-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
b->flags = flags;
}
+void mdc_swap_layouts_pack(struct ptlrpc_request *req,
+ struct md_op_data *op_data)
+{
+ struct mdt_body *b = req_capsule_client_get(&req->rq_pill,
+ &RMF_MDT_BODY);
+
+ __mdc_pack_body(b, op_data->op_suppgids[0]);
+ b->fid1 = op_data->op_fid1;
+ b->fid2 = op_data->op_fid2;
+ b->valid |= OBD_MD_FLID;
+
+ mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
+ mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2);
+}
+
void mdc_pack_body(struct ptlrpc_request *req,
const struct lu_fid *fid, struct obd_capa *oc,
__u64 valid, int ea_size, __u32 suppgid, int flags)
const void *data, int datalen, __u32 mode,
__u32 uid, __u32 gid, cfs_cap_t cap_effective, __u64 rdev)
{
- struct mdt_rec_create *rec;
- char *tmp;
-
- CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
- rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
-
-
- rec->cr_opcode = REINT_CREATE;
- rec->cr_fsuid = uid;
- rec->cr_fsgid = gid;
- rec->cr_cap = cap_effective;
- rec->cr_fid1 = op_data->op_fid1;
- rec->cr_fid2 = op_data->op_fid2;
- rec->cr_mode = mode;
- rec->cr_rdev = rdev;
- rec->cr_time = op_data->op_mod_time;
- rec->cr_suppgid1 = op_data->op_suppgids[0];
- rec->cr_suppgid2 = op_data->op_suppgids[1];
- rec->cr_flags = op_data->op_flags & MF_SOM_LOCAL_FLAGS;
- rec->cr_bias = op_data->op_bias;
-
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
-
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
- LOGL0(op_data->op_name, op_data->op_namelen, tmp);
-
- if (data) {
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
- memcpy(tmp, data, datalen);
- }
+ struct mdt_rec_create *rec;
+ char *tmp;
+ __u64 flags;
+
+ CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
+ rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
+
+
+ rec->cr_opcode = REINT_CREATE;
+ rec->cr_fsuid = uid;
+ rec->cr_fsgid = gid;
+ rec->cr_cap = cap_effective;
+ rec->cr_fid1 = op_data->op_fid1;
+ rec->cr_fid2 = op_data->op_fid2;
+ rec->cr_mode = mode;
+ rec->cr_rdev = rdev;
+ rec->cr_time = op_data->op_mod_time;
+ rec->cr_suppgid1 = op_data->op_suppgids[0];
+ rec->cr_suppgid2 = op_data->op_suppgids[1];
+ flags = op_data->op_flags & MF_SOM_LOCAL_FLAGS;
+ if (op_data->op_bias & MDS_CREATE_VOLATILE)
+ flags |= MDS_OPEN_VOLATILE;
+ set_mrc_cr_flags(rec, flags);
+ rec->cr_bias = op_data->op_bias;
+ rec->cr_umask = cfs_curproc_umask();
+
+ mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
+
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ LOGL0(op_data->op_name, op_data->op_namelen, tmp);
+
+ if (data) {
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
+ memcpy(tmp, data, datalen);
+ }
}
-static __u32 mds_pack_open_flags(__u32 flags, __u32 mode)
+static __u64 mds_pack_open_flags(__u32 flags, __u32 mode)
{
- __u32 cr_flags = (flags & (FMODE_READ | FMODE_WRITE |
- MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS |
- MDS_OPEN_OWNEROVERRIDE | MDS_OPEN_LOCK));
+ __u64 cr_flags = (flags & (FMODE_READ | FMODE_WRITE |
+ MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS |
+ MDS_OPEN_OWNEROVERRIDE | MDS_OPEN_LOCK |
+ MDS_OPEN_BY_FID));
if (flags & O_CREAT)
cr_flags |= MDS_OPEN_CREAT;
if (flags & O_EXCL)
if (flags & O_LOV_DELAY_CREATE)
cr_flags |= MDS_OPEN_DELAY_CREATE;
+ if ((flags & O_NOACCESS) || (flags & O_NONBLOCK))
+ cr_flags |= MDS_OPEN_NORESTORE;
+
return cr_flags;
}
/* packing of MDS records */
void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
- __u32 mode, __u64 rdev, __u32 flags, const void *lmm,
- int lmmlen)
+ __u32 mode, __u64 rdev, __u32 flags, const void *lmm,
+ int lmmlen)
{
- struct mdt_rec_create *rec;
- char *tmp;
-
- CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
- rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
-
- /* XXX do something about time, uid, gid */
- rec->cr_opcode = REINT_OPEN;
- rec->cr_fsuid = cfs_curproc_fsuid();
- rec->cr_fsgid = cfs_curproc_fsgid();
- rec->cr_cap = cfs_curproc_cap_pack();
- if (op_data != NULL) {
- rec->cr_fid1 = op_data->op_fid1;
- rec->cr_fid2 = op_data->op_fid2;
- }
- rec->cr_mode = mode;
- rec->cr_flags = mds_pack_open_flags(flags, mode);
- rec->cr_rdev = rdev;
- rec->cr_time = op_data->op_mod_time;
- rec->cr_suppgid1 = op_data->op_suppgids[0];
- rec->cr_suppgid2 = op_data->op_suppgids[1];
- rec->cr_bias = op_data->op_bias;
-
- mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
- /* the next buffer is child capa, which is used for replay,
- * will be packed from the data in reply message. */
-
- if (op_data->op_name) {
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
- LOGL0(op_data->op_name, op_data->op_namelen, tmp);
- }
-
- if (lmm) {
- rec->cr_flags |= MDS_OPEN_HAS_EA;
+ struct mdt_rec_create *rec;
+ char *tmp;
+ __u64 cr_flags;
+
+ CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
+ rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
+
+ /* XXX do something about time, uid, gid */
+ rec->cr_opcode = REINT_OPEN;
+ rec->cr_fsuid = cfs_curproc_fsuid();
+ rec->cr_fsgid = cfs_curproc_fsgid();
+ rec->cr_cap = cfs_curproc_cap_pack();
+ if (op_data != NULL) {
+ rec->cr_fid1 = op_data->op_fid1;
+ rec->cr_fid2 = op_data->op_fid2;
+ }
+ rec->cr_mode = mode;
+ cr_flags = mds_pack_open_flags(flags, mode);
+ rec->cr_rdev = rdev;
+ rec->cr_time = op_data->op_mod_time;
+ rec->cr_suppgid1 = op_data->op_suppgids[0];
+ rec->cr_suppgid2 = op_data->op_suppgids[1];
+ rec->cr_bias = op_data->op_bias;
+ rec->cr_umask = cfs_curproc_umask();
+
+ mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
+ /* the next buffer is child capa, which is used for replay,
+ * will be packed from the data in reply message. */
+
+ if (op_data->op_name) {
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ LOGL0(op_data->op_name, op_data->op_namelen, tmp);
+ if (op_data->op_bias & MDS_CREATE_VOLATILE)
+ cr_flags |= MDS_OPEN_VOLATILE;
+ }
+
+ if (lmm) {
+ cr_flags |= MDS_OPEN_HAS_EA;
#ifndef __KERNEL__
- /*XXX a hack for liblustre to set EA (LL_IOC_LOV_SETSTRIPE) */
- rec->cr_fid2 = op_data->op_fid2;
+ /*XXX a hack for liblustre to set EA (LL_IOC_LOV_SETSTRIPE) */
+ rec->cr_fid2 = op_data->op_fid2;
#endif
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
- memcpy (tmp, lmm, lmmlen);
- }
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
+ memcpy(tmp, lmm, lmmlen);
+ }
+ set_mrc_cr_flags(rec, cr_flags);
}
static inline __u64 attr_pack(unsigned int ia_valid) {
rec->sa_suppgid = op_data->op_attr.ia_gid;
else
rec->sa_suppgid = op_data->op_suppgids[0];
+
+ rec->sa_bias = op_data->op_bias;
}
static void mdc_ioepoch_pack(struct mdt_ioepoch *epoch,
struct mdt_rec_setattr *rec;
struct mdt_ioepoch *epoch;
struct lov_user_md *lum = NULL;
-
+
CLASSERT(sizeof(struct mdt_rec_reint) ==sizeof(struct mdt_rec_setattr));
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
mdc_setattr_pack_rec(rec, op_data);
void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data)
{
- struct mdt_rec_unlink *rec;
- char *tmp;
-
- CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_unlink));
- rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
- LASSERT (rec != NULL);
+ struct mdt_rec_unlink *rec;
+ char *tmp;
+
+ CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_unlink));
+ rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
+ LASSERT(rec != NULL);
- rec->ul_opcode = REINT_UNLINK;
+ rec->ul_opcode = op_data->op_cli_flags & CLI_RM_ENTRY ?
+ REINT_RMENTRY : REINT_UNLINK;
rec->ul_fsuid = op_data->op_fsuid;
rec->ul_fsgid = op_data->op_fsgid;
rec->ul_cap = op_data->op_cap;
}
void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
- struct md_op_data *op_data)
+ struct md_op_data *op_data, int ea_size)
{
struct mdt_body *b = req_capsule_client_get(&req->rq_pill,
&RMF_MDT_BODY);
- b->fsuid = cfs_curproc_fsuid();
- b->fsgid = cfs_curproc_fsgid();
- b->capability = cfs_curproc_cap_pack();
b->valid = valid;
if (op_data->op_bias & MDS_CHECK_SPLIT)
b->valid |= OBD_MD_FLCKSPLIT;
if (op_data->op_bias & MDS_CROSS_REF)
b->valid |= OBD_MD_FLCROSSREF;
+ b->eadatasize = ea_size;
b->flags = flags;
- b->suppgid = op_data->op_suppgids[0];
+ __mdc_pack_body(b, op_data->op_suppgids[0]);
b->fid1 = op_data->op_fid1;
b->fid2 = op_data->op_fid2;
/* 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)
+int mdc_enter_request(struct client_obd *cli)
{
+ int rc = 0;
struct mdc_cache_waiter mcw;
- struct l_wait_info lwi = { 0 };
+ struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL);
client_obd_list_lock(&cli->cl_loi_list_lock);
if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
cfs_list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters);
cfs_waitq_init(&mcw.mcw_waitq);
client_obd_list_unlock(&cli->cl_loi_list_lock);
- l_wait_event(mcw.mcw_waitq, mdc_req_avail(cli, &mcw), &lwi);
+ rc = l_wait_event(mcw.mcw_waitq, mdc_req_avail(cli, &mcw), &lwi);
+ if (rc) {
+ client_obd_list_lock(&cli->cl_loi_list_lock);
+ if (cfs_list_empty(&mcw.mcw_entry))
+ cli->cl_r_in_flight--;
+ cfs_list_del_init(&mcw.mcw_entry);
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+ }
} else {
cli->cl_r_in_flight++;
client_obd_list_unlock(&cli->cl_loi_list_lock);
}
+ return rc;
}
void mdc_exit_request(struct client_obd *cli)
client_obd_list_lock(&cli->cl_loi_list_lock);
cli->cl_r_in_flight--;
cfs_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;
cfs_waitq_signal(&mcw->mcw_waitq);
}
/* Empty waiting list? Decrease reqs in-flight number */
-
+
client_obd_list_unlock(&cli->cl_loi_list_lock);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff