#include <linux/miscdevice.h>
#include <linux/init.h>
#include <linux/utsname.h>
+#include <linux/kthread.h>
+#include <linux/user_namespace.h>
+#ifdef HAVE_UIDGID_HEADER
+# include <linux/uidgid.h>
+#endif
#include <lustre_acl.h>
#include <lustre_ioctl.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
#include <lustre_log.h>
+#include <lustre_kernelcomm.h>
#include <cl_object.h>
#include "mdc_internal.h"
RETURN(0);
}
-/**
- * Handles both OPEN and SETATTR RPCs for OPEN-CLOSE and SETATTR-DONE_WRITING
- * RPC chains.
- */
void mdc_replay_open(struct ptlrpc_request *req)
{
struct md_open_data *mod = req->rq_cb_data;
__u32 opc = lustre_msg_get_opc(close_req->rq_reqmsg);
struct mdt_ioepoch *epoch;
- LASSERT(opc == MDS_CLOSE || opc == MDS_DONE_WRITING);
- epoch = req_capsule_client_get(&close_req->rq_pill,
- &RMF_MDT_EPOCH);
- LASSERT(epoch);
+ LASSERT(opc == MDS_CLOSE);
+ epoch = req_capsule_client_get(&close_req->rq_pill,
+ &RMF_MDT_EPOCH);
+ LASSERT(epoch);
- if (och != NULL)
- LASSERT(!memcmp(&old, &epoch->handle, sizeof(old)));
- DEBUG_REQ(D_HA, close_req, "updating close body with new fh");
- epoch->handle = body->mbo_handle;
- }
- EXIT;
+ if (och != NULL)
+ LASSERT(!memcmp(&old, &epoch->mio_handle, sizeof(old)));
+
+ DEBUG_REQ(D_HA, close_req, "updating close body with new fh");
+ epoch->mio_handle = body->mbo_handle;
+ }
+ EXIT;
}
void mdc_commit_open(struct ptlrpc_request *req)
RETURN(0);
}
-/* Prepares the request for the replay by the given reply */
-static void mdc_close_handle_reply(struct ptlrpc_request *req,
- struct md_op_data *op_data, int rc) {
- struct mdt_body *repbody;
- struct mdt_ioepoch *epoch;
-
- if (req && rc == -EAGAIN) {
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH);
-
- epoch->flags |= MF_SOM_AU;
- if (repbody->mbo_valid & OBD_MD_FLGETATTRLOCK)
- op_data->op_flags |= MF_GETATTR_LOCK;
- }
-}
-
static int mdc_close(struct obd_export *exp, struct md_op_data *op_data,
struct md_open_data *mod, struct ptlrpc_request **request)
{
obd_mod_put(mod);
}
*request = req;
- mdc_close_handle_reply(req, op_data, rc);
- RETURN(rc < 0 ? rc : saved_rc);
-}
-
-static int mdc_done_writing(struct obd_export *exp, struct md_op_data *op_data,
- struct md_open_data *mod)
-{
- struct obd_device *obd = class_exp2obd(exp);
- struct ptlrpc_request *req;
- int rc;
- ENTRY;
- req = ptlrpc_request_alloc(class_exp2cliimp(exp),
- &RQF_MDS_DONE_WRITING);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_DONE_WRITING);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
-
- if (mod != NULL) {
- LASSERTF(mod->mod_open_req != NULL &&
- mod->mod_open_req->rq_type != LI_POISON,
- "POISONED setattr %p!\n", mod->mod_open_req);
-
- mod->mod_close_req = req;
- DEBUG_REQ(D_HA, mod->mod_open_req, "matched setattr");
- /* We no longer want to preserve this setattr for replay even
- * though the open was committed. b=3632, b=3633 */
- spin_lock(&mod->mod_open_req->rq_lock);
- mod->mod_open_req->rq_replay = 0;
- spin_unlock(&mod->mod_open_req->rq_lock);
- }
-
- mdc_close_pack(req, op_data);
- ptlrpc_request_set_replen(req);
-
- mdc_get_rpc_lock(obd->u.cli.cl_close_lock, NULL);
- rc = ptlrpc_queue_wait(req);
- mdc_put_rpc_lock(obd->u.cli.cl_close_lock, NULL);
-
- if (rc == -ESTALE) {
- /**
- * it can be allowed error after 3633 if open or setattr were
- * committed and server failed before close was sent.
- * Let's check if mod exists and return no error in that case
- */
- if (mod) {
- LASSERT(mod->mod_open_req != NULL);
- if (mod->mod_open_req->rq_committed)
- rc = 0;
- }
- }
-
- if (mod) {
- if (rc != 0)
- mod->mod_close_req = NULL;
- LASSERT(mod->mod_open_req != NULL);
- mdc_free_open(mod);
-
- /* Since now, mod is accessed through setattr req only,
- * thus DW req does not keep a reference on mod anymore. */
- obd_mod_put(mod);
- }
-
- mdc_close_handle_reply(req, op_data, rc);
- ptlrpc_req_finished(req);
- RETURN(rc);
+ RETURN(rc < 0 ? rc : saved_rc);
}
static int mdc_getpage(struct obd_export *exp, const struct lu_fid *fid,
* | |
* .|--------v------- -----.
* |s|e|f|p|ent|ent| ... |ent|
- * '--|-------------- -----' Each CFS_PAGE contains a single
+ * '--|-------------- -----' Each PAGE contains a single
* '------. lu_dirpage.
* .---------v------- -----.
* |s|e|f|p|ent| 0 | ... | 0 |
* larger than LU_PAGE_SIZE, a single host page may contain multiple
* lu_dirpages. After reading the lu_dirpages from the MDS, the
* ldp_hash_end of the first lu_dirpage refers to the one immediately
- * after it in the same CFS_PAGE (arrows simplified for brevity, but
+ * after it in the same PAGE (arrows simplified for brevity, but
* in general e0==s1, e1==s2, etc.):
*
* .-------------------- -----.
* |s0|e0|f0|p|ent|ent| ... |ent|
* |---v---------------- -----|
* |s1|e1|f1|p|ent|ent| ... |ent|
- * |---v---------------- -----| Here, each CFS_PAGE contains
+ * |---v---------------- -----| Here, each PAGE contains
* ... multiple lu_dirpages.
* |---v---------------- -----|
* |s'|e'|f'|p|ent|ent| ... |ent|
* '---|---------------- -----'
* v
* .----------------------------.
- * | next CFS_PAGE |
+ * | next PAGE |
*
* This structure is transformed into a single logical lu_dirpage as follows:
*
* - Replace e0 with e' so the request for the next lu_dirpage gets the page
- * labeled 'next CFS_PAGE'.
+ * labeled 'next PAGE'.
*
* - Copy the LDF_COLLIDE flag from f' to f0 to correctly reflect whether
* a hash collision with the next page exists.
/* Advance dp to next lu_dirpage. */
dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE);
- /* Check if we've reached the end of the CFS_PAGE. */
- if (!((unsigned long)dp & ~CFS_PAGE_MASK))
+ /* Check if we've reached the end of the PAGE. */
+ if (!((unsigned long)dp & ~PAGE_MASK))
break;
/* Save the hash and flags of this lu_dirpage. */
* a header lu_dirpage which describes the start/end hash, and whether this
* page is empty (contains no dir entry) or hash collide with next page.
* After client receives reply, several pages will be integrated into dir page
- * in CFS_PAGE_SIZE (if CFS_PAGE_SIZE greater than LU_PAGE_SIZE), and the
+ * in PAGE_SIZE (if PAGE_SIZE greater than LU_PAGE_SIZE), and the
* lu_dirpage for this integrated page will be adjusted.
**/
static int mdc_read_page_remote(void *data, struct page *page0)
/* Val is struct getinfo_fid2path result plus path */
vallen = sizeof(*gf) + gf->gf_pathlen;
- rc = obd_get_info(NULL, exp, keylen, key, &vallen, gf, NULL);
+ rc = obd_get_info(NULL, exp, keylen, key, &vallen, gf);
if (rc != 0 && rc != -EREMOTE)
GOTO(out, rc);
ptlrpc_request_set_replen(req);
- rc = mdc_queue_wait(req);
+ mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+
GOTO(out, rc);
out:
ptlrpc_req_finished(req);
ptlrpc_request_set_replen(req);
- rc = mdc_queue_wait(req);
- GOTO(out, rc);
+ mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
- EXIT;
+ GOTO(out, rc);
out:
ptlrpc_req_finished(req);
return rc;
ptlrpc_request_set_replen(req);
- rc = mdc_queue_wait(req);
+ mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+
GOTO(out, rc);
out:
if (cs->cs_buf == NULL)
GOTO(out, rc = -ENOMEM);
- /* Set up the remote catalog handle */
- ctxt = llog_get_context(cs->cs_obd, LLOG_CHANGELOG_REPL_CTXT);
- if (ctxt == NULL)
- GOTO(out, rc = -ENOENT);
+ /* Set up the remote catalog handle */
+ ctxt = llog_get_context(cs->cs_obd, LLOG_CHANGELOG_REPL_CTXT);
+ if (ctxt == NULL)
+ GOTO(out, rc = -ENOENT);
rc = llog_open(NULL, ctxt, &llh, NULL, CHANGELOG_CATALOG,
LLOG_OPEN_EXISTS);
if (rc) {
rc = llog_cat_process(NULL, llh, changelog_kkuc_cb, cs, 0, 0);
- /* Send EOF no matter what our result */
- if ((kuch = changelog_kuc_hdr(cs->cs_buf, sizeof(*kuch),
- cs->cs_flags))) {
- kuch->kuc_msgtype = CL_EOF;
- libcfs_kkuc_msg_put(cs->cs_fp, kuch);
- }
+ /* Send EOF no matter what our result */
+ kuch = changelog_kuc_hdr(cs->cs_buf, sizeof(*kuch), cs->cs_flags);
+ kuch->kuc_msgtype = CL_EOF;
+ libcfs_kkuc_msg_put(cs->cs_fp, kuch);
out:
fput(cs->cs_fp);
if (llh)
llog_cat_close(NULL, llh);
- if (ctxt)
- llog_ctxt_put(ctxt);
+ if (ctxt)
+ llog_ctxt_put(ctxt);
if (cs->cs_buf)
OBD_FREE(cs->cs_buf, KUC_CHANGELOG_MSG_MAXSIZE);
OBD_FREE_PTR(cs);
}
static int mdc_get_info(const struct lu_env *env, struct obd_export *exp,
- __u32 keylen, void *key,
- __u32 *vallen, void *val,
- struct lov_stripe_md *lsm)
+ __u32 keylen, void *key, __u32 *vallen, void *val)
{
int rc = -EINVAL;
*default_easize = exp->exp_obd->u.cli.cl_default_mds_easize;
RETURN(0);
} else if (KEY_IS(KEY_MAX_COOKIESIZE)) {
- __u32 mdsize, *max_cookiesize;
+ __u32 *max_cookiesize;
if (*vallen != sizeof(int))
RETURN(-EINVAL);
- mdsize = *(int *)val;
- if (mdsize > exp->exp_obd->u.cli.cl_max_mds_cookiesize)
- exp->exp_obd->u.cli.cl_max_mds_cookiesize = mdsize;
max_cookiesize = val;
*max_cookiesize = exp->exp_obd->u.cli.cl_max_mds_cookiesize;
RETURN(0);
.m_find_cbdata = mdc_find_cbdata,
.m_close = mdc_close,
.m_create = mdc_create,
- .m_done_writing = mdc_done_writing,
.m_enqueue = mdc_enqueue,
.m_getattr = mdc_getattr,
.m_getattr_name = mdc_getattr_name,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff