X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdc%2Fmdc_reint.c;h=d09227029db1d6c815f2323acd6343d3104cb392;hb=f98de6c88bbea09960f6019c7ad92a03a2b44913;hp=ee891f3e16da77d359e2bb729d6d0e9f8cf27d6b;hpb=a81b8dba2190f4c6d9536378c43e21ac52ce8023;p=fs%2Flustre-release.git diff --git a/lustre/mdc/mdc_reint.c b/lustre/mdc/mdc_reint.c index ee891f3..d092270 100644 --- a/lustre/mdc/mdc_reint.c +++ b/lustre/mdc/mdc_reint.c @@ -1,7 +1,7 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * Copyright (C) 2001, 2002 Cluster File Systems, Inc. + * Copyright (C) 2001-2003 Cluster File Systems, Inc. * * This file is part of Lustre, http://www.sf.net/projects/lustre/ * @@ -17,196 +17,221 @@ * 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. - * */ -#define EXPORT_SYMTAB - -#include -#include -#include - +#ifndef EXPORT_SYMTAB +# define EXPORT_SYMTAB +#endif #define DEBUG_SUBSYSTEM S_MDC +#ifdef __KERNEL__ +# include +# include +# include +#else +# include +#endif + #include #include -#include +#include "mdc_internal.h" -static int mdc_reint(struct ptlrpc_request *request, int level) +/* mdc_setattr does its own semaphore handling */ +static int mdc_reint(struct ptlrpc_request *request, + struct mdc_rpc_lock *rpc_lock, int level) { int rc; - request->rq_level = level; + - rc = ptlrpc_queue_wait(request); - rc = ptlrpc_check_status(request, rc); + request->rq_send_state = level; + mdc_get_rpc_lock(rpc_lock, NULL); + rc = ptlrpc_queue_wait(request); + mdc_put_rpc_lock(rpc_lock, NULL); if (rc) - CERROR("error in handling %d\n", rc); - + CDEBUG(D_INFO, "error in handling %d\n", rc); + else if (!lustre_swab_repbuf(request, 0, sizeof(struct mds_body), + lustre_swab_mds_body)) { + CERROR ("Can't unpack mds_body\n"); + rc = -EPROTO; + } return rc; } -int mdc_setattr(struct lustre_handle *conn, - struct inode *inode, struct iattr *iattr, +/* If mdc_setattr is called with an 'iattr', then it is a normal RPC that + * should take the normal semaphore and go to the normal portal. + * + * If it is called with iattr->ia_valid & ATTR_FROM_OPEN, then it is a + * magic open-path setattr that should take the setattr semaphore and + * go to the setattr portal. */ +int mdc_setattr(struct obd_export *exp, struct mdc_op_data *data, + struct iattr *iattr, void *ea, int ealen, void *ea2, int ea2len, struct ptlrpc_request **request) { struct ptlrpc_request *req; struct mds_rec_setattr *rec; - int rc, size = sizeof(*rec); + struct mdc_rpc_lock *rpc_lock; + struct obd_device *obd = exp->exp_obd; + int rc, bufcount = 1, size[3] = {sizeof(*rec), ealen, ea2len}; ENTRY; - req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 1, &size, - NULL); - if (!req) + LASSERT(iattr != NULL); + + if (ealen > 0) { + bufcount = 2; + if (ea2len > 0) + bufcount = 3; + } + + req = ptlrpc_prep_req(class_exp2cliimp(exp), MDS_REINT, bufcount, + size, NULL); + if (req == NULL) RETURN(-ENOMEM); - mds_setattr_pack(req, 0, inode, iattr, NULL, 0); + if (iattr->ia_valid & ATTR_FROM_OPEN) { + req->rq_request_portal = MDS_SETATTR_PORTAL; //XXX FIXME bug 249 + rpc_lock = obd->u.cli.cl_setattr_lock; + } else { + rpc_lock = obd->u.cli.cl_rpc_lock; + } - size = sizeof(struct mds_body); - req->rq_replen = lustre_msg_size(1, &size); + if (iattr->ia_valid & (ATTR_MTIME | ATTR_CTIME)) + CDEBUG(D_INODE, "setting mtime %lu, ctime %lu\n", + LTIME_S(iattr->ia_mtime), LTIME_S(iattr->ia_ctime)); + mdc_setattr_pack(req, data, iattr, ea, ealen, ea2, ea2len); - rc = mdc_reint(req, LUSTRE_CONN_FULL); + size[0] = sizeof(struct mds_body); + req->rq_replen = lustre_msg_size(1, size); + + rc = mdc_reint(req, rpc_lock, LUSTRE_IMP_FULL); *request = req; - if (rc == -ERESTARTSYS ) + if (rc == -ERESTARTSYS) rc = 0; RETURN(rc); } -int mdc_create(struct lustre_handle *conn, - struct inode *dir, const char *name, int namelen, - const char *tgt, int tgtlen, int mode, __u32 uid, - __u32 gid, __u64 time, __u64 rdev, struct lov_stripe_md *smd, - struct ptlrpc_request **request) +int mdc_create(struct obd_export *exp, struct mdc_op_data *op_data, + const void *data, int datalen, int mode, __u32 uid, __u32 gid, + __u64 rdev, struct ptlrpc_request **request) { - struct mds_rec_create *rec; + struct obd_device *obd = exp->exp_obd; struct ptlrpc_request *req; - int rc, size[3] = {sizeof(struct mds_rec_create), namelen + 1, 0}; - char *tmp; + int rc, size[3] = {sizeof(struct mds_rec_create), op_data->namelen + 1}; int level, bufcount = 2; ENTRY; - if (S_ISREG(mode)) { - if (!smd) { - CERROR("File create, but no md (%ld, %*s)\n", - dir->i_ino, namelen, name); - LBUG(); - } - size[2] = smd->lmd_mds_easize; - bufcount = 3; - } else if (S_ISLNK(mode)) { - size[2] = tgtlen + 1; - bufcount = 3; + if (data && datalen) { + size[bufcount] = datalen; + bufcount++; } - req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, bufcount, size, - NULL); - if (!req) + req = ptlrpc_prep_req(class_exp2cliimp(exp), MDS_REINT, bufcount, + size, NULL); + if (req == NULL) RETURN(-ENOMEM); - /* mds_create_pack fills msg->bufs[1] with name */ - rec = lustre_msg_buf(req->rq_reqmsg, 0); - mds_create_pack(req, 0, dir, mode, rdev, uid, gid, time, - name, namelen, NULL, 0); - - if (S_ISREG(mode)) { - lov_packmd(lustre_msg_buf(req->rq_reqmsg, 2), smd); - } else if (S_ISLNK(mode)) { - tmp = lustre_msg_buf(req->rq_reqmsg, 2); - LOGL0(tgt, tgtlen, tmp); - } + /* mdc_create_pack fills msg->bufs[1] with name + * and msg->bufs[2] with tgt, for symlinks or lov MD data */ + mdc_create_pack(req, 0, op_data, mode, rdev, data, datalen); size[0] = sizeof(struct mds_body); req->rq_replen = lustre_msg_size(1, size); - level = LUSTRE_CONN_FULL; + level = LUSTRE_IMP_FULL; resend: - rc = mdc_reint(req, level); + rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, level); + /* Resend if we were told to. */ if (rc == -ERESTARTSYS) { - __u32 *opcode = lustre_msg_buf(req->rq_reqmsg, 0); - level = LUSTRE_CONN_RECOVD; - CERROR("Lost reply: re-create rep.\n"); - req->rq_flags = 0; - *opcode = NTOH__u32(REINT_RECREATE); + level = LUSTRE_IMP_RECOVER; goto resend; } + if (!rc) + mdc_store_inode_generation(req, 0, 0); + *request = req; RETURN(rc); } -int mdc_unlink(struct lustre_handle *conn, struct inode *dir, - struct inode *child, __u32 mode, const char *name, int namelen, +int mdc_unlink(struct obd_export *exp, struct mdc_op_data *data, struct ptlrpc_request **request) { - struct ptlrpc_request *req; - int rc, size[2] = {sizeof(struct mds_rec_unlink), namelen + 1}; + struct obd_device *obddev = class_exp2obd(exp); + struct ptlrpc_request *req = *request; + int rc, size[2] = {sizeof(struct mds_rec_unlink), data->namelen + 1}; ENTRY; - req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 2, size, NULL); - if (!req) + LASSERT(req == NULL); + req = ptlrpc_prep_req(class_exp2cliimp(exp), MDS_REINT, 2, size, + NULL); + if (req == NULL) RETURN(-ENOMEM); - - mds_unlink_pack(req, 0, dir, child, mode, name, namelen); + *request = req; size[0] = sizeof(struct mds_body); - req->rq_replen = lustre_msg_size(1, size); + size[1] = obddev->u.cli.cl_max_mds_easize; + size[2] = obddev->u.cli.cl_max_mds_cookiesize; + req->rq_replen = lustre_msg_size(3, size); - rc = mdc_reint(req, LUSTRE_CONN_FULL); - *request = req; + mdc_unlink_pack(req, 0, data); + + rc = mdc_reint(req, obddev->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL); if (rc == -ERESTARTSYS) rc = 0; - RETURN(rc); } -int mdc_link(struct lustre_handle *conn, - struct dentry *src, struct inode *dir, const char *name, - int namelen, struct ptlrpc_request **request) +int mdc_link(struct obd_export *exp, struct mdc_op_data *data, + struct ptlrpc_request **request) { + struct obd_device *obd = exp->exp_obd; struct ptlrpc_request *req; - int rc, size[2] = {sizeof(struct mds_rec_link), namelen + 1}; + int rc, size[2] = {sizeof(struct mds_rec_link), data->namelen + 1}; ENTRY; - req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 2, size, NULL); - if (!req) + req = ptlrpc_prep_req(class_exp2cliimp(exp), MDS_REINT, 2, size, + NULL); + if (req == NULL) RETURN(-ENOMEM); - mds_link_pack(req, 0, src->d_inode, dir, name, namelen); + mdc_link_pack(req, 0, data); size[0] = sizeof(struct mds_body); req->rq_replen = lustre_msg_size(1, size); - rc = mdc_reint(req, LUSTRE_CONN_FULL); + rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL); *request = req; - if (rc == -ERESTARTSYS ) + if (rc == -ERESTARTSYS) rc = 0; RETURN(rc); } -int mdc_rename(struct lustre_handle *conn, - struct inode *src, struct inode *tgt, const char *old, - int oldlen, const char *new, int newlen, +int mdc_rename(struct obd_export *exp, struct mdc_op_data *data, + const char *old, int oldlen, const char *new, int newlen, struct ptlrpc_request **request) { + struct obd_device *obd = exp->exp_obd; struct ptlrpc_request *req; int rc, size[3] = {sizeof(struct mds_rec_rename), oldlen + 1, newlen + 1}; ENTRY; - req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 3, size, NULL); - if (!req) + req = ptlrpc_prep_req(class_exp2cliimp(exp), MDS_REINT, 3, size, + NULL); + if (req == NULL) RETURN(-ENOMEM); - mds_rename_pack(req, 0, src, tgt, old, oldlen, new, newlen); + mdc_rename_pack(req, 0, data, old, oldlen, new, newlen); size[0] = sizeof(struct mds_body); - req->rq_replen = lustre_msg_size(1, size); + size[1] = obd->u.cli.cl_max_mds_easize; + req->rq_replen = lustre_msg_size(2, size); - rc = mdc_reint(req, LUSTRE_CONN_FULL); + rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL); *request = req; - if (rc == -ERESTARTSYS ) + if (rc == -ERESTARTSYS) rc = 0; RETURN(rc);