS to verify the "client < 1.4.7" case
+ * refer to bug 12848.
+ */
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDC_OLD_EXT_FLAGS))
+ b->flags &= ~MDS_BFLAG_EXT_FLAGS;
+ b->suppgid = data->suppgids[0];
+
+ b->fid1 = data->fid1;
+ b->fid2 = data->fid2;
if (data->name) {
char *tmp;
tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1,
data->namelen + 1);
- LOGL0(data->name, data->namelen, tmp);
+ memcpy(tmp, data->name, data->namelen);
+ data->name = tmp;
+ }
+}
+
+void mdc_close_pack(struct ptlrpc_request *req, int offset, struct obdo *oa,
+ __u64 valid, struct obd_client_handle *och)
+{
+ struct mds_body *body;
+
+ body = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*body));
+
+ mdc_pack_fid(&body->fid1, oa->o_id, 0, oa->o_mode);
+ memcpy(&body->handle, &och->och_fh, sizeof(body->handle));
+ if (oa->o_valid & OBD_MD_FLATIME) {
+ body->atime = oa->o_atime;
+ body->valid |= OBD_MD_FLATIME;
+ }
+ if (oa->o_valid & OBD_MD_FLMTIME) {
+ body->mtime = oa->o_mtime;
+ body->valid |= OBD_MD_FLMTIME;
+ }
+ if (oa->o_valid & OBD_MD_FLCTIME) {
+ body->ctime = oa->o_ctime;
+ body->valid |= OBD_MD_FLCTIME;
+ }
+ if (oa->o_valid & OBD_MD_FLSIZE) {
+ body->size = oa->o_size;
+ body->valid |= OBD_MD_FLSIZE;
+ }
+ if (oa->o_valid & OBD_MD_FLBLOCKS) {
+ body->blocks = oa->o_blocks;
+ body->valid |= OBD_MD_FLBLOCKS;
+ }
+ if (oa->o_valid & OBD_MD_FLFLAGS) {
+ body->flags = oa->o_flags;
+ body->valid |= OBD_MD_FLFLAGS;
+ }
+}
+
+struct mdc_cache_waiter {
+ struct list_head mcw_entry;
+ wait_queue_head_t mcw_waitq;
+};
+
+static int mdc_req_avail(struct client_obd *cli, struct mdc_cache_waiter *mcw)
+{
+ int rc;
+ ENTRY;
+ spin_lock(&cli->cl_loi_list_lock);
+ rc = list_empty(&mcw->mcw_entry);
+ spin_unlock(&cli->cl_loi_list_lock);
+ RETURN(rc);
+};
+
+/* We record requests in flight in cli->cl_r_in_flight here.
+ * There is only one write rpc possible in mdc anyway. If this to change
+ * in the future - the code may need to be revisited. */
+void mdc_enter_request(struct client_obd *cli)
+{
+ struct mdc_cache_waiter mcw;
+ struct l_wait_info lwi = { 0 };
+
+ spin_lock(&cli->cl_loi_list_lock);
+ if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
+ list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters);
+ init_waitqueue_head(&mcw.mcw_waitq);
+ spin_unlock(&cli->cl_loi_list_lock);
+ l_wait_event(mcw.mcw_waitq, mdc_req_avail(cli, &mcw), &lwi);
+ } else {
+ cli->cl_r_in_flight++;
+ spin_unlock(&cli->cl_loi_list_lock);
+ }
+}
+
+void mdc_exit_request(struct client_obd *cli)
+{
+ struct list_head *l, *tmp;
+ struct mdc_cache_waiter *mcw;
+
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_r_in_flight--;
+
+ list_for_each_safe(l, tmp, &cli->cl_cache_waiters) {
+ if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
+ /* No free request slots anymore */
+ break;
+ }
+
+ mcw = list_entry(l, struct mdc_cache_waiter, mcw_entry);
+ list_del_init(&mcw->mcw_entry);
+ cli->cl_r_in_flight++;
+ wake_up(&mcw->mcw_waitq);
}
+ /* Empty waiting list? Decrease reqs in-flight number */
+
+ spin_unlock(&cli->cl_loi_list_lock);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff