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authorYehuda Sadeh <yehuda@hq.newdream.net>2010-06-17 19:16:12 -0400
committerSage Weil <sage@newdream.net>2010-08-01 23:11:40 -0400
commit37151668bad3fd058368752bee476f2ba3645596 (patch)
tree6eeae77dfa1c758ff03659b5677f474a72fbe7c0 /fs/ceph/mds_client.c
parent0deb01c9998f8112c5e478e3fe3a930131abbc0a (diff)
ceph: do caps accounting per mds_client
Caps related accounting is now being done per mds client instead of just being global. This prepares ground work for a later revision of the caps preallocated reservation list. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 6e40db2a0014..641a8a37e7b3 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -449,7 +449,7 @@ void ceph_mdsc_release_request(struct kref *kref)
449 kfree(req->r_path1); 449 kfree(req->r_path1);
450 kfree(req->r_path2); 450 kfree(req->r_path2);
451 put_request_session(req); 451 put_request_session(req);
452 ceph_unreserve_caps(&req->r_caps_reservation); 452 ceph_unreserve_caps(req->r_mdsc, &req->r_caps_reservation);
453 kfree(req); 453 kfree(req);
454} 454}
455 455
@@ -512,7 +512,8 @@ static void __register_request(struct ceph_mds_client *mdsc,
512{ 512{
513 req->r_tid = ++mdsc->last_tid; 513 req->r_tid = ++mdsc->last_tid;
514 if (req->r_num_caps) 514 if (req->r_num_caps)
515 ceph_reserve_caps(&req->r_caps_reservation, req->r_num_caps); 515 ceph_reserve_caps(mdsc, &req->r_caps_reservation,
516 req->r_num_caps);
516 dout("__register_request %p tid %lld\n", req, req->r_tid); 517 dout("__register_request %p tid %lld\n", req, req->r_tid);
517 ceph_mdsc_get_request(req); 518 ceph_mdsc_get_request(req);
518 __insert_request(mdsc, req); 519 __insert_request(mdsc, req);
@@ -764,7 +765,7 @@ static int iterate_session_caps(struct ceph_mds_session *session,
764 last_inode = NULL; 765 last_inode = NULL;
765 } 766 }
766 if (old_cap) { 767 if (old_cap) {
767 ceph_put_cap(old_cap); 768 ceph_put_cap(session->s_mdsc, old_cap);
768 old_cap = NULL; 769 old_cap = NULL;
769 } 770 }
770 771
@@ -793,7 +794,7 @@ out:
793 if (last_inode) 794 if (last_inode)
794 iput(last_inode); 795 iput(last_inode);
795 if (old_cap) 796 if (old_cap)
796 ceph_put_cap(old_cap); 797 ceph_put_cap(session->s_mdsc, old_cap);
797 798
798 return ret; 799 return ret;
799} 800}
@@ -1251,6 +1252,7 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
1251 return ERR_PTR(-ENOMEM); 1252 return ERR_PTR(-ENOMEM);
1252 1253
1253 mutex_init(&req->r_fill_mutex); 1254 mutex_init(&req->r_fill_mutex);
1255 req->r_mdsc = mdsc;
1254 req->r_started = jiffies; 1256 req->r_started = jiffies;
1255 req->r_resend_mds = -1; 1257 req->r_resend_mds = -1;
1256 INIT_LIST_HEAD(&req->r_unsafe_dir_item); 1258 INIT_LIST_HEAD(&req->r_unsafe_dir_item);
@@ -1986,7 +1988,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
1986 if (err == 0) { 1988 if (err == 0) {
1987 if (result == 0 && rinfo->dir_nr) 1989 if (result == 0 && rinfo->dir_nr)
1988 ceph_readdir_prepopulate(req, req->r_session); 1990 ceph_readdir_prepopulate(req, req->r_session);
1989 ceph_unreserve_caps(&req->r_caps_reservation); 1991 ceph_unreserve_caps(mdsc, &req->r_caps_reservation);
1990 } 1992 }
1991 mutex_unlock(&req->r_fill_mutex); 1993 mutex_unlock(&req->r_fill_mutex);
1992 1994
@@ -2767,6 +2769,9 @@ int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client)
2767 spin_lock_init(&mdsc->dentry_lru_lock); 2769 spin_lock_init(&mdsc->dentry_lru_lock);
2768 INIT_LIST_HEAD(&mdsc->dentry_lru); 2770 INIT_LIST_HEAD(&mdsc->dentry_lru);
2769 2771
2772 ceph_caps_init(mdsc);
2773 ceph_adjust_min_caps(mdsc, client->min_caps);
2774
2770 return 0; 2775 return 0;
2771} 2776}
2772 2777
@@ -2962,6 +2967,7 @@ void ceph_mdsc_stop(struct ceph_mds_client *mdsc)
2962 if (mdsc->mdsmap) 2967 if (mdsc->mdsmap)
2963 ceph_mdsmap_destroy(mdsc->mdsmap); 2968 ceph_mdsmap_destroy(mdsc->mdsmap);
2964 kfree(mdsc->sessions); 2969 kfree(mdsc->sessions);
2970 ceph_caps_finalize(mdsc);
2965} 2971}
2966 2972
2967 2973