#include <linux/lustre_lib.h>
#include <linux/lustre_fsfilt.h>
#include <linux/lustre_lite.h>
+#include <linux/lustre_sec.h>
+#include <asm/div64.h>
#include "mds_internal.h"
{
struct mds_obd *mds = &obd->u.mds;
struct lustre_handle conn = {0};
- int rc, valsize, value;
+ unsigned long sec_flags = PTLRPC_SEC_FL_MDS;
+ int rc, value;
+ __u32 valsize;
ENTRY;
if (IS_ERR(mds->mds_md_obd))
GOTO(err_reg, rc);
}
+ rc = obd_set_info(mds->mds_md_exp, strlen("sec_flags"), "sec_flags",
+ sizeof(sec_flags), &sec_flags);
+ if (rc)
+ GOTO(err_reg, rc);
+
mds->mds_md_connected = 1;
up(&mds->mds_md_sem);
RETURN(0);
RETURN(rc);
}
+int mds_md_reconnect(struct obd_device *obd)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ struct obd_statfs osfs;
+ int err;
+ ENTRY;
+
+ /* We don't know state of connections to another MDSes
+ * before the failure. If MDS we were connected to before
+ * the failure gets failed, then it will wait for us to
+ * reconnect and will timed recovery out. bug 4920 */
+ if (mds->mds_md_connected == 0)
+ RETURN(0);
+ if (mds->mds_md_obd == NULL)
+ RETURN(0);
+
+ err = obd_statfs(mds->mds_md_obd, &osfs, jiffies - HZ);
+ if (err)
+ CERROR("can't reconnect to MDSes after recovery: %d\n", err);
+ RETURN(0);
+}
+
int mds_md_get_attr(struct obd_device *obd, struct inode *inode,
struct mea **mea, int *mea_size)
{
struct obdo *oa = NULL;
int rc, mea_size = 0;
struct lustre_id id;
- void *handle;
+ void *handle;
ENTRY;
if (update_mode != LCK_EX)
*/
oa->o_id = dir->i_ino;
- down(&dir->i_sem);
+ /* get parent id: ldlm lock on the parent protects ea */
rc = mds_read_inode_sid(obd, dir, &id);
- up(&dir->i_sem);
if (rc) {
CERROR("Can't read inode self id, inode %lu, "
"rc %d.\n", dir->i_ino, rc);
CDEBUG(D_OTHER, "%s: create subdirs with mode %o, uid %u, gid %u\n",
obd->obd_name, dir->i_mode, dir->i_uid, dir->i_gid);
- rc = obd_create(mds->mds_md_exp, oa,
+ rc = obd_create(mds->mds_md_exp, oa, NULL, 0,
(struct lov_stripe_md **)mea, NULL);
if (rc) {
CERROR("Can't create remote inode, rc = %d\n", rc);
return 0;
}
-struct dentry *filter_id2dentry(struct obd_device *obd,
- struct dentry *dir_dentry,
- obd_gr group, obd_id id);
-
int mds_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
int objcount, struct obd_ioobj *obj,
int niocount, struct niobuf_remote *nb,
struct niobuf_local *res,
- struct obd_trans_info *oti)
+ struct obd_trans_info *oti, struct lustre_capa *capa)
{
struct niobuf_remote *rnb;
struct niobuf_local *lnb = NULL;
RETURN(rc);
}
-int mds_choose_mdsnum(struct obd_device *obd, const char *name, int len, int flags)
+int mds_choose_mdsnum(struct obd_device *obd, const char *name, int len, int flags,
+ struct ptlrpc_peer *peer, struct inode *parent, int local)
{
- struct lmv_obd *lmv;
struct mds_obd *mds = &obd->u.mds;
+ char peer_str[PTL_NALFMT_SIZE];
int i = mds->mds_num;
+ struct lmv_obd *lmv;
+ ENTRY;
- if (flags & REC_REINT_CREATE) {
+ if (local)
+ RETURN(mds->mds_num);
+
+ if (flags & REC_REINT_CREATE) {
i = mds->mds_num;
+ } else if (mds->mds_md_exp != NULL && peer != NULL) {
+ LASSERT(parent != NULL);
+ /* distribute only at root level */
+ lmv = &mds->mds_md_exp->exp_obd->u.lmv;
+ if (parent->i_ino != id_ino(&mds->mds_rootid)) {
+ i = mds->mds_num;
+ } else {
+ __u64 nid = peer->peer_id.nid;
+ __u64 count = lmv->desc.ld_tgt_count;
+ i = do_div(nid, count);
+ CDEBUG(D_OTHER, "client from %s creates top dir %*s "
+ "on mds #%d\n",
+ ptlrpc_peernid2str(peer,peer_str), len, name, i+1);
+ }
} else if (mds->mds_md_exp) {
lmv = &mds->mds_md_exp->exp_obd->u.lmv;
i = raw_name2idx(MEA_MAGIC_LAST_CHAR, lmv->desc.ld_tgt_count, name, len);