* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#include "cmm_internal.h"
#include "mdc_internal.h"
-static struct md_object_operations mdc_mo_ops;
-static struct md_dir_operations mdc_dir_ops;
-static struct lu_object_operations mdc_obj_ops;
+static const struct md_object_operations mdc_mo_ops;
+static const struct md_dir_operations mdc_dir_ops;
+static const struct lu_object_operations mdc_obj_ops;
extern struct lu_context_key mdc_thread_key;
-
+/**
+ * \addtogroup cmm_mdc
+ * @{
+ */
+/**
+ * Allocate new mdc object.
+ */
struct lu_object *mdc_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,
struct lu_device *ld)
{
- struct mdc_object *mco;
+ struct mdc_object *mco;
ENTRY;
- OBD_ALLOC_PTR(mco);
- if (mco != NULL) {
- struct lu_object *lo;
+ OBD_ALLOC_PTR(mco);
+ if (mco != NULL) {
+ struct lu_object *lo;
- lo = &mco->mco_obj.mo_lu;
+ lo = &mco->mco_obj.mo_lu;
lu_object_init(lo, NULL, ld);
mco->mco_obj.mo_ops = &mdc_mo_ops;
mco->mco_obj.mo_dir_ops = &mdc_dir_ops;
lo->lo_ops = &mdc_obj_ops;
RETURN(lo);
- } else
- RETURN(NULL);
+ } else
+ RETURN(NULL);
}
+/** Free current mdc object */
static void mdc_object_free(const struct lu_env *env, struct lu_object *lo)
{
struct mdc_object *mco = lu2mdc_obj(lo);
- lu_object_fini(lo);
+ lu_object_fini(lo);
OBD_FREE_PTR(mco);
}
-static int mdc_object_init(const struct lu_env *env, struct lu_object *lo)
+/**
+ * Initialize mdc object. All of them have loh_attr::LOHA_REMOTE set.
+ */
+static int mdc_object_init(const struct lu_env *env, struct lu_object *lo,
+ const struct lu_object_conf *unused)
{
ENTRY;
lo->lo_header->loh_attr |= LOHA_REMOTE;
RETURN(0);
}
-static int mdc_object_print(const struct lu_env *env, void *cookie,
- lu_printer_t p, const struct lu_object *lo)
-{
- return (*p)(env, cookie, LUSTRE_CMM_MDC_NAME"-object@%p", lo);
-}
-
-static struct lu_object_operations mdc_obj_ops = {
+/**
+ * Instance of lu_object_operations for mdc.
+ */
+static const struct lu_object_operations mdc_obj_ops = {
.loo_object_init = mdc_object_init,
.loo_object_free = mdc_object_free,
- .loo_object_print = mdc_object_print,
};
-/* md_object_operations */
+/**
+ * \name The set of md_object_operations.
+ * @{
+ */
+/**
+ * Get mdc_thread_info from lu_context
+ */
static
struct mdc_thread_info *mdc_info_get(const struct lu_env *env)
{
return mci;
}
+/**
+ * Initialize mdc_thread_info.
+ */
static
struct mdc_thread_info *mdc_info_init(const struct lu_env *env)
{
return mci;
}
+/**
+ * Convert attributes from mdt_body to the md_attr.
+ */
static void mdc_body2attr(struct mdt_body *body, struct md_attr *ma)
{
struct lu_attr *la = &ma->ma_attr;
ma->ma_valid = MA_INODE;
}
+/**
+ * Fill the md_attr \a ma with attributes from request.
+ */
static int mdc_req2attr_update(const struct lu_env *env,
struct md_attr *ma)
{
struct mdc_thread_info *mci;
struct ptlrpc_request *req;
struct mdt_body *body;
- struct lov_mds_md *lov;
+ struct lov_mds_md *md;
struct llog_cookie *cookie;
+ void *acl;
ENTRY;
mci = mdc_info_get(env);
LASSERT(ma->ma_capa != NULL);
*ma->ma_capa = *capa;
}
-
- if (!(body->valid & OBD_MD_FLEASIZE))
- RETURN(0);
- if (body->eadatasize == 0) {
- CERROR("OBD_MD_FLEASIZE is set but eadatasize is zero\n");
- RETURN(-EPROTO);
+ if ((body->valid & OBD_MD_FLEASIZE) || (body->valid & OBD_MD_FLDIREA)) {
+ if (body->eadatasize == 0) {
+ CERROR("No size defined for easize field\n");
+ RETURN(-EPROTO);
+ }
+
+ md = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD,
+ body->eadatasize);
+ if (md == NULL)
+ RETURN(-EPROTO);
+
+ LASSERT(ma->ma_lmm != NULL);
+ LASSERT(ma->ma_lmm_size >= body->eadatasize);
+ ma->ma_lmm_size = body->eadatasize;
+ memcpy(ma->ma_lmm, md, ma->ma_lmm_size);
+ ma->ma_valid |= MA_LOV;
}
- lov = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD,
- body->eadatasize);
- if (lov == NULL)
- RETURN(-EPROTO);
+ if (body->valid & OBD_MD_FLCOOKIE) {
+ /*
+ * ACL and cookie share the same body->aclsize, we need
+ * to make sure that they both never come here.
+ */
+ LASSERT(!(body->valid & OBD_MD_FLACL));
- LASSERT(ma->ma_lmm != NULL);
- LASSERT(ma->ma_lmm_size >= body->eadatasize);
- ma->ma_lmm_size = body->eadatasize;
- memcpy(ma->ma_lmm, lov, ma->ma_lmm_size);
- ma->ma_valid |= MA_LOV;
+ if (body->aclsize == 0) {
+ CERROR("No size defined for cookie field\n");
+ RETURN(-EPROTO);
+ }
- if (!(body->valid & OBD_MD_FLCOOKIE))
- RETURN(0);
+ cookie = req_capsule_server_sized_get(&req->rq_pill,
+ &RMF_LOGCOOKIES,
+ body->aclsize);
+ if (cookie == NULL)
+ RETURN(-EPROTO);
- if (body->aclsize == 0) {
- CERROR("OBD_MD_FLCOOKIE is set but cookie size is zero\n");
- RETURN(-EPROTO);
+ LASSERT(ma->ma_cookie != NULL);
+ LASSERT(ma->ma_cookie_size == body->aclsize);
+ memcpy(ma->ma_cookie, cookie, ma->ma_cookie_size);
+ ma->ma_valid |= MA_COOKIE;
}
- cookie = req_capsule_server_sized_get(&req->rq_pill, &RMF_ACL,
- body->aclsize);
- if (cookie == NULL)
- RETURN(-EPROTO);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (body->valid & OBD_MD_FLACL) {
+ if (body->aclsize == 0) {
+ CERROR("No size defined for acl field\n");
+ RETURN(-EPROTO);
+ }
+
+ acl = req_capsule_server_sized_get(&req->rq_pill,
+ &RMF_ACL,
+ body->aclsize);
+ if (acl == NULL)
+ RETURN(-EPROTO);
+
+ LASSERT(ma->ma_acl != NULL);
+ LASSERT(ma->ma_acl_size == body->aclsize);
+ memcpy(ma->ma_acl, acl, ma->ma_acl_size);
+ ma->ma_valid |= MA_ACL_DEF;
+ }
+#endif
- LASSERT(ma->ma_cookie != NULL);
- LASSERT(ma->ma_cookie_size == body->aclsize);
- memcpy(ma->ma_cookie, cookie, ma->ma_cookie_size);
- ma->ma_valid |= MA_COOKIE;
RETURN(0);
}
+/**
+ * The md_object_operations::moo_attr_get() in mdc.
+ */
static int mdc_attr_get(const struct lu_env *env, struct md_object *mo,
struct md_attr *ma)
{
memset(&mci->mci_opdata, 0, sizeof(mci->mci_opdata));
- rc = md_getattr(mc->mc_desc.cl_exp, lu_object_fid(&mo->mo_lu),
- NULL, OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID |
- OBD_MD_FLFLAGS | OBD_MD_FLCROSSREF, 0, &mci->mci_req);
+ memcpy(&mci->mci_opdata.op_fid1, lu_object_fid(&mo->mo_lu),
+ sizeof (struct lu_fid));
+ mci->mci_opdata.op_valid = OBD_MD_FLMODE | OBD_MD_FLUID |
+ OBD_MD_FLGID | OBD_MD_FLFLAGS |
+ OBD_MD_FLCROSSREF;
+
+ rc = md_getattr(mc->mc_desc.cl_exp, &mci->mci_opdata, &mci->mci_req);
if (rc == 0) {
/* get attr from request */
rc = mdc_req2attr_update(env, ma);
RETURN(rc);
}
-static inline struct timespec *mdc_attr_time(struct timespec *t, __u64 seconds)
+/**
+ * Helper to init timspec \a t.
+ */
+static inline struct timespec *mdc_attr_time(struct timespec *t, obd_time seconds)
{
t->tv_sec = seconds;
t->tv_nsec = 0;
return t;
}
-/*
- * XXX: It is only used for set ctime when rename's source on remote MDS.
+/**
+ * The md_object_operations::moo_attr_set() in mdc.
+ *
+ * \note It is only used for set ctime when rename's source on remote MDS.
*/
static int mdc_attr_set(const struct lu_env *env, struct md_object *mo,
const struct md_attr *ma)
} else {
mci->mci_opdata.op_fsuid = la->la_uid;
mci->mci_opdata.op_fsgid = la->la_gid;
- mci->mci_opdata.op_cap = current->cap_effective;
+ mci->mci_opdata.op_cap = cfs_curproc_cap_pack();
mci->mci_opdata.op_suppgids[0] =
mci->mci_opdata.op_suppgids[1] = -1;
}
RETURN(rc);
}
+/**
+ * The md_object_operations::moo_object_create() in mdc.
+ */
static int mdc_object_create(const struct lu_env *env,
struct md_object *mo,
const struct md_op_spec *spec,
int rc, symlen;
uid_t uid;
gid_t gid;
- __u32 cap;
+ cfs_cap_t cap;
ENTRY;
LASSERT(S_ISDIR(la->la_mode));
mci = mdc_info_init(env);
mci->mci_opdata.op_bias = MDS_CROSS_REF;
mci->mci_opdata.op_fid2 = *lu_object_fid(&mo->mo_lu);
-
+
/* Parent fid is needed to create dotdot on the remote node. */
mci->mci_opdata.op_fid1 = *(spec->u.sp_pfid);
mci->mci_opdata.op_mod_time = la->la_ctime;
RETURN(rc);
}
+/**
+ * The md_object_operations::moo_ref_add() in mdc.
+ */
static int mdc_ref_add(const struct lu_env *env, struct md_object *mo,
const struct md_attr *ma)
{
} else {
mci->mci_opdata.op_fsuid = la->la_uid;
mci->mci_opdata.op_fsgid = la->la_gid;
- mci->mci_opdata.op_cap = current->cap_effective;
+ mci->mci_opdata.op_cap = cfs_curproc_cap_pack();
mci->mci_opdata.op_suppgids[0] =
mci->mci_opdata.op_suppgids[1] = -1;
}
RETURN(rc);
}
+/**
+ * The md_object_operations::moo_ref_del() in mdc.
+ */
static int mdc_ref_del(const struct lu_env *env, struct md_object *mo,
struct md_attr *ma)
{
} else {
mci->mci_opdata.op_fsuid = la->la_uid;
mci->mci_opdata.op_fsgid = la->la_gid;
- mci->mci_opdata.op_cap = current->cap_effective;
+ mci->mci_opdata.op_cap = cfs_curproc_cap_pack();
mci->mci_opdata.op_suppgids[0] = -1;
}
}
#ifdef HAVE_SPLIT_SUPPORT
+/** Send page with directory entries to another MDS. */
int mdc_send_page(struct cmm_device *cm, const struct lu_env *env,
struct md_object *mo, struct page *page, __u32 offset)
{
}
#endif
-static struct md_object_operations mdc_mo_ops = {
+/**
+ * Instance of md_object_operations for mdc.
+ */
+static const struct md_object_operations mdc_mo_ops = {
.moo_attr_get = mdc_attr_get,
.moo_attr_set = mdc_attr_set,
.moo_object_create = mdc_object_create,
.moo_ref_add = mdc_ref_add,
.moo_ref_del = mdc_ref_del,
};
+/** @} */
-/* md_dir_operations */
+/**
+ * \name The set of md_dir_operations.
+ * @{
+ */
+/**
+ * The md_dir_operations::mdo_rename_tgt in mdc.
+ */
static int mdc_rename_tgt(const struct lu_env *env, struct md_object *mo_p,
struct md_object *mo_t, const struct lu_fid *lf,
const struct lu_name *lname, struct md_attr *ma)
} else {
mci->mci_opdata.op_fsuid = la->la_uid;
mci->mci_opdata.op_fsgid = la->la_gid;
- mci->mci_opdata.op_cap = current->cap_effective;
+ mci->mci_opdata.op_cap = cfs_curproc_cap_pack();
mci->mci_opdata.op_suppgids[0] =
mci->mci_opdata.op_suppgids[1] = -1;
}
RETURN(rc);
}
-/*
- * Return resulting fid in sfid
- * 0: fids are not relatives
- * fid: fid at which search stopped
+/**
+ * Check the fids are not relatives.
+ * The md_dir_operations::mdo_is_subdir() in mdc.
+ *
+ * Return resulting fid in sfid.
+ * \retval \a sfid = 0 fids are not relatives
+ * \retval \a sfid = FID at which search stopped
*/
static int mdc_is_subdir(const struct lu_env *env, struct md_object *mo,
const struct lu_fid *fid, struct lu_fid *sfid)
body = req_capsule_server_get(&mci->mci_req->rq_pill,
&RMF_MDT_BODY);
LASSERT(body->valid & OBD_MD_FLID);
-
+
CDEBUG(D_INFO, "Remote mdo_is_subdir(), new src "DFID"\n",
PFID(&body->fid1));
*sfid = body->fid1;
RETURN(rc);
}
-static struct md_dir_operations mdc_dir_ops = {
+/** Instance of md_dir_operations for mdc. */
+static const struct md_dir_operations mdc_dir_ops = {
.mdo_is_subdir = mdc_is_subdir,
.mdo_rename_tgt = mdc_rename_tgt
};
+/** @} */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff