#define DEBUG_SUBSYSTEM S_OSC
#ifdef __KERNEL__
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/lustre_dlm.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-#include <linux/workqueue.h>
-#include <linux/smp_lock.h>
-#else
-#include <linux/locks.h>
-#endif
-#else
-#include <liblustre.h>
+# include <linux/version.h>
+# include <linux/module.h>
+# include <linux/mm.h>
+# include <linux/highmem.h>
+# include <linux/lustre_dlm.h>
+# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+# include <linux/workqueue.h>
+# include <linux/smp_lock.h>
+# else
+# include <linux/locks.h>
+# endif
+#else /* __KERNEL__ */
+# include <liblustre.h>
#endif
#include <linux/kp30.h>
#include <linux/lustre_mds.h> /* for mds_objid */
#include <linux/lustre_otree.h>
#include <linux/obd_ost.h>
+#include <linux/lustre_commit_confd.h>
#include <linux/obd_lov.h>
#ifndef __CYGWIN__
-#include <linux/ctype.h>
-#include <linux/init.h>
+# include <linux/ctype.h>
+# include <linux/init.h>
#else
-#include <ctype.h>
+# include <ctype.h>
#endif
#include <linux/lustre_ha.h>
#include <portals/lib-types.h> /* for PTL_MD_MAX_IOV */
#include <linux/lprocfs_status.h>
+static struct llog_cookie zero_cookie = { { 0 } };
+
static int osc_attach(struct obd_device *dev, obd_count len, void *data)
{
struct lprocfs_static_vars lvars;
- lprocfs_init_vars(&lvars);
+ lprocfs_init_vars(osc,&lvars);
return lprocfs_obd_attach(dev, lvars.obd_vars);
}
if (lmm_bytes < sizeof (*lmm)) {
CERROR("lov_mds_md too small: %d, need %d\n",
lmm_bytes, (int)sizeof(*lmm));
- RETURN (-EINVAL);
+ RETURN(-EINVAL);
}
/* XXX LOV_MAGIC etc check? */
- if (lmm->lmm_object_id == cpu_to_le64 (0)) {
- CERROR ("lov_mds_md: zero lmm_object_id\n");
- RETURN (-EINVAL);
+ if (lmm->lmm_object_id == cpu_to_le64(0)) {
+ CERROR("lov_mds_md: zero lmm_object_id\n");
+ RETURN(-EINVAL);
}
}
lsm_size = lov_stripe_md_size(1);
- if (!lsmp)
+ if (lsmp == NULL)
RETURN(lsm_size);
- if (*lsmp && !lmm) {
+ if (*lsmp != NULL && lmm == NULL) {
OBD_FREE(*lsmp, lsm_size);
*lsmp = NULL;
RETURN(0);
}
- if (!*lsmp) {
+ if (*lsmp == NULL) {
OBD_ALLOC(*lsmp, lsm_size);
- if (!*lsmp)
+ if (*lsmp == NULL)
RETURN(-ENOMEM);
(*lsmp)->lsm_oinfo[0].loi_dirty_ot =
ot_init((*lsmp)->lsm_oinfo[0].loi_dirty_ot);
}
- if (lmm) {
+ if (lmm != NULL) {
/* XXX zero *lsmp? */
(*lsmp)->lsm_object_id = le64_to_cpu (lmm->lmm_object_id);
LASSERT((*lsmp)->lsm_object_id);
static int osc_getattr_interpret(struct ptlrpc_request *req,
struct osc_getattr_async_args *aa, int rc)
{
- struct obdo *oa = aa->aa_oa;
struct ost_body *body;
ENTRY;
- if (rc != 0) {
- CERROR("failed: rc = %d\n", rc);
- RETURN (rc);
- }
-
- body = lustre_swab_repbuf(req, 0, sizeof (*body), lustre_swab_ost_body);
- if (body == NULL) {
- CERROR ("can't unpack ost_body\n");
- RETURN (-EPROTO);
- }
+ if (rc != 0)
+ RETURN(rc);
- CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
- memcpy(oa, &body->oa, sizeof(*oa));
+ body = lustre_swab_repbuf(req, 0, sizeof(*body), lustre_swab_ost_body);
+ if (body) {
+ CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
+ memcpy(aa->aa_oa, &body->oa, sizeof(*aa->aa_oa));
- /* This should really be sent by the OST */
- oa->o_blksize = OSC_BRW_MAX_SIZE;
- oa->o_valid |= OBD_MD_FLBLKSZ;
+ /* This should really be sent by the OST */
+ aa->aa_oa->o_blksize = OSC_BRW_MAX_SIZE;
+ aa->aa_oa->o_valid |= OBD_MD_FLBLKSZ;
+ } else {
+ CERROR("can't unpack ost_body\n");
+ rc = -EPROTO;
+ aa->aa_oa->o_valid = 0;
+ }
- RETURN (0);
+ RETURN(rc);
}
static int osc_getattr_async(struct lustre_handle *conn, struct obdo *oa,
GOTO(out, rc = -ENOMEM);
body = lustre_msg_buf(request->rq_reqmsg, 0, sizeof (*body));
- memcpy(&body->oa, oa, sizeof(*oa));
+ memcpy(&body->oa, oa, sizeof(body->oa));
request->rq_replen = lustre_msg_size(1, &size);
if (rc)
GOTO(out_req, rc);
- body = lustre_swab_repbuf (request, 0, sizeof (*body),
- lustre_swab_ost_body);
+ body = lustre_swab_repbuf(request, 0, sizeof(*body),
+ lustre_swab_ost_body);
if (body == NULL) {
CERROR ("can't unpack ost_body\n");
GOTO (out_req, rc = -EPROTO);
* This needs to be fixed in a big way.
*/
lsm->lsm_object_id = oa->o_id;
- lsm->lsm_stripe_count = 0;
- lsm->lsm_maxbytes = LUSTRE_STRIPE_MAXBYTES;
*ea = lsm;
- if (oti != NULL)
+ if (oti != NULL) {
oti->oti_transno = request->rq_repmsg->transno;
+ if (oa->o_valid & OBD_MD_FLCOOKIE) {
+ if (!oti->oti_logcookies)
+ oti_alloc_cookies(oti, 1);
+ memcpy(oti->oti_logcookies, obdo_logcookie(oa),
+ sizeof(oti->oti_onecookie));
+ }
+ }
+
CDEBUG(D_HA, "transno: "LPD64"\n", request->rq_repmsg->transno);
EXIT;
out_req:
body = lustre_msg_buf(request->rq_reqmsg, 0, sizeof (*body));
memcpy(&body->oa, oa, sizeof(*oa));
+ if (oti && oa->o_valid & OBD_MD_FLCOOKIE) {
+ memcpy(obdo_logcookie(oa), oti->oti_logcookies,
+ sizeof(*oti->oti_logcookies));
+ oti->oti_logcookies++;
+ }
+
request->rq_replen = lustre_msg_size(1, &size);
rc = ptlrpc_queue_wait(request);
if (rc)
GOTO(out, rc);
- body = lustre_swab_repbuf (request, 0, sizeof (*body),
- lustre_swab_ost_body);
+ body = lustre_swab_repbuf(request, 0, sizeof(*body),
+ lustre_swab_ost_body);
if (body == NULL) {
CERROR ("Can't unpack body\n");
GOTO (out, rc = -EPROTO);
return;
}
- CDEBUG(D_INODE, "got "LPU64" grant\n", body->oa.o_rdev);
+ CDEBUG(D_ERROR, "got "LPU64" grant\n", body->oa.o_rdev);
down(&cli->cl_dirty_sem);
cli->cl_dirty_granted = body->oa.o_rdev;
/* XXX check for over-run and wake up the io thread that
}
}
-static int check_write_rcs (struct ptlrpc_request *request,
- int niocount, obd_count page_count,
- struct brw_page *pga)
+static int check_write_rcs(struct ptlrpc_request *request, int niocount,
+ obd_count page_count, struct brw_page *pga)
{
int i;
__u32 *remote_rcs;
}
#endif
-static int osc_brw_prep_request(struct obd_import *imp,
+static int osc_brw_prep_request(int cmd, struct obd_import *imp,struct obdo *oa,
struct lov_stripe_md *lsm, obd_count page_count,
- struct brw_page *pga, int cmd,
- int *requested_nobp, int *niocountp,
- struct ptlrpc_request **reqp)
+ struct brw_page *pga, int *requested_nobp,
+ int *niocountp, struct ptlrpc_request **reqp)
{
struct ptlrpc_request *req;
struct ptlrpc_bulk_desc *desc;
if (!can_merge_pages (&pga[i - 1], &pga[i]))
niocount++;
- size[0] = sizeof (*body);
- size[1] = sizeof (*ioobj);
- size[2] = niocount * sizeof (*niobuf);
+ size[0] = sizeof(*body);
+ size[1] = sizeof(*ioobj);
+ size[2] = niocount * sizeof(*niobuf);
- req = ptlrpc_prep_req (imp, opc, 3, size, NULL);
+ req = ptlrpc_prep_req(imp, opc, 3, size, NULL);
if (req == NULL)
return (-ENOMEM);
desc = ptlrpc_prep_bulk_imp(req, BULK_PUT_SINK,
OST_BULK_PORTAL);
if (desc == NULL)
- GOTO (out, rc = -ENOMEM);
+ GOTO(out, rc = -ENOMEM);
/* NB request now owns desc and will free it when it gets freed */
body = lustre_msg_buf(req->rq_reqmsg, 0, sizeof(*body));
ioobj = lustre_msg_buf(req->rq_reqmsg, 1, sizeof(*ioobj));
niobuf = lustre_msg_buf(req->rq_reqmsg, 2, niocount * sizeof(*niobuf));
- ioobj->ioo_id = lsm->lsm_object_id;
- ioobj->ioo_gr = 0;
- ioobj->ioo_type = S_IFREG;
+ memcpy(&body->oa, oa, sizeof(*oa));
+
+ ioobj->ioo_id = oa->o_id;
+ ioobj->ioo_gr = oa->o_valid & 0 ? oa->o_gr : 0;
+ ioobj->ioo_type = oa->o_mode;
ioobj->ioo_bufcnt = niocount;
LASSERT (page_count > 0);
struct brw_page *pg = &pga[i];
struct brw_page *pg_prev = pg - 1;
- LASSERT (pg->count > 0);
- LASSERT ((pg->off & (PAGE_SIZE - 1)) + pg->count <= PAGE_SIZE);
- LASSERT (i == 0 || pg->off > pg_prev->off);
+ LASSERT(pg->count > 0);
+ LASSERT((pg->off & ~PAGE_MASK) + pg->count <= PAGE_SIZE);
+ LASSERT(i == 0 || pg->off > pg_prev->off);
- rc = ptlrpc_prep_bulk_page (desc, pg->pg,
- pg->off & (PAGE_SIZE - 1),
- pg->count);
+ rc = ptlrpc_prep_bulk_page(desc, pg->pg, pg->off & ~PAGE_MASK,
+ pg->count);
if (rc != 0)
- GOTO (out, rc);
+ GOTO(out, rc);
requested_nob += pg->count;
- if (i > 0 && can_merge_pages (pg_prev, pg)) {
+ if (i > 0 && can_merge_pages(pg_prev, pg)) {
niobuf--;
niobuf->len += pg->count;
} else {
}
}
- LASSERT ((void *)(niobuf - niocount) ==
- lustre_msg_buf(req->rq_reqmsg, 2, niocount * sizeof(*niobuf)));
+ LASSERT((void *)(niobuf - niocount) ==
+ lustre_msg_buf(req->rq_reqmsg, 2, niocount * sizeof(*niobuf)));
#if CHECKSUM_BULK
body->oa.o_valid |= OBD_MD_FLCKSUM;
if (opc == OST_BRW_WRITE)
- body->oa.o_nlink = cksum_pages (requested_nob, page_count, pga);
+ body->oa.o_nlink = cksum_pages(requested_nob, page_count, pga);
#endif
osc_announce_cached(cli, body);
- spin_lock_irqsave (&req->rq_lock, flags);
+ spin_lock_irqsave(&req->rq_lock, flags);
req->rq_no_resend = 1;
- spin_unlock_irqrestore (&req->rq_lock, flags);
+ spin_unlock_irqrestore(&req->rq_lock, flags);
/* size[0] still sizeof (*body) */
if (opc == OST_WRITE) {
return (rc);
}
-static int osc_brw_fini_request (struct ptlrpc_request *req,
- int requested_nob, int niocount,
- obd_count page_count, struct brw_page *pga,
- int rc)
+static int osc_brw_fini_request(struct ptlrpc_request *req, struct obdo *oa,
+ int requested_nob, int niocount,
+ obd_count page_count, struct brw_page *pga,
+ int rc)
{
struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
struct ost_body *body;
+
if (rc < 0)
return (rc);
- body = lustre_swab_repbuf(req, 0, sizeof (*body), lustre_swab_ost_body);
+ body = lustre_swab_repbuf(req, 0, sizeof(*body), lustre_swab_ost_body);
if (body == NULL) {
CERROR ("Can't unpack body\n");
- RETURN(-EPROTO);
+ return (-EPROTO);
}
+
osc_update_grant(cli, body);
if (req->rq_reqmsg->opc == OST_WRITE) {
return (-EPROTO);
}
- return (check_write_rcs(req, niocount, page_count, pga));
+ return(check_write_rcs(req, niocount, page_count, pga));
}
if (rc > requested_nob) {
- CERROR ("Unexpected rc %d (%d requested)\n",
- rc, requested_nob);
+ CERROR("Unexpected rc %d (%d requested)\n", rc, requested_nob);
return (-EPROTO);
}
if (rc < requested_nob)
handle_short_read(rc, page_count, pga);
+ memcpy(oa, &body->oa, sizeof(*oa));
+
#if CHECKSUM_BULK
- if (body->oa.o_valid & OBD_MD_FLCKSUM) {
+ if (oa->o_valid & OBD_MD_FLCKSUM) {
static int cksum_counter;
- obd_count server_cksum = body->oa.o_nlink;
+ obd_count server_cksum = oa->o_nlink;
obd_count cksum = cksum_pages(rc, page_count, pga);
cksum_counter++;
", server NID "LPX64"\n", server_cksum, cksum,
imp->imp_connection->c_peer.peer_nid);
cksum_counter = 0;
+ oa->o_rdev = cksum;
} else if ((cksum_counter & (-cksum_counter)) == cksum_counter)
CERROR("Checksum %u from "LPX64" OK: %x\n",
cksum_counter,
return (0);
}
-static int osc_brw_internal(struct lustre_handle *conn,
+static int osc_brw_internal(int cmd, struct lustre_handle *conn,struct obdo *oa,
struct lov_stripe_md *lsm,
- obd_count page_count, struct brw_page *pga, int cmd)
+ obd_count page_count, struct brw_page *pga)
{
int requested_nob;
int niocount;
ENTRY;
restart_bulk:
- rc = osc_brw_prep_request(class_conn2cliimp(conn), lsm, page_count, pga,
- cmd, &requested_nob, &niocount, &request);
+ rc = osc_brw_prep_request(cmd, class_conn2cliimp(conn), oa, lsm,
+ page_count, pga, &requested_nob, &niocount,
+ &request);
/* NB ^ sets rq_no_resend */
if (rc != 0)
goto restart_bulk;
}
- rc = osc_brw_fini_request (request, requested_nob, niocount,
- page_count, pga, rc);
+ rc = osc_brw_fini_request(request, oa, requested_nob, niocount,
+ page_count, pga, rc);
ptlrpc_req_finished(request);
RETURN (rc);
static int brw_interpret(struct ptlrpc_request *request,
struct osc_brw_async_args *aa, int rc)
{
+ struct obdo *oa = aa->aa_oa;
int requested_nob = aa->aa_requested_nob;
int niocount = aa->aa_nio_count;
obd_count page_count = aa->aa_page_count;
//goto restart_bulk;
}
- rc = osc_brw_fini_request (request, requested_nob, niocount,
- page_count, pga, rc);
+ rc = osc_brw_fini_request(request, oa, requested_nob, niocount,
+ page_count, pga, rc);
RETURN (rc);
}
-static int async_internal(struct lustre_handle *conn, struct lov_stripe_md *lsm,
- obd_count page_count, struct brw_page *pga,
- struct ptlrpc_request_set *set, int cmd)
+static int async_internal(int cmd, struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *lsm, obd_count page_count,
+ struct brw_page *pga, struct ptlrpc_request_set *set)
{
struct ptlrpc_request *request;
int requested_nob;
int rc;
ENTRY;
- rc = osc_brw_prep_request (class_conn2cliimp(conn),
- lsm, page_count, pga, cmd,
- &requested_nob, &nio_count, &request);
+ rc = osc_brw_prep_request(cmd, class_conn2cliimp(conn), oa, lsm,
+ page_count, pga, &requested_nob, &nio_count,
+ &request);
/* NB ^ sets rq_no_resend */
if (rc == 0) {
- LASSERT (sizeof (*aa) <= sizeof (request->rq_async_args));
+ LASSERT(sizeof(*aa) <= sizeof(request->rq_async_args));
aa = (struct osc_brw_async_args *)&request->rq_async_args;
+ aa->aa_oa = oa;
aa->aa_requested_nob = requested_nob;
aa->aa_nio_count = nio_count;
aa->aa_page_count = page_count;
return i;
}
-static int osc_brw(int cmd, struct lustre_handle *conn,
+static int osc_brw(int cmd, struct lustre_handle *conn, struct obdo *oa,
struct lov_stripe_md *md, obd_count page_count,
struct brw_page *pga, struct obd_trans_info *oti)
{
sort_brw_pages(pga, pages_per_brw);
pages_per_brw = check_elan_limit(pga, pages_per_brw);
- rc = osc_brw_internal(conn, md, pages_per_brw, pga, cmd);
+ rc = osc_brw_internal(cmd, conn, oa, md, pages_per_brw, pga);
if (rc != 0)
RETURN(rc);
RETURN(0);
}
-static int osc_brw_async(int cmd, struct lustre_handle *conn,
+static int osc_brw_async(int cmd, struct lustre_handle *conn, struct obdo *oa,
struct lov_stripe_md *md, obd_count page_count,
struct brw_page *pga, struct ptlrpc_request_set *set,
struct obd_trans_info *oti)
sort_brw_pages(pga, pages_per_brw);
pages_per_brw = check_elan_limit(pga, pages_per_brw);
- rc = async_internal(conn, md, pages_per_brw, pga, set, cmd);
+ rc = async_internal(cmd, conn, oa, md, pages_per_brw, pga, set);
if (rc != 0)
RETURN(rc);
#ifdef __KERNEL__
/* Note: caller will lock/unlock, and set uptodate on the pages */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-static int sanosc_brw_read(struct lustre_handle *conn,
- struct lov_stripe_md *lsm,
- obd_count page_count,
+static int sanosc_brw_read(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *lsm, obd_count page_count,
struct brw_page *pga)
{
struct ptlrpc_request *request = NULL;
if (!request)
RETURN(-ENOMEM);
- body = lustre_msg_buf(request->rq_reqmsg, 0, sizeof (*body));
- iooptr = lustre_msg_buf(request->rq_reqmsg, 1, sizeof (*iooptr));
+ body = lustre_msg_buf(request->rq_reqmsg, 0, sizeof(*body));
+ iooptr = lustre_msg_buf(request->rq_reqmsg, 1, sizeof(*iooptr));
nioptr = lustre_msg_buf(request->rq_reqmsg, 2,
- sizeof (*nioptr) * page_count);
+ sizeof(*nioptr) * page_count);
+
+ memcpy(&body->oa, oa, sizeof(body->oa));
- iooptr->ioo_id = lsm->lsm_object_id;
- iooptr->ioo_gr = 0;
- iooptr->ioo_type = S_IFREG;
+ iooptr->ioo_id = oa->o_id;
+ iooptr->ioo_gr = oa->o_valid & 0 ? oa->o_gr : 0;
+ iooptr->ioo_type = oa->o_mode;
iooptr->ioo_bufcnt = page_count;
for (mapped = 0; mapped < page_count; mapped++, nioptr++) {
if (rc)
GOTO(out_req, rc);
- swab = lustre_msg_swabbed (request->rq_repmsg);
- LASSERT_REPSWAB (request, 1);
+ body = lustre_swab_repbuf(request, 0, sizeof(*body),
+ lustre_swab_ost_body);
+ if (body == NULL) {
+ CERROR("Can't unpack body\n");
+ GOTO(out_req, rc = -EPROTO);
+ }
+
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ swab = lustre_msg_swabbed(request->rq_repmsg);
+ LASSERT_REPSWAB(request, 1);
nioptr = lustre_msg_buf(request->rq_repmsg, 1, size[1]);
if (!nioptr) {
/* nioptr missing or short */
RETURN(rc);
}
-static int sanosc_brw_write(struct lustre_handle *conn,
- struct lov_stripe_md *lsm,
- obd_count page_count,
+static int sanosc_brw_write(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *lsm, obd_count page_count,
struct brw_page *pga)
{
struct ptlrpc_request *request = NULL;
nioptr = lustre_msg_buf(request->rq_reqmsg, 2,
sizeof (*nioptr) * page_count);
- iooptr->ioo_id = lsm->lsm_object_id;
- iooptr->ioo_gr = 0;
- iooptr->ioo_type = S_IFREG;
+ memcpy(&body->oa, oa, sizeof(body->oa));
+
+ iooptr->ioo_id = oa->o_id;
+ iooptr->ioo_gr = oa->o_valid & 0 ? oa->o_gr : 0;
+ iooptr->ioo_type = oa->o_mode;
iooptr->ioo_bufcnt = page_count;
/* pack request */
RETURN(rc);
}
-static int sanosc_brw(int cmd, struct lustre_handle *conn,
+static int sanosc_brw(int cmd, struct lustre_handle *conn, struct obdo *oa,
struct lov_stripe_md *lsm, obd_count page_count,
struct brw_page *pga, struct obd_trans_info *oti)
{
pages_per_brw = page_count;
if (cmd & OBD_BRW_WRITE)
- rc = sanosc_brw_write(conn, lsm, pages_per_brw, pga);
+ rc = sanosc_brw_write(conn, oa, lsm, pages_per_brw,pga);
else
- rc = sanosc_brw_read(conn, lsm, pages_per_brw, pga);
+ rc = sanosc_brw_read(conn, oa, lsm, pages_per_brw, pga);
if (rc != 0)
RETURN(rc);
#endif
#endif
-static int osc_mark_page_dirty(struct lustre_handle *conn,
+static int osc_mark_page_dirty(struct lustre_handle *conn,
struct lov_stripe_md *lsm, unsigned long offset)
{
struct client_obd *cli = &class_conn2obd(conn)->u.cli;
down(&cli->cl_dirty_sem);
- if (cli->cl_ost_can_grant &&
+#if 0
+ if (cli->cl_ost_can_grant &&
(cli->cl_dirty + PAGE_CACHE_SIZE >= cli->cl_dirty_granted)) {
CDEBUG(D_INODE, "granted "LPU64" < "LPU64"\n",
cli->cl_dirty_granted, cli->cl_dirty + PAGE_CACHE_SIZE);
GOTO(out, rc = -EDQUOT);
}
+#endif
rc = ot_mark_offset(dirty_ot, offset);
if (rc)
RETURN(rc);
}
-static int osc_clear_dirty_pages(struct lustre_handle *conn,
+static int osc_clear_dirty_pages(struct lustre_handle *conn,
struct lov_stripe_md *lsm,
unsigned long start, unsigned long end,
unsigned long *cleared)
struct lustre_handle *lockh)
{
struct ldlm_res_id res_id = { .name = {lsm->lsm_object_id} };
- struct obd_device *obddev = class_conn2obd(connh);
+ struct obd_device *obd = class_conn2obd(connh);
struct ldlm_extent *extent = extentp;
int rc;
ENTRY;
extent->end |= ~PAGE_MASK;
/* Next, search for already existing extent locks that will cover us */
- rc = ldlm_lock_match(obddev->obd_namespace, LDLM_FL_MATCH_DATA, &res_id,
+ rc = ldlm_lock_match(obd->obd_namespace, LDLM_FL_MATCH_DATA, &res_id,
type, extent, sizeof(extent), mode, data, lockh);
if (rc == 1)
/* We already have a lock, and it's referenced */
* locks out from other users right now, too. */
if (mode == LCK_PR) {
- rc = ldlm_lock_match(obddev->obd_namespace, LDLM_FL_MATCH_DATA,
+ rc = ldlm_lock_match(obd->obd_namespace, LDLM_FL_MATCH_DATA,
&res_id, type, extent, sizeof(extent),
LCK_PW, data, lockh);
if (rc == 1) {
}
}
- rc = ldlm_cli_enqueue(connh, NULL, obddev->obd_namespace, parent_lock,
+ rc = ldlm_cli_enqueue(connh, NULL, obd->obd_namespace, parent_lock,
res_id, type, extent, sizeof(extent), mode, flags,
ldlm_completion_ast, callback, data, lockh);
RETURN(rc);
int *flags, void *data, struct lustre_handle *lockh)
{
struct ldlm_res_id res_id = { .name = {lsm->lsm_object_id} };
- struct obd_device *obddev = class_conn2obd(connh);
+ struct obd_device *obd = class_conn2obd(connh);
struct ldlm_extent *extent = extentp;
int rc;
ENTRY;
extent->end |= ~PAGE_MASK;
/* Next, search for already existing extent locks that will cover us */
- rc = ldlm_lock_match(obddev->obd_namespace, *flags, &res_id, type,
+ rc = ldlm_lock_match(obd->obd_namespace, *flags, &res_id, type,
extent, sizeof(extent), mode, data, lockh);
if (rc)
RETURN(rc);
* VFS and page cache already protect us locally, so lots of readers/
* writers can share a single PW lock. */
if (mode == LCK_PR) {
- rc = ldlm_lock_match(obddev->obd_namespace, *flags, &res_id,
+ rc = ldlm_lock_match(obd->obd_namespace, *flags, &res_id,
type, extent, sizeof(extent), LCK_PW,
data, lockh);
if (rc == 1) {
static int osc_cancel_unused(struct lustre_handle *connh,
struct lov_stripe_md *lsm, int flags, void *opaque)
{
- struct obd_device *obddev = class_conn2obd(connh);
+ struct obd_device *obd = class_conn2obd(connh);
struct ldlm_res_id res_id = { .name = {lsm->lsm_object_id} };
- return ldlm_cli_cancel_unused(obddev->obd_namespace, &res_id, flags,
+ return ldlm_cli_cancel_unused(obd->obd_namespace, &res_id, flags,
opaque);
}
-static int osc_statfs(struct obd_export *exp, struct obd_statfs *osfs)
+static int osc_statfs(struct obd_device *obd, struct obd_statfs *osfs,
+ unsigned long max_age)
{
struct obd_statfs *msfs;
struct ptlrpc_request *request;
int rc, size = sizeof(*osfs);
ENTRY;
- request = ptlrpc_prep_req(exp->exp_obd->u.cli.cl_import, OST_STATFS, 0,
- NULL, NULL);
+ /* We could possibly pass max_age in the request (as an absolute
+ * timestamp or a "seconds.usec ago") so the target can avoid doing
+ * extra calls into the filesystem if that isn't necessary (e.g.
+ * during mount that would help a bit). Having relative timestamps
+ * is not so great if request processing is slow, while absolute
+ * timestamps are not ideal because they need time synchronization. */
+ request = ptlrpc_prep_req(obd->u.cli.cl_import, OST_STATFS,0,NULL,NULL);
if (!request)
RETURN(-ENOMEM);
GOTO(out, rc);
}
- msfs = lustre_swab_repbuf (request, 0, sizeof (*msfs),
- lustre_swab_obd_statfs);
+ msfs = lustre_swab_repbuf(request, 0, sizeof(*msfs),
+ lustre_swab_obd_statfs);
if (msfs == NULL) {
- CERROR ("Can't unpack obd_statfs\n");
- GOTO (out, rc = -EPROTO);
+ CERROR("Can't unpack obd_statfs\n");
+ GOTO(out, rc = -EPROTO);
}
- memcpy (osfs, msfs, sizeof (*msfs));
+ memcpy(osfs, msfs, sizeof(*osfs));
EXIT;
out:
static int osc_iocontrol(unsigned int cmd, struct lustre_handle *conn, int len,
void *karg, void *uarg)
{
- struct obd_device *obddev = class_conn2obd(conn);
+ struct obd_device *obd = class_conn2obd(conn);
struct obd_ioctl_data *data = karg;
int err = 0;
ENTRY;
switch (cmd) {
case IOC_OSC_REGISTER_LOV: {
- if (obddev->u.cli.cl_containing_lov)
+ if (obd->u.cli.cl_containing_lov)
GOTO(out, err = -EALREADY);
- obddev->u.cli.cl_containing_lov = (struct obd_device *)karg;
+ obd->u.cli.cl_containing_lov = (struct obd_device *)karg;
GOTO(out, err);
}
case OBD_IOC_LOV_GET_CONFIG: {
desc->ld_default_stripe_size = 0;
desc->ld_default_stripe_offset = 0;
desc->ld_pattern = 0;
- memcpy(&desc->ld_uuid, &obddev->obd_uuid, sizeof(uuid));
+ memcpy(&desc->ld_uuid, &obd->obd_uuid, sizeof(uuid));
- memcpy(data->ioc_inlbuf2, &obddev->obd_uuid, sizeof(uuid));
+ memcpy(data->ioc_inlbuf2, &obd->obd_uuid, sizeof(uuid));
err = copy_to_user((void *)uarg, buf, len);
if (err)
err = osc_getstripe(conn, karg, uarg);
GOTO(out, err);
case OBD_IOC_CLIENT_RECOVER:
- err = ptlrpc_recover_import(obddev->u.cli.cl_import,
+ err = ptlrpc_recover_import(obd->u.cli.cl_import,
data->ioc_inlbuf1);
GOTO(out, err);
case IOC_OSC_SET_ACTIVE:
- err = ptlrpc_set_import_active(obddev->u.cli.cl_import,
+ err = ptlrpc_set_import_active(obd->u.cli.cl_import,
data->ioc_offset);
GOTO(out, err);
default:
- CERROR ("osc_ioctl(): unrecognised ioctl %#x\n", cmd);
+ CERROR("unrecognised ioctl %#x by %s\n", cmd, current->comm);
GOTO(out, err = -ENOTTY);
}
out:
RETURN(-EINVAL);
}
+static int osc_set_info(struct lustre_handle *conn, obd_count keylen,
+ void *key, obd_count vallen, void *val)
+{
+ struct ptlrpc_request *req;
+ int rc, size = keylen;
+ char *bufs[1] = {key};
+ ENTRY;
+
+ if (keylen < strlen("mds_conn") ||
+ memcmp(key, "mds_conn", strlen("mds_conn")) != 0)
+ RETURN(-EINVAL);
+
+ req = ptlrpc_prep_req(class_conn2cliimp(conn), OST_SET_INFO, 1,
+ &size, bufs);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ req->rq_replen = lustre_msg_size(0, NULL);
+ rc = ptlrpc_queue_wait(req);
+ ptlrpc_req_finished(req);
+ RETURN(rc);
+}
+
+static int osc_log_cancel(struct lustre_handle *conn, struct lov_stripe_md *lsm,
+ int count, struct llog_cookie *cookies, int flags)
+{
+ struct obd_device *obd = class_conn2obd(conn);
+ struct llog_commit_data *llcd;
+ struct client_obd *cli;
+ int rc = 0;
+ ENTRY;
+
+ cli = &obd->u.cli;
+ if ((count == 0 || cookies == NULL ||
+ memcmp(cookies, &zero_cookie, sizeof(*cookies)) == 0)) {
+ down(&cli->cl_sem);
+ if (cli->cl_llcd == NULL || !(flags & OBD_LLOG_FL_SENDNOW))
+ GOTO(out, rc);
+
+ llcd = cli->cl_llcd;
+ GOTO(send_now, rc);
+ }
+
+ down(&cli->cl_sem);
+ llcd = cli->cl_llcd;
+ if (llcd == NULL) {
+ llcd = llcd_grab();
+ if (llcd == NULL) {
+ CERROR("couldn't get an llcd - dropped "LPX64":%x+%u\n",
+ cookies->lgc_lgl.lgl_oid,
+ cookies->lgc_lgl.lgl_ogen, cookies->lgc_index);
+ GOTO(out, rc = -ENOMEM);
+ }
+ llcd->llcd_import = cli->cl_import;
+ cli->cl_llcd = llcd;
+ }
+
+ memcpy(llcd->llcd_cookies + llcd->llcd_cookiebytes, cookies,
+ sizeof(*cookies));
+ llcd->llcd_cookiebytes += sizeof(*cookies);
+
+ /* If we can't fit any more cookies into the page, we need to send it */
+send_now:
+ if ((PAGE_SIZE - llcd->llcd_cookiebytes < sizeof(*cookies) ||
+ flags & OBD_LLOG_FL_SENDNOW)) {
+ cli->cl_llcd = NULL;
+ llcd_send(llcd);
+ }
+out:
+ up(&cli->cl_sem);
+
+ return rc;
+}
+
+static int osc_disconnect(struct lustre_handle *conn, int flags)
+{
+ struct obd_device *obd = class_conn2obd(conn);
+
+ /* flush any remaining cancel messages out to the target */
+ if (obd->u.cli.cl_llcd)
+ osc_log_cancel(conn, NULL, 0, NULL, OBD_LLOG_FL_SENDNOW);
+
+ return client_import_disconnect(conn, flags);
+}
+
+static int osc_log_add(struct lustre_handle *conn,
+ struct llog_handle *cathandle,
+ struct llog_trans_hdr *rec, struct lov_stripe_md *lsm,
+ struct llog_cookie *logcookies, int numcookies)
+{
+ ENTRY;
+ LASSERT(logcookies && numcookies > 0);
+
+ llog_add_record(cathandle, rec, logcookies);
+
+ RETURN(1);
+}
+
struct obd_ops osc_obd_ops = {
o_owner: THIS_MODULE,
o_attach: osc_attach,
o_setup: client_obd_setup,
o_cleanup: client_obd_cleanup,
o_connect: client_import_connect,
- o_disconnect: client_import_disconnect,
+ o_disconnect: osc_disconnect,
o_statfs: osc_statfs,
o_packmd: osc_packmd,
o_unpackmd: osc_unpackmd,
o_create: osc_create,
o_destroy: osc_destroy,
o_getattr: osc_getattr,
- o_getattr_async: osc_getattr_async,
+ o_getattr_async:osc_getattr_async,
o_setattr: osc_setattr,
o_open: osc_open,
o_close: osc_close,
o_enqueue: osc_enqueue,
o_match: osc_match,
o_cancel: osc_cancel,
- o_cancel_unused: osc_cancel_unused,
+ o_cancel_unused:osc_cancel_unused,
o_iocontrol: osc_iocontrol,
o_get_info: osc_get_info,
- .o_mark_page_dirty = osc_mark_page_dirty,
- .o_clear_dirty_pages = osc_clear_dirty_pages,
- .o_last_dirty_offset = osc_last_dirty_offset,
+ o_set_info: osc_set_info,
+ o_log_cancel: osc_log_cancel,
+ o_log_add: osc_log_add,
+ o_mark_page_dirty: osc_mark_page_dirty,
+ o_clear_dirty_pages: osc_clear_dirty_pages,
+ o_last_dirty_offset: osc_last_dirty_offset,
};
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
struct obd_ops sanosc_obd_ops = {
o_owner: THIS_MODULE,
o_attach: osc_attach,
o_setattr: osc_setattr,
o_open: osc_open,
o_close: osc_close,
-#ifdef __KERNEL__
o_setup: client_sanobd_setup,
o_brw: sanosc_brw,
-#endif
o_punch: osc_punch,
o_enqueue: osc_enqueue,
o_match: osc_match,
o_cancel: osc_cancel,
o_cancel_unused: osc_cancel_unused,
o_iocontrol: osc_iocontrol,
- .o_mark_page_dirty = osc_mark_page_dirty,
- .o_clear_dirty_pages = osc_clear_dirty_pages,
- .o_last_dirty_offset = osc_last_dirty_offset,
+ o_log_cancel: osc_log_cancel,
+ o_log_add: osc_log_add,
+ o_mark_page_dirty: osc_mark_page_dirty,
+ o_clear_dirty_pages: osc_clear_dirty_pages,
+ o_last_dirty_offset: osc_last_dirty_offset,
};
+#endif
int __init osc_init(void)
{
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars, sanlvars;
int rc;
ENTRY;
LASSERT(sizeof(struct obd_client_handle) <= FD_OSTDATA_SIZE);
LASSERT(sizeof(struct obd_client_handle) <= OBD_INLINESZ);
- lprocfs_init_vars(&lvars);
+ lprocfs_init_vars(osc,&lvars);
+ lprocfs_init_vars(osc,&sanlvars);
rc = class_register_type(&osc_obd_ops, lvars.module_vars,
LUSTRE_OSC_NAME);
if (rc)
RETURN(rc);
- rc = class_register_type(&sanosc_obd_ops, lvars.module_vars,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+ rc = class_register_type(&sanosc_obd_ops, sanlvars.module_vars,
LUSTRE_SANOSC_NAME);
if (rc)
class_unregister_type(LUSTRE_OSC_NAME);
+#endif
RETURN(rc);
}
-static void __exit osc_exit(void)
+static void /*__exit*/ osc_exit(void)
{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
class_unregister_type(LUSTRE_SANOSC_NAME);
+#endif
class_unregister_type(LUSTRE_OSC_NAME);
}