#endif
mdl_mode_t mdt_mdl_lock_modes[] = {
- [LCK_MINMODE] = MDL_MINMODE,
- [LCK_EX] = MDL_EX,
- [LCK_PW] = MDL_PW,
- [LCK_PR] = MDL_PR,
- [LCK_CW] = MDL_CW,
- [LCK_CR] = MDL_CR,
- [LCK_NL] = MDL_NL,
- [LCK_GROUP] = MDL_GROUP
+ [LCK_MINMODE] = MDL_MINMODE,
+ [LCK_EX] = MDL_EX,
+ [LCK_PW] = MDL_PW,
+ [LCK_PR] = MDL_PR,
+ [LCK_CW] = MDL_CW,
+ [LCK_CR] = MDL_CR,
+ [LCK_NL] = MDL_NL,
+ [LCK_GROUP] = MDL_GROUP
};
enum ldlm_mode mdt_dlm_lock_modes[] = {
lname->ln_namelen);
/* XXX Workaround for LU-2856
*
- * Zero is a valid return value of full_name_hash, but
- * several users of mlh_pdo_hash assume a non-zero
- * hash value. We therefore map zero onto an
- * arbitrary, but consistent value (1) to avoid
- * problems further down the road. */
+ * Zero is a valid return value of full_name_hash, but several
+ * users of mlh_pdo_hash assume a non-zero hash value. We
+ * therefore map zero onto an arbitrary, but consistent
+ * value (1) to avoid problems further down the road.
+ */
if (unlikely(lh->mlh_pdo_hash == 0))
lh->mlh_pdo_hash = 1;
} else {
}
static void mdt_lock_pdo_mode(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh)
-{
- mdl_mode_t mode;
- ENTRY;
-
- /*
- * Any dir access needs couple of locks:
- *
- * 1) on part of dir we gonna take lookup/modify;
- *
- * 2) on whole dir to protect it from concurrent splitting and/or to
- * flush client's cache for readdir().
- *
- * so, for a given mode and object this routine decides what lock mode
- * to use for lock #2:
- *
- * 1) if caller's gonna lookup in dir then we need to protect dir from
- * being splitted only - LCK_CR
- *
- * 2) if caller's gonna modify dir then we need to protect dir from
- * being splitted and to flush cache - LCK_CW
- *
- * 3) if caller's gonna modify dir and that dir seems ready for
- * splitting then we need to protect it from any type of access
- * (lookup/modify/split) - LCK_EX --bzzz
- */
-
- LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
- LASSERT(lh->mlh_pdo_mode == LCK_MINMODE);
-
- /*
- * Ask underlaying level its opinion about preferable PDO lock mode
- * having access type passed as regular lock mode:
- *
- * - MDL_MINMODE means that lower layer does not want to specify lock
- * mode;
- *
- * - MDL_NL means that no PDO lock should be taken. This is used in some
- * cases. Say, for non-splittable directories no need to use PDO locks
- * at all.
- */
- mode = mdo_lock_mode(info->mti_env, mdt_object_child(o),
- mdt_dlm_mode2mdl_mode(lh->mlh_reg_mode));
-
- if (mode != MDL_MINMODE) {
- lh->mlh_pdo_mode = mdt_mdl_mode2dlm_mode(mode);
- } else {
- /*
- * Lower layer does not want to specify locking mode. We do it
- * our selves. No special protection is needed, just flush
- * client's cache on modification and allow concurrent
- * mondification.
- */
- switch (lh->mlh_reg_mode) {
- case LCK_EX:
- lh->mlh_pdo_mode = LCK_EX;
- break;
- case LCK_PR:
- lh->mlh_pdo_mode = LCK_CR;
- break;
- case LCK_PW:
- lh->mlh_pdo_mode = LCK_CW;
- break;
- default:
- CERROR("Not expected lock type (0x%x)\n",
- (int)lh->mlh_reg_mode);
- LBUG();
- }
- }
-
- LASSERT(lh->mlh_pdo_mode != LCK_MINMODE);
- EXIT;
+ struct mdt_lock_handle *lh)
+{
+ mdl_mode_t mode;
+
+ ENTRY;
+
+ /*
+ * Any dir access needs couple of locks:
+ *
+ * 1) on part of dir we gonna take lookup/modify;
+ *
+ * 2) on whole dir to protect it from concurrent splitting and/or to
+ * flush client's cache for readdir().
+ *
+ * so, for a given mode and object this routine decides what lock mode
+ * to use for lock #2:
+ *
+ * 1) if caller's gonna lookup in dir then we need to protect dir from
+ * being splitted only - LCK_CR
+ *
+ * 2) if caller's gonna modify dir then we need to protect dir from
+ * being splitted and to flush cache - LCK_CW
+ *
+ * 3) if caller's gonna modify dir and that dir seems ready for
+ * splitting then we need to protect it from any type of access
+ * (lookup/modify/split) - LCK_EX --bzzz
+ */
+
+ LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
+ LASSERT(lh->mlh_pdo_mode == LCK_MINMODE);
+
+ /*
+ * Ask underlaying level its opinion about preferable PDO lock mode
+ * having access type passed as regular lock mode:
+ *
+ * - MDL_MINMODE means that lower layer does not want to specify lock
+ * mode;
+ *
+ * - MDL_NL means that no PDO lock should be taken. This is used in some
+ * cases. Say, for non-splittable directories no need to use PDO locks
+ * at all.
+ */
+ mode = mdo_lock_mode(info->mti_env, mdt_object_child(o),
+ mdt_dlm_mode2mdl_mode(lh->mlh_reg_mode));
+
+ if (mode != MDL_MINMODE) {
+ lh->mlh_pdo_mode = mdt_mdl_mode2dlm_mode(mode);
+ } else {
+ /*
+ * Lower layer does not want to specify locking mode. We do it
+ * our selves. No special protection is needed, just flush
+ * client's cache on modification and allow concurrent
+ * mondification.
+ */
+ switch (lh->mlh_reg_mode) {
+ case LCK_EX:
+ lh->mlh_pdo_mode = LCK_EX;
+ break;
+ case LCK_PR:
+ lh->mlh_pdo_mode = LCK_CR;
+ break;
+ case LCK_PW:
+ lh->mlh_pdo_mode = LCK_CW;
+ break;
+ default:
+ CERROR("Not expected lock type (0x%x)\n",
+ (int)lh->mlh_reg_mode);
+ LBUG();
+ }
+ }
+
+ LASSERT(lh->mlh_pdo_mode != LCK_MINMODE);
+ EXIT;
}
/**
CDEBUG(D_INFO, "nodemap fileset is %s\n", nodemap_fileset);
if (fileset) {
/* consider fileset from client as a sub-fileset
- * of the nodemap one */
+ * of the nodemap one
+ */
OBD_ALLOC(buffer, PATH_MAX + 1);
if (buffer == NULL)
GOTO(out, rc = err_serious(-ENOMEM));
msf = &mdt->mdt_osfs;
if (msf->msf_age + OBD_STATFS_CACHE_SECONDS <= ktime_get_seconds()) {
- /** statfs data is too old, get up-to-date one */
- if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
- rc = next->md_ops->mdo_statfs(info->mti_env,
- next, osfs);
- else
- rc = dt_statfs(info->mti_env, mdt->mdt_bottom,
- osfs);
- if (rc)
- GOTO(out, rc);
- spin_lock(&mdt->mdt_lock);
- msf->msf_osfs = *osfs;
- msf->msf_age = ktime_get_seconds();
- spin_unlock(&mdt->mdt_lock);
+ /** statfs data is too old, get up-to-date one */
+ if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
+ rc = next->md_ops->mdo_statfs(info->mti_env, next,
+ osfs);
+ else
+ rc = dt_statfs(info->mti_env, mdt->mdt_bottom, osfs);
+ if (rc)
+ GOTO(out, rc);
+ spin_lock(&mdt->mdt_lock);
+ msf->msf_osfs = *osfs;
+ msf->msf_age = ktime_get_seconds();
+ spin_unlock(&mdt->mdt_lock);
} else {
- /** use cached statfs data */
- spin_lock(&mdt->mdt_lock);
- *osfs = msf->msf_osfs;
- spin_unlock(&mdt->mdt_lock);
+ /** use cached statfs data */
+ spin_lock(&mdt->mdt_lock);
+ *osfs = msf->msf_osfs;
+ spin_unlock(&mdt->mdt_lock);
}
/* tgd_blockbit is recordsize bits set during mkfs.
*/
current_blockbits = fls64(osfs->os_bsize) - 1;
- /* at least try to account for cached pages. its still racy and
- * might be under-reporting if clients haven't announced their
- * caches with brw recently */
- CDEBUG(D_SUPER | D_CACHE, "blocks cached %llu granted %llu"
- " pending %llu free %llu avail %llu\n",
+ /* Account for cached pages. its still racy and might be under-reporting
+ * if clients haven't announced their caches with brw recently
+ */
+ CDEBUG(D_SUPER | D_CACHE, "blocks cached %llu granted %llu pending %llu free %llu avail %llu\n",
tgd->tgd_tot_dirty, tgd->tgd_tot_granted,
tgd->tgd_tot_pending,
osfs->os_bfree << current_blockbits,
* should not see a block size > page size, otherwise
* cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
* block size which is the biggest block size known to work
- * with all client's page size. */
+ * with all client's page size.
+ */
osfs->os_blocks <<= current_blockbits - COMPAT_BSIZE_SHIFT;
osfs->os_bfree <<= current_blockbits - COMPAT_BSIZE_SHIFT;
osfs->os_bavail <<= current_blockbits - COMPAT_BSIZE_SHIFT;
RETURN(dom_stripesize);
}
-/**
- * Pack size attributes into the reply.
- */
+/* Pack size attributes into the reply. */
int mdt_pack_size2body(struct mdt_thread_info *info,
const struct lu_fid *fid, struct lustre_handle *lh)
{
RETURN(0);
/* Either DoM lock exists or LMM has only DoM stripe then
- * return size on body. */
+ * return size on body.
+ */
b = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
mdt_dom_object_size(info->mti_env, info->mti_mdt, fid, b, dom_lock);
}
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
- const struct lu_attr *attr, const struct lu_fid *fid)
+ const struct lu_attr *attr, const struct lu_fid *fid)
{
struct mdt_device *mdt = info->mti_mdt;
struct obd_export *exp = info->mti_exp;
/* just ignore blocks occupied by extend attributes on MDS */
b->mbo_blocks = 0;
/* if no object is allocated on osts, the size on mds is valid.
- * b=22272 */
+ * b=22272
+ */
b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
} else if ((ma->ma_valid & MA_LOV) && ma->ma_lmm != NULL) {
if (mdt_hsm_is_released(ma->ma_lmm)) {
void mdt_client_compatibility(struct mdt_thread_info *info)
{
- struct mdt_body *body;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct obd_export *exp = req->rq_export;
- struct md_attr *ma = &info->mti_attr;
- struct lu_attr *la = &ma->ma_attr;
- ENTRY;
+ struct mdt_body *body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct obd_export *exp = req->rq_export;
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+
+ ENTRY;
if (exp_connect_layout(exp))
/* the client can deal with 16-bit lmm_stripe_count */
RETURN_EXIT;
- body = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ body = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- if (!mdt_body_has_lov(la, body))
- RETURN_EXIT;
+ if (!mdt_body_has_lov(la, body))
+ RETURN_EXIT;
- /* now we have a reply with a lov for a client not compatible with the
- * layout lock so we have to clean the layout generation number */
- if (S_ISREG(la->la_mode))
- ma->ma_lmm->lmm_layout_gen = 0;
- EXIT;
+ /* now we have a reply with a lov for a client not compatible with the
+ * layout lock so we have to clean the layout generation number
+ */
+ if (S_ISREG(la->la_mode))
+ ma->ma_lmm->lmm_layout_gen = 0;
+ EXIT;
}
static int mdt_attr_get_eabuf_size(struct mdt_thread_info *info,
{
const struct lu_env *env = info->mti_env;
int rc;
+
ENTRY;
LASSERT(info->mti_big_lmm_used == 0);
!(exp_connect_flags(info->mti_exp) &
OBD_CONNECT_LFSCK)) {
return -EIO;
- } else {
- ma->ma_lmm_size = rc;
- ma->ma_valid |= MA_LOV;
}
+ ma->ma_lmm_size = rc;
+ ma->ma_valid |= MA_LOV;
} else if (strcmp(name, XATTR_NAME_LMV) == 0) {
if (info->mti_big_lmm_used)
ma->ma_lmv = info->mti_big_lmm;
rc = 0;
} else if (rc == -ERANGE) {
/* Default LMV has fixed size, so it must be able to fit
- * in the original buffer */
+ * in the original buffer
+ */
if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0)
return rc;
rc = mdt_big_xattr_get(info, o, name);
struct link_ea_header *leh;
struct link_ea_entry *lee;
int rc;
+
ENTRY;
buf->lb_buf = info->mti_big_lmm;
rc = mo_xattr_get(info->mti_env, mdt_object_child(o),
buf, XATTR_NAME_LINK);
/* ignore errors, MA_PFID won't be set and it is
- * up to the caller to treat this as an error */
+ * up to the caller to treat this as an error
+ */
if (rc == -ERANGE || buf->lb_len == 0) {
rc = mdt_big_xattr_get(info, o, XATTR_NAME_LINK);
buf->lb_buf = info->mti_big_lmm;
int need = ma->ma_need;
int rc = 0, rc2;
u32 mode;
+
ENTRY;
ma->ma_valid = 0;
GOTO(out, rc);
}
- /*
- * In the handle of MA_INODE, we may already get the SOM attr.
- */
+ /* In the handle of MA_INODE, we may already get the SOM attr. */
if (need & MA_SOM && S_ISREG(mode) && !(ma->ma_valid & MA_SOM)) {
rc = mdt_get_som(info, o, ma);
if (rc != 0)
ma->ma_valid = 0;
if (mdt_object_remote(o)) {
- /* This object is located on remote node.*/
- /* Return -ENOTSUPP for old client */
+ /* obj is located on remote node Return -ENOTSUPP(old client) */
if (!mdt_is_dne_client(req->rq_export))
GOTO(out, rc = -ENOTSUPP);
reqbody->mbo_valid & OBD_MD_LINKNAME) {
buffer->lb_buf = ma->ma_lmm;
/* eadatasize from client includes NULL-terminator, so
- * there is no need to read it */
+ * there is no need to read it
+ */
buffer->lb_len = reqbody->mbo_eadatasize - 1;
rc = mo_readlink(env, next, buffer);
if (unlikely(rc <= 0)) {
rc -= 2;
repbody->mbo_valid |= OBD_MD_LINKNAME;
/* we need to report back size with NULL-terminator
- * because client expects that */
+ * because client expects that
+ */
repbody->mbo_eadatasize = rc + 1;
if (repbody->mbo_eadatasize != reqbody->mbo_eadatasize)
- CDEBUG(D_INODE, "%s: Read shorter symlink %d "
- "on "DFID ", expected %d\n",
+ CDEBUG(D_INODE, "%s: Read shorter symlink %d on "
+ DFID ", expected %d\n",
mdt_obd_name(info->mti_mdt),
rc, PFID(mdt_object_fid(o)),
reqbody->mbo_eadatasize - 1);
/* If the total CDEBUG() size is larger than a page, it
* will print a warning to the console, avoid this by
- * printing just the last part of the symlink. */
+ * printing just the last part of the symlink.
+ */
CDEBUG(D_INODE, "symlink dest %s%.*s, len = %d\n",
print_limit < rc ? "..." : "", print_limit,
(char *)ma->ma_lmm + rc - print_limit, rc);
if ((exp_connect_flags(req->rq_export) & OBD_CONNECT_ACL) &&
(reqbody->mbo_valid & OBD_MD_FLACL)) {
struct lu_nodemap *nodemap = nodemap_get_from_exp(exp);
+
if (IS_ERR(nodemap))
RETURN(PTR_ERR(nodemap));
static int mdt_getattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
- struct mdt_object *obj = info->mti_object;
- struct req_capsule *pill = info->mti_pill;
- struct mdt_body *reqbody;
- struct mdt_body *repbody;
- int rc, rc2;
- ENTRY;
+ struct mdt_object *obj = info->mti_object;
+ struct req_capsule *pill = info->mti_pill;
+ struct mdt_body *reqbody;
+ struct mdt_body *repbody;
+ int rc, rc2;
+
+ ENTRY;
if (unlikely(info->mti_object == NULL))
RETURN(-EPROTO);
/* Unlike intent case where we need to pre-fill out buffers early on
* in intent policy for ldlm reasons, here we can have a much better
* guess at EA size by just reading it from disk.
- * Exceptions are readdir and (missing) directory striping */
- /* Readlink */
- if (reqbody->mbo_valid & OBD_MD_LINKNAME) {
+ * Exceptions are readdir and (missing) directory striping
+ */
+ if (reqbody->mbo_valid & OBD_MD_LINKNAME) { /* Readlink */
/* No easy way to know how long is the symlink, but it cannot
- * be more than PATH_MAX, so we allocate +1 */
+ * be more than PATH_MAX, so we allocate +1
+ */
rc = PATH_MAX + 1;
/* A special case for fs ROOT: getattr there might fetch
* default EA for entire fs, not just for this dir!
(lustre_msg_get_opc(mdt_info_req(info)->rq_reqmsg) ==
MDS_GETATTR)) {
/* Should the default strping be bigger, mdt_fix_reply
- * will reallocate */
+ * will reallocate
+ */
rc = DEF_REP_MD_SIZE;
} else {
/* Read the actual EA size from disk */
/* Set ACL reply buffer size as LUSTRE_POSIX_ACL_MAX_SIZE_OLD
* by default. If the target object has more ACL entries, then
- * enlarge the buffer when necessary. */
+ * enlarge the buffer when necessary.
+ */
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
mdt_preset_encctx_size(info);
if (unlikely(rc != 0))
GOTO(out, rc = err_serious(rc));
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
- LASSERT(repbody != NULL);
+ repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ LASSERT(repbody != NULL);
repbody->mbo_eadatasize = 0;
repbody->mbo_aclsize = 0;
struct mdt_lock_handle *lh1, *lh2;
struct mdc_swap_layouts *msl;
int rc;
+
ENTRY;
/* client does not support layout lock, so layout swaping
* layout lock yet. If those clients have already opened the file
* they won't be notified at all so that old layout may still be
* used to do IO. This can be fixed after file release is landed by
- * doing exclusive open and taking full EX ibits lock. - Jinshan */
+ * doing exclusive open and taking full EX ibits lock. - Jinshan
+ */
if (!exp_connect_layout(exp))
RETURN(-EOPNOTSUPP);
swap(o1, o2);
/* permission check. Make sure the calling process having permission
- * to write both files. */
+ * to write both files.
+ */
rc = mo_permission(info->mti_env, NULL, mdt_object_child(o1), NULL,
MAY_WRITE);
if (rc < 0)
* (2)intent request will grant the lock to client.
*/
static int mdt_getattr_name_lock(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc,
- __u64 child_bits,
- struct ldlm_reply *ldlm_rep)
+ struct mdt_lock_handle *lhc,
+ __u64 child_bits,
+ struct ldlm_reply *ldlm_rep)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct mdt_body *reqbody = NULL;
mdt_set_disposition(info, ldlm_rep,
DISP_LOOKUP_EXECD | DISP_LOOKUP_POS);
child = parent;
- CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", "
- "ldlm_rep = %p\n",
+ CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", ldlm_rep = %p\n",
PFID(mdt_object_fid(child)), ldlm_rep);
rc = mdt_check_resent_lock(info, child, lhc);
RETURN(PTR_ERR(child));
}
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
- "ldlm_rep = %p\n",
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", ldlm_rep = %p\n",
PFID(mdt_object_fid(parent)),
PFID(&reqbody->mbo_fid2), ldlm_rep);
} else if (lu_name_is_valid(lname)) {
RETURN(-EPROTO);
}
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DNAME", "
- "ldlm_rep = %p\n", PFID(mdt_object_fid(parent)),
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DNAME", ldlm_rep = %p\n",
+ PFID(mdt_object_fid(parent)),
PNAME(lname), ldlm_rep);
if (parent->mot_obj.lo_header->loh_attr & LOHA_FSCRYPT_MD ||
if (rc)
child_bits &= ~MDS_INODELOCK_LOOKUP;
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
- "ldlm_rep = %p\n",
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", ldlm_rep = %p\n",
PFID(mdt_object_fid(parent)),
PFID(&reqbody->mbo_fid2), ldlm_rep);
}
RETURN(rc);
}
- /* step 2: lookup child's fid by name */
- fid_zero(child_fid);
+ /* step 2: lookup child's fid by name */
+ fid_zero(child_fid);
rc = mdo_lookup(info->mti_env, mdt_object_child(parent), lname,
child_fid, &info->mti_spec);
if (rc == -ENOENT)
* return not only a LOOKUP lock, but also an UPDATE
* lock and this might save us RPC on later STAT. For
* directories, it also let negative dentry cache start
- * working for this dir. */
+ * working for this dir.
+ */
if (ma->ma_valid & MA_INODE &&
ma->ma_attr.la_valid & LA_CTIME &&
info->mti_mdt->mdt_namespace->ns_ctime_age_limit +
}
/* layout lock must be granted in a best-effort way
- * for IT operations */
+ * for IT operations
+ */
LASSERT(!(child_bits & MDS_INODELOCK_LAYOUT));
if (S_ISREG(lu_object_attr(&child->mot_obj)) &&
!mdt_object_remote(child) && ldlm_rep != NULL) {
if (try_bits != 0) {
/* try layout lock, it may fail to be granted due to
- * contention at LOOKUP or UPDATE */
+ * contention at LOOKUP or UPDATE
+ */
rc = mdt_object_lock_try(info, child, lhc, &child_bits,
try_bits, LCK_PR);
if (child_bits & MDS_INODELOCK_LAYOUT)
ma_need |= MA_LOV;
} else {
/* Do not enqueue the UPDATE lock from MDT(cross-MDT),
- * client will enqueue the lock to the remote MDT */
+ * client will enqueue the lock to the remote MDT
+ */
if (mdt_object_remote(child))
rc = mdt_object_lookup_lock(info, NULL, child,
lhc, LCK_PR);
struct mdt_lock_handle *child_lh;
struct mdt_object *pobj;
int rc;
+
ENTRY;
pobj = mdt_object_find(info->mti_env, mdt, pfid);
struct md_attr *ma = &info->mti_attr;
struct lu_attr *la = &ma->ma_attr;
int rc = 0;
+
ENTRY;
ma->ma_need = MA_INODE;
GOTO(out, rc);
if (la->la_flags & LUSTRE_IMMUTABLE_FL)
- rc = -EACCES;
+ rc = -EACCES;
/* we want rbac roles to have precedence over any other
* permission or capability checks
if (cap_raised(uc->uc_cap, CAP_DAC_OVERRIDE))
RETURN(0);
if (uc->uc_fsuid == la->la_uid) {
- if ((la->la_mode & S_IWUSR) == 0)
+ if ((la->la_mode & 0200) == 0)
rc = -EACCES;
} else if (uc->uc_fsgid == la->la_gid) {
- if ((la->la_mode & S_IWGRP) == 0)
+ if ((la->la_mode & 0020) == 0)
rc = -EACCES;
- } else if ((la->la_mode & S_IWOTH) == 0) {
+ } else if ((la->la_mode & 0002) == 0) {
rc = -EACCES;
}
struct link_ea_header *leh;
struct link_ea_entry *lee;
int reclen, count, rc = 0;
+
ENTRY;
if (!fid_is_sane(fid))
int bufsize, rc;
__u32 *rcs;
int i, nr;
+
ENTRY;
reqbody = req_capsule_client_get(tsi->tsi_pill, &RMF_MDT_BODY);
is_grant_shrink = KEY_IS(KEY_GRANT_SHRINK);
if (is_grant_shrink)
/* In this case the value is actually an RMF_OST_BODY, so we
- * transmutate the type of this PTLRPC */
+ * transmutate the type of this PTLRPC
+ */
req_capsule_extend(tsi->tsi_pill, &RQF_OST_SET_GRANT_INFO);
rc = req_capsule_server_pack(tsi->tsi_pill);
repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_MDT_BODY);
if (repbody == NULL || reqbody == NULL)
- RETURN(err_serious(-EFAULT));
+ RETURN(err_serious(-EFAULT));
- /*
- * prepare @rdpg before calling lower layers and transfer itself. Here
- * reqbody->size contains offset of where to start to read and
- * reqbody->nlink contains number bytes to read.
- */
+ /*
+ * prepare @rdpg before calling lower layers and transfer itself. Here
+ * reqbody->size contains offset of where to start to read and
+ * reqbody->nlink contains number bytes to read.
+ */
rdpg->rp_hash = reqbody->mbo_size;
if (rdpg->rp_hash != reqbody->mbo_size) {
CERROR("Invalid hash: %#llx != %#llx\n",
if ((attr->la_valid & LA_UID) && (attr->la_uid != -1))
attr->la_uid = uc->uc_fsuid;
/* for S_ISGID, inherit gid from his parent, such work will be
- * done in cmm/mdd layer, here set all cases as uc->uc_fsgid. */
+ * done in cmm/mdd layer, here set all cases as uc->uc_fsgid.
+ */
if ((attr->la_valid & LA_GID) && (attr->la_gid != -1))
attr->la_gid = uc->uc_fsgid;
}
}
static int mdt_reint_internal(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc,
- __u32 op)
+ struct mdt_lock_handle *lhc,
+ __u32 op)
{
struct req_capsule *pill = info->mti_pill;
struct mdt_body *repbody;
/* check if the file system is set to readonly. O_RDONLY open
- * is still allowed even the file system is set to readonly mode */
+ * is still allowed even the file system is set to readonly mode
+ */
if (mdt_rdonly(info->mti_exp) && !mdt_is_readonly_open(info, op))
RETURN(err_serious(-EROFS));
/* Set ACL reply buffer size as LUSTRE_POSIX_ACL_MAX_SIZE_OLD
* by default. If the target object has more ACL entries, then
- * enlarge the buffer when necessary. */
+ * enlarge the buffer when necessary.
+ */
if (req_capsule_has_field(pill, &RMF_ACL, RCL_SERVER))
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
req_capsule_extend(&req->rq_pill, fmt[opc]);
else {
mdt = mdt_exp2dev(req->rq_export);
- CERROR("%s: Unsupported opcode '%ld' from client '%s':"
- " rc = %d\n", req->rq_export->exp_obd->obd_name,
+ CERROR("%s: Unsupported opcode '%ld' from client '%s': rc = %d\n",
+ req->rq_export->exp_obd->obd_name,
opc, mdt->mdt_ldlm_client->cli_name, -EFAULT);
opc = err_serious(-EFAULT);
}
/* this should sync the whole device */
int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt)
{
- struct dt_device *dt = mdt->mdt_bottom;
- int rc;
- ENTRY;
+ struct dt_device *dt = mdt->mdt_bottom;
+ int rc;
+
+ ENTRY;
- rc = dt->dd_ops->dt_sync(env, dt);
- RETURN(rc);
+ rc = dt->dd_ops->dt_sync(env, dt);
+ RETURN(rc);
}
/* this should sync this object */
repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY);
- /* if no fid is specified then do nothing,
- * device sync is done via MDS_SYNC */
+ /* device sync is done via MDS_SYNC. NOOP if no fid is specified */
if (fid_is_zero(&tsi->tsi_fid))
RETURN(0);
struct mdt_device *mdt = mdt_exp2dev(exp);
struct lu_device *qmt = mdt->mdt_qmt_dev;
struct lu_nodemap *nodemap;
+
ENTRY;
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
* context into our context list here.
*/
static int mdt_llog_ctxt_clone(const struct lu_env *env, struct mdt_device *mdt,
- int idx)
+ int idx)
{
- struct md_device *next = mdt->mdt_child;
- struct llog_ctxt *ctxt;
- int rc;
+ struct md_device *next = mdt->mdt_child;
+ struct llog_ctxt *ctxt;
+ int rc;
- if (!llog_ctxt_null(mdt2obd_dev(mdt), idx))
- return 0;
+ if (!llog_ctxt_null(mdt2obd_dev(mdt), idx))
+ return 0;
- rc = next->md_ops->mdo_llog_ctxt_get(env, next, idx, (void **)&ctxt);
- if (rc || ctxt == NULL) {
+ rc = next->md_ops->mdo_llog_ctxt_get(env, next, idx, (void **)&ctxt);
+ if (rc || ctxt == NULL)
return 0;
- }
- rc = llog_group_set_ctxt(&mdt2obd_dev(mdt)->obd_olg, ctxt, idx);
- if (rc)
- CERROR("Can't set mdt ctxt %d\n", rc);
+ rc = llog_group_set_ctxt(&mdt2obd_dev(mdt)->obd_olg, ctxt, idx);
+ if (rc)
+ CERROR("Can't set mdt ctxt %d\n", rc);
- return rc;
+ return rc;
}
static int mdt_llog_ctxt_unclone(const struct lu_env *env,
- struct mdt_device *mdt, int idx)
+ struct mdt_device *mdt, int idx)
{
- struct llog_ctxt *ctxt;
+ struct llog_ctxt *ctxt;
- ctxt = llog_get_context(mdt2obd_dev(mdt), idx);
- if (ctxt == NULL)
- return 0;
- /* Put once for the get we just did, and once for the clone */
- llog_ctxt_put(ctxt);
- llog_ctxt_put(ctxt);
- return 0;
+ ctxt = llog_get_context(mdt2obd_dev(mdt), idx);
+ if (ctxt == NULL)
+ return 0;
+ /* Put once for the get we just did, and once for the clone */
+ llog_ctxt_put(ctxt);
+ llog_ctxt_put(ctxt);
+ return 0;
}
/*
struct mdt_device *mdt = mdt_exp2dev(tsi->tsi_exp);
struct lu_device *qmt = mdt->mdt_qmt_dev;
int rc;
+
ENTRY;
if (qmt == NULL)
struct lu_object_conf conf = { .loc_flags = LOC_F_NEW };
struct lu_object *o;
struct mdt_object *m;
+
ENTRY;
CDEBUG(D_INFO, "Allocate object for "DFID"\n", PFID(f));
{
struct lu_object *o;
struct mdt_object *m;
+
ENTRY;
CDEBUG(D_INFO, "Find object for "DFID"\n", PFID(f));
* \param mdt the mdt device
*/
static void mdt_device_commit_async(const struct lu_env *env,
- struct mdt_device *mdt)
+ struct mdt_device *mdt)
{
struct dt_device *dt = mdt->mdt_bottom;
int rc;
+
ENTRY;
rc = dt->dd_ops->dt_commit_async(env, dt);
*/
static inline void mdt_set_lock_sync(struct ldlm_lock *lock)
{
- lock->l_ast_data = (void*)1;
+ lock->l_ast_data = (void *)1;
}
/**
*/
static inline int mdt_is_lock_sync(struct ldlm_lock *lock)
{
- return lock->l_ast_data != NULL;
+ return lock->l_ast_data != NULL;
}
/**
rc = lu_env_init(&env, LCT_LOCAL);
if (unlikely(rc != 0))
- CWARN("%s: lu_env initialization failed, cannot "
- "start asynchronous commit: rc = %d\n",
+ CWARN("%s: lu_env initialization failed, cannot start asynchronous commit: rc = %d\n",
obd->obd_name, rc);
else
mdt_device_commit_async(&env, mdt);
void *data, int flag)
{
int rc = 0;
+
ENTRY;
switch (flag) {
LDLM_DEBUG(lock, "Revoke remote lock");
/* discard slc lock here so that it can be cleaned anytime,
- * especially for cleanup_resource() */
+ * especially for cleanup_resource()
+ */
tgt_discard_slc_lock(&mdt->mdt_lut, lock);
/* once we cache lock, l_ast_data is set to mdt_object */
if (lock == NULL) {
/* Lock is pinned by ldlm_handle_enqueue0() as it is
* a resend case, however, it could be already destroyed
- * due to client eviction or a raced cancel RPC. */
+ * due to client eviction or a raced cancel RPC.
+ */
LDLM_DEBUG_NOLOCK("Invalid lock handle %#llx",
lhc->mlh_reg_lh.cookie);
RETURN(-ESTALE);
if (!fid_res_name_eq(mdt_object_fid(mo),
&lock->l_resource->lr_name)) {
- CWARN("%s: Although resent, but still not "
- "get child lock:"DFID"\n",
+ CWARN("%s: Although resent, but still not get child lock:"
+ DFID"\n",
info->mti_exp->exp_obd->obd_name,
PFID(mdt_object_fid(mo)));
LDLM_LOCK_PUT(lock);
h->cookie);
/* there is no request if mdt_object_unlock() is called
- * from mdt_export_cleanup()->mdt_add_dirty_flag() */
+ * from mdt_export_cleanup()->mdt_add_dirty_flag()
+ */
if (likely(req != NULL)) {
- LDLM_DEBUG(lock, "save lock request %p reply "
- "state %p transno %lld", req,
+ LDLM_DEBUG(lock, "save lock request %p reply state %p transno %lld",
+ req,
req->rq_reply_state, req->rq_transno);
if (mdt_cos_is_enabled(mdt)) {
mode = LCK_COS;
return o;
}
-void mdt_object_unlock_put(struct mdt_thread_info * info,
+void mdt_object_unlock_put(struct mdt_thread_info *info,
struct mdt_object *o,
struct mdt_lock_handle *lh,
int decref)
static int mdt_body_unpack(struct mdt_thread_info *info,
enum tgt_handler_flags flags)
{
- const struct mdt_body *body;
- struct mdt_object *obj;
- const struct lu_env *env;
- struct req_capsule *pill;
- int rc;
- ENTRY;
+ const struct mdt_body *body;
+ struct mdt_object *obj;
+ const struct lu_env *env;
+ struct req_capsule *pill;
+ int rc;
- env = info->mti_env;
- pill = info->mti_pill;
+ ENTRY;
+
+ env = info->mti_env;
+ pill = info->mti_pill;
- body = info->mti_body = req_capsule_client_get(pill, &RMF_MDT_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ body = info->mti_body = req_capsule_client_get(pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
if (!(body->mbo_valid & OBD_MD_FLID))
RETURN(0);
if (!fid_is_sane(&body->mbo_fid1)) {
CERROR("Invalid fid: "DFID"\n", PFID(&body->mbo_fid1));
- RETURN(-EINVAL);
- }
+ RETURN(-EINVAL);
+ }
obj = mdt_object_find(env, info->mti_mdt, &body->mbo_fid1);
if (!IS_ERR(obj)) {
if ((flags & HAS_BODY) && !mdt_object_exists(obj)) {
mdt_object_put(env, obj);
rc = -ENOENT;
- } else {
- info->mti_object = obj;
- rc = 0;
- }
- } else
- rc = PTR_ERR(obj);
+ } else {
+ info->mti_object = obj;
+ rc = 0;
+ }
+ } else
+ rc = PTR_ERR(obj);
- RETURN(rc);
+ RETURN(rc);
}
static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info,
/* Set ACL reply buffer size as LUSTRE_POSIX_ACL_MAX_SIZE_OLD
* by default. If the target object has more ACL entries, then
- * enlarge the buffer when necessary. */
+ * enlarge the buffer when necessary.
+ */
if (req_capsule_has_field(pill, &RMF_ACL, RCL_SERVER))
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
void mdt_thread_info_init(struct ptlrpc_request *req,
struct mdt_thread_info *info)
{
- info->mti_pill = &req->rq_pill;
+ info->mti_pill = &req->rq_pill;
- /* mdt device: it can be NULL while CONNECT */
- if (req->rq_export) {
- info->mti_mdt = mdt_dev(req->rq_export->exp_obd->obd_lu_dev);
- info->mti_exp = req->rq_export;
- } else
- info->mti_mdt = NULL;
+ /* mdt device: it can be NULL while CONNECT */
+ if (req->rq_export) {
+ info->mti_mdt = mdt_dev(req->rq_export->exp_obd->obd_lu_dev);
+ info->mti_exp = req->rq_export;
+ } else
+ info->mti_mdt = NULL;
info->mti_env = req->rq_svc_thread->t_env;
info->mti_transno = lustre_msg_get_transno(req->rq_reqmsg);
info->mti_big_buf = LU_BUF_NULL;
struct mdt_lock_handle *lh,
__u64 flags, int result)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct ldlm_lock *lock = *lockp;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct ldlm_lock *lock = *lockp;
struct ldlm_lock *new_lock;
/* If possible resent found a lock, @lh is set to its handle */
RETURN(result);
}
- /*
- * If we've already given this lock to a client once, then we should
- * have no readers or writers. Otherwise, we should have one reader
- * _or_ writer ref (which will be zeroed below) before returning the
- * lock to a client.
- */
- if (new_lock->l_export == req->rq_export) {
- LASSERT(new_lock->l_readers + new_lock->l_writers == 0);
- } else {
- LASSERT(new_lock->l_export == NULL);
- LASSERT(new_lock->l_readers + new_lock->l_writers == 1);
- }
-
- *lockp = new_lock;
-
- if (new_lock->l_export == req->rq_export) {
- /*
- * Already gave this to the client, which means that we
- * reconstructed a reply.
- */
- LASSERT(lustre_msg_get_flags(req->rq_reqmsg) &
- MSG_RESENT);
+ /*
+ * If we've already given this lock to a client once, then we should
+ * have no readers or writers. Otherwise, we should have one reader
+ * _or_ writer ref (which will be zeroed below) before returning the
+ * lock to a client.
+ */
+ if (new_lock->l_export == req->rq_export) {
+ LASSERT(new_lock->l_readers + new_lock->l_writers == 0);
+ } else {
+ LASSERT(new_lock->l_export == NULL);
+ LASSERT(new_lock->l_readers + new_lock->l_writers == 1);
+ }
+
+ *lockp = new_lock;
+
+ if (new_lock->l_export == req->rq_export) {
+ /*
+ * Already gave this to the client, which means that we
+ * reconstructed a reply.
+ */
+ LASSERT(lustre_msg_get_flags(req->rq_reqmsg) &
+ MSG_RESENT);
LDLM_LOCK_RELEASE(new_lock);
- lh->mlh_reg_lh.cookie = 0;
- RETURN(ELDLM_LOCK_REPLACED);
- }
-
- /*
- * Fixup the lock to be given to the client.
- */
- lock_res_and_lock(new_lock);
- /* Zero new_lock->l_readers and new_lock->l_writers without triggering
- * possible blocking AST. */
- while (new_lock->l_readers > 0) {
- lu_ref_del(&new_lock->l_reference, "reader", new_lock);
- lu_ref_del(&new_lock->l_reference, "user", new_lock);
- new_lock->l_readers--;
- }
- while (new_lock->l_writers > 0) {
- lu_ref_del(&new_lock->l_reference, "writer", new_lock);
- lu_ref_del(&new_lock->l_reference, "user", new_lock);
- new_lock->l_writers--;
- }
-
- new_lock->l_export = class_export_lock_get(req->rq_export, new_lock);
- new_lock->l_blocking_ast = lock->l_blocking_ast;
- new_lock->l_completion_ast = lock->l_completion_ast;
+ lh->mlh_reg_lh.cookie = 0;
+ RETURN(ELDLM_LOCK_REPLACED);
+ }
+
+ /*
+ * Fixup the lock to be given to the client.
+ */
+ lock_res_and_lock(new_lock);
+ /* Zero new_lock->l_readers and new_lock->l_writers without triggering
+ * possible blocking AST.
+ */
+ while (new_lock->l_readers > 0) {
+ lu_ref_del(&new_lock->l_reference, "reader", new_lock);
+ lu_ref_del(&new_lock->l_reference, "user", new_lock);
+ new_lock->l_readers--;
+ }
+ while (new_lock->l_writers > 0) {
+ lu_ref_del(&new_lock->l_reference, "writer", new_lock);
+ lu_ref_del(&new_lock->l_reference, "user", new_lock);
+ new_lock->l_writers--;
+ }
+
+ new_lock->l_export = class_export_lock_get(req->rq_export, new_lock);
+ new_lock->l_blocking_ast = lock->l_blocking_ast;
+ new_lock->l_completion_ast = lock->l_completion_ast;
if (ldlm_has_dom(new_lock))
new_lock->l_glimpse_ast = ldlm_server_glimpse_ast;
- new_lock->l_remote_handle = lock->l_remote_handle;
- new_lock->l_flags &= ~LDLM_FL_LOCAL;
+ new_lock->l_remote_handle = lock->l_remote_handle;
+ new_lock->l_flags &= ~LDLM_FL_LOCAL;
- unlock_res_and_lock(new_lock);
+ unlock_res_and_lock(new_lock);
- cfs_hash_add(new_lock->l_export->exp_lock_hash,
- &new_lock->l_remote_handle,
- &new_lock->l_exp_hash);
+ cfs_hash_add(new_lock->l_export->exp_lock_hash,
+ &new_lock->l_remote_handle,
+ &new_lock->l_exp_hash);
- LDLM_LOCK_RELEASE(new_lock);
- lh->mlh_reg_lh.cookie = 0;
+ LDLM_LOCK_RELEASE(new_lock);
+ lh->mlh_reg_lh.cookie = 0;
- RETURN(ELDLM_LOCK_REPLACED);
+ RETURN(ELDLM_LOCK_REPLACED);
}
void mdt_intent_fixup_resent(struct mdt_thread_info *info,
struct ldlm_lock *new_lock,
struct mdt_lock_handle *lh, __u64 flags)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct ldlm_request *dlmreq;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct ldlm_request *dlmreq;
- if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))
- return;
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))
+ return;
- dlmreq = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
+ dlmreq = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
- /* Check if this is a resend case (MSG_RESENT is set on RPC) and a
- * lock was found by ldlm_handle_enqueue(); if so @lh must be
- * initialized. */
+ /* if this is a resend case (MSG_RESENT is set on RPC) and a lock was
+ * found by ldlm_handle_enqueue(); if so @lh must be initialized.
+ */
if (flags & LDLM_FL_RESENT) {
lh->mlh_reg_lh.cookie = new_lock->l_handle.h_cookie;
lh->mlh_reg_mode = new_lock->l_granted_mode;
if (req_can_reconstruct(req, NULL) != 0)
return;
- /*
- * This remote handle isn't enqueued, so we never received or processed
- * this request. Clear MSG_RESENT, because it can be handled like any
- * normal request now.
- */
- lustre_msg_clear_flags(req->rq_reqmsg, MSG_RESENT);
+ /*
+ * This remote handle isn't enqueued, so we never received or processed
+ * this request. Clear MSG_RESENT, because it can be handled like any
+ * normal request now.
+ */
+ lustre_msg_clear_flags(req->rq_reqmsg, MSG_RESENT);
DEBUG_REQ(D_DLMTRACE, req, "no existing lock with rhandle %#llx",
dlmreq->lock_handle[0].cookie);
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
struct ldlm_reply *ldlm_rep = NULL;
int rc;
+
ENTRY;
/*
ldlm_rep->lock_policy_res2 = clear_serious(rc);
- /* This is left for interop instead of adding a new interop flag.
- * LU-7433 */
+ /* This is for interop instead of adding a new interop flag. LU-7433 */
#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(3, 0, 0, 0)
if (ldlm_rep->lock_policy_res2) {
mdt_object_unlock(info, info->mti_object, lhc, 1);
}
static int mdt_intent_getattr(enum ldlm_intent_flags it_opc,
- struct mdt_thread_info *info,
- struct ldlm_lock **lockp,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
__u64 flags)
{
- struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
- __u64 child_bits;
- struct ldlm_reply *ldlm_rep;
- struct mdt_body *reqbody;
- struct mdt_body *repbody;
- int rc, rc2;
- ENTRY;
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
+ __u64 child_bits;
+ struct ldlm_reply *ldlm_rep;
+ struct mdt_body *reqbody;
+ struct mdt_body *repbody;
+ int rc, rc2;
- reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(reqbody);
+ ENTRY;
+
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(reqbody);
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(repbody);
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(repbody);
info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
repbody->mbo_eadatasize = 0;
if (rc)
GOTO(out_shrink, rc);
- ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
- mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
+ ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
+ mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, lhc, flags);
}
rc = mdt_intent_lock_replace(info, lockp, lhc, flags, rc);
- EXIT;
+ EXIT;
out_ucred:
- mdt_exit_ucred(info);
+ mdt_exit_ucred(info);
out_shrink:
- mdt_client_compatibility(info);
- rc2 = mdt_fix_reply(info);
- if (rc == 0)
- rc = rc2;
- return rc;
+ mdt_client_compatibility(info);
+ rc2 = mdt_fix_reply(info);
+ if (rc == 0)
+ rc = rc2;
+ return rc;
}
static int mdt_intent_layout(enum ldlm_intent_flags it_opc,
if (intent == NULL)
RETURN(-EPROTO);
- CDEBUG(D_INFO, DFID "got layout change request from client: "
- "opc:%u flags:%#x extent "DEXT"\n",
+ CDEBUG(D_INFO, DFID "got layout change request from client: opc:%u flags:%#x extent "
+ DEXT"\n",
PFID(fid), intent->lai_opc, intent->lai_flags,
PEXT(&intent->lai_extent));
struct ldlm_lock **lockp,
__u64 flags)
{
- struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
- struct ldlm_reply *rep = NULL;
- long opc;
- int rc;
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
+ struct ldlm_reply *rep = NULL;
+ long opc;
+ int rc;
struct ptlrpc_request *req = mdt_info_req(info);
- static const struct req_format *intent_fmts[REINT_MAX] = {
- [REINT_CREATE] = &RQF_LDLM_INTENT_CREATE,
- [REINT_OPEN] = &RQF_LDLM_INTENT_OPEN
- };
+ static const struct req_format *intent_fmts[REINT_MAX] = {
+ [REINT_CREATE] = &RQF_LDLM_INTENT_CREATE,
+ [REINT_OPEN] = &RQF_LDLM_INTENT_OPEN
+ };
- ENTRY;
+ ENTRY;
opc = mdt_reint_opcode(mdt_info_req(info), intent_fmts);
- if (opc < 0)
- RETURN(opc);
+ if (opc < 0)
+ RETURN(opc);
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, lhc, flags);
- rc = mdt_reint_internal(info, lhc, opc);
+ rc = mdt_reint_internal(info, lhc, opc);
if (rc < 0 && lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY)
DEBUG_REQ(D_ERROR, req, "Replay open failed with %d", rc);
RETURN(err_serious(-EFAULT));
}
- /* MDC expects this in any case */
- if (rc != 0)
- mdt_set_disposition(info, rep, DISP_LOOKUP_EXECD);
+ /* MDC expects this in any case */
+ if (rc != 0)
+ mdt_set_disposition(info, rep, DISP_LOOKUP_EXECD);
/* the open lock or the lock for cross-ref object should be
- * returned to the client */
+ * returned to the client
+ */
if (lustre_handle_is_used(&lhc->mlh_reg_lh) &&
(rc == 0 || rc == -MDT_EREMOTE_OPEN)) {
rep->lock_policy_res2 = 0;
rep->lock_policy_res2 = clear_serious(rc);
- if (rep->lock_policy_res2 == -ENOENT &&
+ if (rep->lock_policy_res2 == -ENOENT &&
mdt_get_disposition(rep, DISP_LOOKUP_NEG) &&
!mdt_get_disposition(rep, DISP_OPEN_CREATE))
rep->lock_policy_res2 = 0;
lhc->mlh_reg_lh.cookie = 0ull;
- if (rc == -ENOTCONN || rc == -ENODEV ||
- rc == -EOVERFLOW) { /**< if VBR failure then return error */
- /*
- * If it is the disconnect error (ENODEV & ENOCONN), the error
- * will be returned by rq_status, and client at ptlrpc layer
- * will detect this, then disconnect, reconnect the import
- * immediately, instead of impacting the following the rpc.
- */
- RETURN(rc);
- }
+ if (rc == -ENOTCONN || rc == -ENODEV ||
+ rc == -EOVERFLOW) { /**< if VBR failure then return error */
+ /*
+ * If it is the disconnect error (ENODEV & ENOCONN), the error
+ * will be returned by rq_status, and client at ptlrpc layer
+ * will detect this, then disconnect, reconnect the import
+ * immediately, instead of impacting the following the rpc.
+ */
+ RETURN(rc);
+ }
/*
* For other cases, the error will be returned by intent, and client
* will retrieve the result from intent.
struct ldlm_reply *rep;
bool check_mdt_object = false;
int rc;
+
ENTRY;
switch (it_opc) {
* later in ldlm. Let's check it now to see if we have
* ibits corrupted somewhere in mdt_intent_opc().
* The case for client miss to set ibits has been
- * processed by others. */
+ * processed by others.
+ */
LASSERT(ergo(ldesc->l_resource.lr_type == LDLM_IBITS,
ldesc->l_policy_data.l_inodebits.bits != 0));
} else {
struct mdt_device *mdt = data;
struct lu_server_fld *fld = mdt_seq_site(mdt)->ss_server_fld;
int rc;
+
ENTRY;
LASSERT(mdt_seq_site(mdt)->ss_node_id != 0);
}
/* Allocate new sequence now to avoid creating local transaction
- * in the normal transaction process */
+ * in the normal transaction process
+ */
rc = seq_server_check_and_alloc_super(&env,
mdt_seq_site(mdt)->ss_server_seq);
if (rc < 0)
{
struct seq_server_site *ss = mdt_seq_site(mdt);
char *prefix;
+
ENTRY;
/* check if this is adding the first MDC and controller is not yet
- * initialized. */
+ * initialized.
+ */
OBD_ALLOC_PTR(ss->ss_client_seq);
if (ss->ss_client_seq == NULL)
RETURN(-ENOMEM);
{
struct seq_server_site *ss;
int rc;
+
ENTRY;
ss = mdt_seq_site(mdt);
* FLD wrappers
*/
static int mdt_fld_fini(const struct lu_env *env,
- struct mdt_device *m)
+ struct mdt_device *m)
{
struct seq_server_site *ss = mdt_seq_site(m);
+
ENTRY;
if (ss && ss->ss_server_fld) {
}
static int mdt_fld_init(const struct lu_env *env,
- const char *uuid,
- struct mdt_device *m)
+ const char *uuid,
+ struct mdt_device *m)
{
struct seq_server_site *ss;
int rc;
+
ENTRY;
ss = mdt_seq_site(m);
struct lustre_cfg_bufs *bufs;
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
+
ENTRY;
LASSERT(top);
/* XXX: this is needed because all layers are referenced by
* objects (some of them are pinned by osd, for example *
* the proper solution should be a model where object used
- * by osd only doesn't have mdt/mdd slices -bzzz */
+ * by osd only doesn't have mdt/mdd slices -bzzz
+ */
lustre_cfg_bufs_reset(bufs, mdt_obd_name(m));
lustre_cfg_bufs_set_string(bufs, 1, NULL);
OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
char flags[3] = "";
+
ENTRY;
info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
struct obd_connect_data *data = NULL;
struct obd_device *obd;
int rc;
+
ENTRY;
OBD_ALLOC_PTR(data);
struct obd_device *obd;
struct lustre_profile *lprof;
struct lu_site *site;
- ENTRY;
+
+ ENTRY;
/* in 1.8 we had the only device in the stack - MDS.
* 2.0 introduces MDT, MDD, OSD; MDT starts others internally.
* #02 (160)setup 0:lustre-MDT0000 1:lustre-MDT0000_UUID 2:0
* 3:lustre-MDD0000 4:f
*
- * notice we build the stack from down to top: MDD first, then MDT */
+ * notice we build the stack from down to top: MDD first, then MDT
+ */
name_size = MAX_OBD_NAME;
uuid_size = MAX_OBD_NAME;
struct lustre_profile *lprof;
struct obd_connect_data *data;
int rc;
+
ENTRY;
LASSERT(mdt->mdt_qmt_exp == NULL);
* We generate the QMT name from the MDT one, just replacing MD with QM
* after all the preparations, the logical equivalent will be:
* #01 (160)setup 0:lustre-QMT0000 1:lustre-QMT0000_UUID 2:0
- * 3:lustre-MDT0000-osd 4:f */
+ * 3:lustre-MDT0000-osd 4:f
+ */
OBD_ALLOC(qmtname, MAX_OBD_NAME);
OBD_ALLOC(uuid, UUID_MAX);
OBD_ALLOC_PTR(bufs);
/* mdt_getxattr() is used from mdt_intent_getxattr(), use this wrapper
* for now. This will be removed along with converting rest of MDT code
- * to use tgt_session_info */
+ * to use tgt_session_info
+ */
static int mdt_tgt_getxattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
mdt_hp_brw),
TGT_OST_HDL_HP(HAS_BODY | HAS_REPLY | IS_MUTABLE,
OST_PUNCH, mdt_punch_hdl,
- mdt_hp_punch),
+ mdt_hp_punch),
TGT_OST_HDL(HAS_BODY | HAS_REPLY, OST_SYNC, mdt_data_sync),
TGT_OST_HDL(HAS_BODY | HAS_REPLY | IS_MUTABLE, OST_FALLOCATE,
mdt_fallocate_hdl),
static struct tgt_handler mdt_sec_ctx_ops[] = {
TGT_SEC_HDL_VAR(0, SEC_CTX_INIT, mdt_sec_ctx_handle),
-TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT,mdt_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT, mdt_sec_ctx_handle),
TGT_SEC_HDL_VAR(0, SEC_CTX_FINI, mdt_sec_ctx_handle)
};
int rc;
long node_id;
mntopt_t mntopts;
+
ENTRY;
lu_device_init(&m->mdt_lu_dev, ldt);
}
/* Just try to get a DoM lock by default. Otherwise, having a group
- * lock granted, it may get blocked for a long time. */
+ * lock granted, it may get blocked for a long time.
+ */
m->mdt_opts.mo_dom_lock = TRYLOCK_DOM_ON_OPEN;
/* DoM files are read at open and data is packed in the reply */
m->mdt_dom_read_open = 1;
/* failover is the default
* FIXME: we do not failout mds0/mgs, which may cause some problems.
* assumed whose ss_node_id == 0 XXX
- * */
+ */
obd->obd_replayable = 1;
/* No connection accepted until configurations will finish */
obd->obd_no_conn = 1;
if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
char *str = lustre_cfg_string(cfg, 4);
+
if (strchr(str, 'n')) {
CWARN("%s: recovery disabled\n", mdt_obd_name(m));
obd->obd_replayable = 0;
GOTO(err_free_ns, rc);
/* Amount of available space excluded from granting and reserved
- * for metadata. It is a percentage of the total MDT size. */
+ * for metadata. It is a percentage of the total MDT size.
+ */
tgd->tgd_reserved_pcnt = 10;
if (ONE_MB_BRW_SIZE < (1U << tgd->tgd_blockbits))
m->mdt_enable_strict_som = 1;
/* XXX: to support suppgid for ACL, we enable identity_upcall
- * by default, otherwise, maybe got unexpected -EACCESS. */
+ * by default, otherwise, maybe got unexpected -EACCESS.
+ */
if (m->mdt_opts.mo_acl)
identity_upcall = MDT_IDENTITY_UPCALL_PATH;
ping_evictor_start();
- /* recovery will be started upon mdt_prepare()
- * when the whole stack is complete and ready
- * to serve the requests */
+ /* recovery will be started upon mdt_prepare() when the whole stack is
+ * complete and ready to serve the requests
+ */
/* Reduce the initial timeout on an MDS because it doesn't need such
* a long timeout as an OST does. Adaptive timeouts will adjust this
- * value appropriately. */
+ * value appropriately.
+ */
if (ldlm_timeout == LDLM_TIMEOUT_DEFAULT)
ldlm_timeout = MDS_LDLM_TIMEOUT_DEFAULT;
err_lmi:
if (lmi)
server_put_mount(dev, true);
- return(rc);
+ return rc;
}
/* For interoperability, the left element is old parameter, the right one
* is the new version of the parameter, if some parameter is deprecated,
- * the new version should be set as NULL. */
+ * the new version should be set as NULL.
+ */
static struct cfg_interop_param mdt_interop_param[] = {
{ "mdt.group_upcall", NULL },
{ "mdt.quota_type", NULL },
/* used by MGS to process specific configurations */
static int mdt_process_config(const struct lu_env *env,
- struct lu_device *d, struct lustre_cfg *cfg)
+ struct lu_device *d, struct lustre_cfg *cfg)
{
- struct mdt_device *m = mdt_dev(d);
- struct md_device *md_next = m->mdt_child;
- struct lu_device *next = md2lu_dev(md_next);
- int rc;
- ENTRY;
+ struct mdt_device *m = mdt_dev(d);
+ struct md_device *md_next = m->mdt_child;
+ struct lu_device *next = md2lu_dev(md_next);
+ int rc;
+
+ ENTRY;
switch (cfg->lcfg_command) {
case LCFG_PARAM: {
if (ptr != NULL) {
if (ptr->new_param == NULL) {
rc = 0;
- CWARN("For interoperability, skip this %s."
- " It is obsolete.\n", ptr->old_param);
+ CWARN("For interoperability, skip this %s. It is obsolete.\n",
+ ptr->old_param);
break;
}
cfg->lcfg_buflens));
break;
}
- default:
- /* others are passed further */
- rc = next->ld_ops->ldo_process_config(env, next, cfg);
- break;
- }
- RETURN(rc);
+ default:
+ /* others are passed further */
+ rc = next->ld_ops->ldo_process_config(env, next, cfg);
+ break;
+ }
+ RETURN(rc);
}
static struct lu_object *mdt_object_alloc(const struct lu_env *env,
}
static int mdt_object_init(const struct lu_env *env, struct lu_object *o,
- const struct lu_object_conf *unused)
+ const struct lu_object_conf *unused)
{
- struct mdt_device *d = mdt_dev(o->lo_dev);
- struct lu_device *under;
- struct lu_object *below;
- int rc = 0;
- ENTRY;
+ struct mdt_device *d = mdt_dev(o->lo_dev);
+ struct lu_device *under;
+ struct lu_object *below;
+ int rc = 0;
- CDEBUG(D_INFO, "object init, fid = "DFID"\n",
- PFID(lu_object_fid(o)));
+ ENTRY;
- under = &d->mdt_child->md_lu_dev;
- below = under->ld_ops->ldo_object_alloc(env, o->lo_header, under);
- if (below != NULL) {
- lu_object_add(o, below);
- } else
- rc = -ENOMEM;
+ CDEBUG(D_INFO, "object init, fid = "DFID"\n",
+ PFID(lu_object_fid(o)));
- RETURN(rc);
+ under = &d->mdt_child->md_lu_dev;
+ below = under->ld_ops->ldo_object_alloc(env, o->lo_header, under);
+ if (below != NULL)
+ lu_object_add(o, below);
+ else
+ rc = -ENOMEM;
+
+ RETURN(rc);
}
static void mdt_object_free_rcu(struct rcu_head *head)
{
struct mdt_object *mo = mdt_obj(o);
struct lu_object_header *h;
+
ENTRY;
h = o->lo_header;
rc = lfsck_register_namespace(env, mdt->mdt_bottom, mdt->mdt_namespace);
/* The LFSCK instance is registered just now, so it must be there when
- * register the namespace to such instance. */
+ * register the namespace to such instance.
+ */
LASSERTF(rc == 0, "register namespace failed: rc = %d\n", rc);
if (mdt->mdt_seq_site.ss_node_id == 0) {
}
const struct lu_device_operations mdt_lu_ops = {
- .ldo_object_alloc = mdt_object_alloc,
- .ldo_process_config = mdt_process_config,
+ .ldo_object_alloc = mdt_object_alloc,
+ .ldo_process_config = mdt_process_config,
.ldo_prepare = mdt_prepare,
};
static const struct lu_object_operations mdt_obj_ops = {
- .loo_object_init = mdt_object_init,
- .loo_object_free = mdt_object_free,
- .loo_object_print = mdt_object_print
+ .loo_object_init = mdt_object_init,
+ .loo_object_free = mdt_object_free,
+ .loo_object_print = mdt_object_print
};
static int mdt_obd_set_info_async(const struct lu_env *env,
- struct obd_export *exp,
- __u32 keylen, void *key,
- __u32 vallen, void *val,
- struct ptlrpc_request_set *set)
+ struct obd_export *exp,
+ __u32 keylen, void *key,
+ __u32 vallen, void *val,
+ struct ptlrpc_request_set *set)
{
int rc;
struct obd_connect_data *data, bool reconnect)
{
const char *obd_name = mdt_obd_name(mdt);
+
LASSERT(data != NULL);
data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
data->ocd_brw_size = min(data->ocd_brw_size,
mdt->mdt_brw_size);
if (data->ocd_brw_size == 0) {
- CERROR("%s: cli %s/%p ocd_connect_flags: %#llx "
- "ocd_version: %x ocd_grant: %d ocd_index: %u "
- "ocd_brw_size unexpectedly zero, network data "
- "corruption? Refusing to connect this client\n",
- obd_name, exp->exp_client_uuid.uuid,
+ CERROR("%s: cli %s/%p ocd_connect_flags: %#llx ocd_version: %x ocd_grant: %d ocd_index: %u ocd_brw_size unexpectedly zero, network data corruption? Refusing to connect this client\n", obd_name, exp->exp_client_uuid.uuid,
exp, data->ocd_connect_flags, data->ocd_version,
data->ocd_grant, data->ocd_index);
return -EPROTO;
exp->exp_target_data.ted_pagebits = data->ocd_grant_blkbits;
data->ocd_grant_blkbits = mdt->mdt_lut.lut_tgd.tgd_blockbits;
/* ddp_inodespace may not be power-of-two value, eg. for ldiskfs
- * it's LDISKFS_DIR_REC_LEN(20) = 28. */
+ * it's LDISKFS_DIR_REC_LEN(20) = 28.
+ */
data->ocd_grant_inobits = fls(ddp->ddp_inodespace - 1);
/* ocd_grant_tax_kb is in 1K byte blocks */
data->ocd_grant_tax_kb = ddp->ddp_extent_tax >> 10;
/* Save connect_data we have so far because tgt_grant_connect()
* uses it to calculate grant, and we want to save the client
- * version before it is overwritten by LUSTRE_VERSION_CODE. */
+ * version before it is overwritten by LUSTRE_VERSION_CODE.
+ */
exp->exp_connect_data = *data;
if (OCD_HAS_FLAG(data, GRANT))
tgt_grant_connect(env, exp, data, !reconnect);
* exp_connect_data.ocd_connect_flags in this case, since
* tgt_client_new() needs to know if this is a lightweight
* connection, and it is safe to expose this flag before
- * connection processing completes. */
+ * connection processing completes.
+ */
if (data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT) {
spin_lock(&exp->exp_lock);
*exp_connect_flags_ptr(exp) |= OBD_CONNECT_LIGHTWEIGHT;
* exp_connect_data.ocd_connect_flags in this case, since
* tgt_client_new() needs to know if this is client supports
* multiple modify RPCs, and it is safe to expose this flag before
- * connection processing completes. */
+ * connection processing completes.
+ */
if (data->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS) {
if (mdt_max_mod_rpcs_changed(mdt))
/* The new mdt.*.max_mod_rpcs_in_flight parameter
tgt_mask_cksum_types(&mdt->mdt_lut, &data->ocd_cksum_types);
if (unlikely(data->ocd_cksum_types == 0)) {
- CERROR("%s: Connect with checksum support but no "
- "ocd_cksum_types is set\n",
+ CERROR("%s: Connect with checksum support but no ocd_cksum_types is set\n",
exp->exp_obd->obd_name);
RETURN(-EPROTO);
}
- CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
- "%x\n", exp->exp_obd->obd_name, obd_export_nid2str(exp),
+ CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return %x\n",
+ exp->exp_obd->obd_name, obd_export_nid2str(exp),
cksum_types, data->ocd_cksum_types);
} else {
- /* This client does not support OBD_CONNECT_CKSUM
- * fall back to CRC32 */
- CDEBUG(D_RPCTRACE, "%s: cli %s does not support "
- "OBD_CONNECT_CKSUM, CRC32 will be used\n",
+ /* Client not support OBD_CONNECT_CKSUM? fall back to CRC32 */
+ CDEBUG(D_RPCTRACE, "%s: cli %s does not support OBD_CONNECT_CKSUM, CRC32 will be used\n",
exp->exp_obd->obd_name, obd_export_nid2str(exp));
}
{
struct lu_context ses;
int rc;
+
ENTRY;
rc = lu_context_init(&ses, LCT_SERVER_SESSION);
struct lu_env env;
struct mdt_file_data *mfd, *n;
int rc = 0;
+
ENTRY;
spin_lock(&med->med_open_lock);
while (!list_empty(&med->med_open_head)) {
struct list_head *tmp = med->med_open_head.next;
+
mfd = list_entry(tmp, struct mdt_file_data, mfd_list);
/* Remove mfd handle so it can't be found again.
- * We are consuming the mfd_list reference here. */
+ * We are consuming the mfd_list reference here.
+ */
class_handle_unhash(&mfd->mfd_open_handle);
list_move_tail(&mfd->mfd_list, &closing_list);
}
spin_unlock(&med->med_open_lock);
- mdt = mdt_dev(obd->obd_lu_dev);
- LASSERT(mdt != NULL);
+ mdt = mdt_dev(obd->obd_lu_dev);
+ LASSERT(mdt != NULL);
- rc = lu_env_init(&env, LCT_MD_THREAD);
- if (rc)
- RETURN(rc);
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc)
+ RETURN(rc);
- info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
- LASSERT(info != NULL);
- memset(info, 0, sizeof *info);
- info->mti_env = &env;
- info->mti_mdt = mdt;
- info->mti_exp = exp;
+ info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ LASSERT(info != NULL);
+ memset(info, 0, sizeof(*info));
+ info->mti_env = &env;
+ info->mti_mdt = mdt;
+ info->mti_exp = exp;
if (!list_empty(&closing_list)) {
struct md_attr *ma = &info->mti_attr;
- /* Close any open files (which may also cause orphan
- * unlinking). */
+ /* Close any open files (which may cause orphan unlinking). */
list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
list_del_init(&mfd->mfd_list);
ma->ma_need = ma->ma_valid = 0;
/* Do not erase record for recoverable client. */
if (!(exp->exp_flags & OBD_OPT_FAILOVER) || exp->exp_failed)
tgt_client_del(&env, exp);
- lu_env_fini(&env);
+ lu_env_fini(&env);
- RETURN(rc);
+ RETURN(rc);
}
static int mdt_obd_disconnect(struct obd_export *exp)
struct mdt_device *mdt;
int rc;
struct lnet_nid *client_nid = localdata;
+
ENTRY;
LASSERT(env != NULL);
struct lsd_client_data *lcd = lexp->exp_target_data.ted_lcd;
LASSERT(lcd);
- memcpy(lcd->lcd_uuid, cluuid, sizeof lcd->lcd_uuid);
+ memcpy(lcd->lcd_uuid, cluuid, sizeof(lcd->lcd_uuid));
rc = tgt_client_new(env, lexp);
if (rc == 0)
mdt_export_stats_init(obd, lexp, localdata);
} else {
*exp = lexp;
/* Because we do not want this export to be evicted by pinger,
- * let's not add this export to the timed chain list. */
+ * let's not add this export to the timed chain list.
+ */
if (data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) {
spin_lock(&lexp->exp_obd->obd_dev_lock);
list_del_init(&lexp->exp_obd_chain_timed);
{
struct lnet_nid *client_nid = localdata;
int rc;
+
ENTRY;
if (exp == NULL || obd == NULL || cluuid == NULL)
{
struct mdt_export_data *med = &exp->exp_mdt_data;
int rc;
+
ENTRY;
INIT_LIST_HEAD(&med->med_open_head);
if (exp->exp_used_slots == NULL)
RETURN(-ENOMEM);
- /* self-export doesn't need client data and ldlm initialization */
- if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
- &exp->exp_client_uuid)))
- RETURN(0);
+ /* self-export doesn't need client data and ldlm initialization */
+ if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
+ &exp->exp_client_uuid)))
+ RETURN(0);
- rc = tgt_client_alloc(exp);
- if (rc)
+ rc = tgt_client_alloc(exp);
+ if (rc)
GOTO(err, rc);
rc = ldlm_init_export(exp);
if (rc)
GOTO(err_free, rc);
- RETURN(rc);
+ RETURN(rc);
err_free:
tgt_client_free(exp);
static int mdt_destroy_export(struct obd_export *exp)
{
- ENTRY;
+ ENTRY;
- target_destroy_export(exp);
+ target_destroy_export(exp);
if (exp->exp_used_slots)
OBD_FREE(exp->exp_used_slots,
BITS_TO_LONGS(OBD_MAX_RIF_MAX) * sizeof(long));
- /* destroy can be called from failed obd_setup, so
- * checking uuid is safer than obd_self_export */
- if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
- &exp->exp_client_uuid)))
- RETURN(0);
+ /* destroy can be called from failed obd_setup, so
+ * checking uuid is safer than obd_self_export
+ */
+ if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
+ &exp->exp_client_uuid)))
+ RETURN(0);
ldlm_destroy_export(exp);
tgt_client_free(exp);
ENTRY;
/* temp buffer for path element, the buffer will be finally freed
- * in mdt_thread_info_fini */
+ * in mdt_thread_info_fini
+ */
buf = lu_buf_check_and_alloc(buf, PATH_MAX);
if (buf->lb_buf == NULL)
RETURN(-ENOMEM);
}
if (worthchecking) {
- /* we need to know if the FID being
- * looked up is encrypted
- */
+ /* need to know if FID being looked up is encrypted */
struct lu_attr la = { 0 };
struct dt_object *dt = mdt_obj2dt(mdt_obj);
lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
linkea_entry_unpack(lee, &reclen, tmpname, tmpfid);
/* If set, use link #linkno for path lookup, otherwise use
- link #0. Only do this for the final path element. */
+ * link #0. Only do this for the final path ement.
+ */
if (first && fp->gf_linkno < leh->leh_reccount) {
int count;
+
for (count = 0; count < fp->gf_linkno; count++) {
lee = (struct link_ea_entry *)
((char *)lee + reclen);
}
*(--ptr) = '/';
- /* keep the last resolved fid to the client, so the
- * client will build the left path on another MDT for
- * remote object */
+ /* keep the last resolved fid to the client, so the client will
+ * build the left path on another MDT for remote object
+ */
fp->gf_fid = *tmpfid;
first = false;
* \param[in] info Per-thread common data shared by mdt level handlers.
* \param[in] obj Object to do path lookup of
* \param[in,out] fp User-provided struct for arguments and to store path
- * information
+ * information
*
* \retval 0 Lookup successful, path information stored in fp
* \retval negative errno if there was a problem
struct mdt_device *mdt = info->mti_mdt;
int tries = 3;
int rc = -EAGAIN;
+
ENTRY;
if (fp->gf_pathlen < 3)
*
* \param[in] info Per-thread common data shared by mdt level handlers.
* \param[in,out] fp User-provided struct for arguments and to store path
- * information
+ * information
*
* \retval 0 Lookup successful, path information and recno stored in fp
* \retval -ENOENT, object does not exist
struct mdt_device *mdt = info->mti_mdt;
struct mdt_object *obj;
int rc;
+
ENTRY;
CDEBUG(D_IOCTL, "path get "DFID" from %llu #%d\n",
RETURN(-EINVAL);
if (!fid_is_namespace_visible(&fp->gf_fid)) {
- CDEBUG(D_INFO, "%s: "DFID" is invalid, f_seq should be >= %#llx"
- ", or f_oid != 0, or f_ver == 0\n", mdt_obd_name(mdt),
+ CDEBUG(D_INFO, "%s: "DFID" is invalid, f_seq should be >= %#llx, or f_oid != 0, or f_ver == 0\n",
+ mdt_obd_name(mdt),
PFID(&fp->gf_fid), (__u64)FID_SEQ_NORMAL);
RETURN(-EINVAL);
}
- /* return error if client-provided root fid
- * is not the one stored in the export
+ /* return error if client-provided root fid is not the one stored in
+ * the export
*/
if (root_fid && !fid_is_zero(&info->mti_exp->exp_root_fid) &&
!lu_fid_eq(root_fid, &info->mti_exp->exp_root_fid)) {
struct mdt_object *obj;
struct mdt_lock_handle *lh;
int rc;
+
ENTRY;
if (data->ioc_inlbuf1 == NULL || data->ioc_inllen1 != sizeof(*fid) ||
{
struct lu_device *ld = md2lu_dev(mdt->mdt_child);
int rc;
+
ENTRY;
if (!mdt->mdt_skip_lfsck && !mdt->mdt_bottom->dd_rdonly) {
static int mdt_obd_postrecov(struct obd_device *obd)
{
- struct lu_env env;
- int rc;
+ struct lu_env env;
+ int rc;
- rc = lu_env_init(&env, LCT_MD_THREAD);
- if (rc)
- RETURN(rc);
- rc = mdt_postrecov(&env, mdt_dev(obd->obd_lu_dev));
- lu_env_fini(&env);
- return rc;
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc)
+ RETURN(rc);
+ rc = mdt_postrecov(&env, mdt_dev(obd->obd_lu_dev));
+ lu_env_fini(&env);
+ return rc;
}
static const struct obd_ops mdt_obd_device_ops = {
- .o_owner = THIS_MODULE,
- .o_set_info_async = mdt_obd_set_info_async,
- .o_connect = mdt_obd_connect,
- .o_reconnect = mdt_obd_reconnect,
- .o_disconnect = mdt_obd_disconnect,
- .o_init_export = mdt_init_export,
- .o_destroy_export = mdt_destroy_export,
- .o_iocontrol = mdt_iocontrol,
- .o_postrecov = mdt_obd_postrecov,
+ .o_owner = THIS_MODULE,
+ .o_set_info_async = mdt_obd_set_info_async,
+ .o_connect = mdt_obd_connect,
+ .o_reconnect = mdt_obd_reconnect,
+ .o_disconnect = mdt_obd_disconnect,
+ .o_init_export = mdt_init_export,
+ .o_destroy_export = mdt_destroy_export,
+ .o_iocontrol = mdt_iocontrol,
+ .o_postrecov = mdt_obd_postrecov,
/* Data-on-MDT IO methods */
.o_preprw = mdt_obd_preprw,
.o_commitrw = mdt_obd_commitrw,
};
-static struct lu_device* mdt_device_fini(const struct lu_env *env,
- struct lu_device *d)
+static struct lu_device *mdt_device_fini(const struct lu_env *env,
+ struct lu_device *d)
{
- struct mdt_device *m = mdt_dev(d);
- ENTRY;
+ struct mdt_device *m = mdt_dev(d);
+
+ ENTRY;
- mdt_fini(env, m);
- RETURN(NULL);
+ mdt_fini(env, m);
+ RETURN(NULL);
}
static struct lu_device *mdt_device_free(const struct lu_env *env,
- struct lu_device *d)
+ struct lu_device *d)
{
struct mdt_device *m = mdt_dev(d);
+
ENTRY;
lu_device_fini(&m->mdt_lu_dev);
}
static struct lu_device *mdt_device_alloc(const struct lu_env *env,
- struct lu_device_type *t,
- struct lustre_cfg *cfg)
+ struct lu_device_type *t,
+ struct lustre_cfg *cfg)
{
- struct lu_device *l;
- struct mdt_device *m;
+ struct lu_device *l;
+ struct mdt_device *m;
- OBD_ALLOC_PTR(m);
- if (m != NULL) {
- int rc;
+ OBD_ALLOC_PTR(m);
+ if (m != NULL) {
+ int rc;
l = &m->mdt_lu_dev;
- rc = mdt_init0(env, m, t, cfg);
- if (rc != 0) {
- mdt_device_free(env, l);
- l = ERR_PTR(rc);
- return l;
- }
- } else
- l = ERR_PTR(-ENOMEM);
- return l;
+ rc = mdt_init0(env, m, t, cfg);
+ if (rc != 0) {
+ mdt_device_free(env, l);
+ l = ERR_PTR(rc);
+ return l;
+ }
+ } else
+ l = ERR_PTR(-ENOMEM);
+ return l;
}
/* context key constructor/destructor: mdt_key_init, mdt_key_fini */
LU_KEY_INIT(mdt, struct mdt_thread_info);
static void mdt_key_fini(const struct lu_context *ctx,
- struct lu_context_key *key, void* data)
+ struct lu_context_key *key, void *data)
{
struct mdt_thread_info *info = data;
*/
void mdt_enable_cos(struct mdt_device *mdt, bool val)
{
- struct lu_env env;
- int rc;
+ struct lu_env env;
+ int rc;
mdt->mdt_opts.mo_cos = val;
- rc = lu_env_init(&env, LCT_LOCAL);
+ rc = lu_env_init(&env, LCT_LOCAL);
if (unlikely(rc != 0)) {
- CWARN("%s: lu_env initialization failed, cannot "
- "sync: rc = %d\n", mdt_obd_name(mdt), rc);
+ CWARN("%s: lu_env initialization failed, cannot sync: rc = %d\n",
+ mdt_obd_name(mdt), rc);
return;
}
mdt_device_sync(&env, mdt);
*/
int mdt_cos_is_enabled(struct mdt_device *mdt)
{
- return mdt->mdt_opts.mo_cos != 0;
+ return mdt->mdt_opts.mo_cos != 0;
}
static const struct lu_device_type_operations mdt_device_type_ops = {
};
static struct lu_device_type mdt_device_type = {
- .ldt_tags = LU_DEVICE_MD,
- .ldt_name = LUSTRE_MDT_NAME,
- .ldt_ops = &mdt_device_type_ops,
- .ldt_ctx_tags = LCT_MD_THREAD
+ .ldt_tags = LU_DEVICE_MD,
+ .ldt_name = LUSTRE_MDT_NAME,
+ .ldt_ops = &mdt_device_type_ops,
+ .ldt_ctx_tags = LCT_MD_THREAD
};
static int __init mdt_init(void)
git://git.whamcloud.com / fs / lustre-release.git / commitdiff