snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);
 
        /* dirty the head */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (ci->i_head_snapc == NULL)
                ci->i_head_snapc = ceph_get_snap_context(snapc);
        ++ci->i_wrbuffer_ref_head;
             ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref_head-1,
             ci->i_wrbuffer_ref, ci->i_wrbuffer_ref_head,
             snapc, snapc->seq, snapc->num_snaps);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        /* now adjust page */
        spin_lock_irq(&mapping->tree_lock);
        struct ceph_snap_context *snapc = NULL;
        struct ceph_cap_snap *capsnap = NULL;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
                dout(" cap_snap %p snapc %p has %d dirty pages\n", capsnap,
                     capsnap->context, capsnap->dirty_pages);
                dout(" head snapc %p has %d dirty pages\n",
                     snapc, ci->i_wrbuffer_ref_head);
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return snapc;
 }
 
 
 /*
  * Find ceph_cap for given mds, if any.
  *
- * Called with i_lock held.
+ * Called with i_ceph_lock held.
  */
 static struct ceph_cap *__get_cap_for_mds(struct ceph_inode_info *ci, int mds)
 {
 {
        struct ceph_cap *cap;
 
-       spin_lock(&ci->vfs_inode.i_lock);
+       spin_lock(&ci->i_ceph_lock);
        cap = __get_cap_for_mds(ci, mds);
-       spin_unlock(&ci->vfs_inode.i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return cap;
 }
 
 
 int ceph_get_cap_mds(struct inode *inode)
 {
+       struct ceph_inode_info *ci = ceph_inode(inode);
        int mds;
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        mds = __ceph_get_cap_mds(ceph_inode(inode));
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return mds;
 }
 
 /*
- * Called under i_lock.
+ * Called under i_ceph_lock.
  */
 static void __insert_cap_node(struct ceph_inode_info *ci,
                              struct ceph_cap *new)
  *
  * If I_FLUSH is set, leave the inode at the front of the list.
  *
- * Caller holds i_lock
+ * Caller holds i_ceph_lock
  *    -> we take mdsc->cap_delay_lock
  */
 static void __cap_delay_requeue(struct ceph_mds_client *mdsc,
 /*
  * Cancel delayed work on cap.
  *
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
  */
 static void __cap_delay_cancel(struct ceph_mds_client *mdsc,
                               struct ceph_inode_info *ci)
                wanted |= ceph_caps_for_mode(fmode);
 
 retry:
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        cap = __get_cap_for_mds(ci, mds);
        if (!cap) {
                if (new_cap) {
                        cap = new_cap;
                        new_cap = NULL;
                } else {
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                        new_cap = get_cap(mdsc, caps_reservation);
                        if (new_cap == NULL)
                                return -ENOMEM;
 
        if (fmode >= 0)
                __ceph_get_fmode(ci, fmode);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        wake_up_all(&ci->i_cap_wq);
        return 0;
 }
        struct rb_node *p;
        int ret = 0;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
                cap = rb_entry(p, struct ceph_cap, ci_node);
                if (__cap_is_valid(cap) &&
                        break;
                }
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        dout("ceph_caps_revoking %p %s = %d\n", inode,
             ceph_cap_string(mask), ret);
        return ret;
 }
 
 /*
- * called under i_lock
+ * called under i_ceph_lock
  */
 static int __ceph_is_any_caps(struct ceph_inode_info *ci)
 {
 /*
  * Remove a cap.  Take steps to deal with a racing iterate_session_caps.
  *
- * caller should hold i_lock.
+ * caller should hold i_ceph_lock.
  * caller will not hold session s_mutex if called from destroy_inode.
  */
 void __ceph_remove_cap(struct ceph_cap *cap)
 
 /*
  * Queue cap releases when an inode is dropped from our cache.  Since
- * inode is about to be destroyed, there is no need for i_lock.
+ * inode is about to be destroyed, there is no need for i_ceph_lock.
  */
 void ceph_queue_caps_release(struct inode *inode)
 {
 
 /*
  * Send a cap msg on the given inode.  Update our caps state, then
- * drop i_lock and send the message.
+ * drop i_ceph_lock and send the message.
  *
  * Make note of max_size reported/requested from mds, revoked caps
  * that have now been implemented.
  * Return non-zero if delayed release, or we experienced an error
  * such that the caller should requeue + retry later.
  *
- * called with i_lock, then drops it.
+ * called with i_ceph_lock, then drops it.
  * caller should hold snap_rwsem (read), s_mutex.
  */
 static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
                      int op, int used, int want, int retain, int flushing,
                      unsigned *pflush_tid)
-       __releases(cap->ci->vfs_inode->i_lock)
+       __releases(cap->ci->i_ceph_lock)
 {
        struct ceph_inode_info *ci = cap->ci;
        struct inode *inode = &ci->vfs_inode;
                xattr_version = ci->i_xattrs.version;
        }
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        ret = send_cap_msg(session, ceph_vino(inode).ino, cap_id,
                op, keep, want, flushing, seq, flush_tid, issue_seq, mseq,
  * Unless @again is true, skip cap_snaps that were already sent to
  * the MDS (i.e., during this session).
  *
- * Called under i_lock.  Takes s_mutex as needed.
+ * Called under i_ceph_lock.  Takes s_mutex as needed.
  */
 void __ceph_flush_snaps(struct ceph_inode_info *ci,
                        struct ceph_mds_session **psession,
                        int again)
-               __releases(ci->vfs_inode->i_lock)
-               __acquires(ci->vfs_inode->i_lock)
+               __releases(ci->i_ceph_lock)
+               __acquires(ci->i_ceph_lock)
 {
        struct inode *inode = &ci->vfs_inode;
        int mds;
                        session = NULL;
                }
                if (!session) {
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                        mutex_lock(&mdsc->mutex);
                        session = __ceph_lookup_mds_session(mdsc, mds);
                        mutex_unlock(&mdsc->mutex);
                         * deletion or migration.  retry, and we'll
                         * get a better @mds value next time.
                         */
-                       spin_lock(&inode->i_lock);
+                       spin_lock(&ci->i_ceph_lock);
                        goto retry;
                }
 
                        list_del_init(&capsnap->flushing_item);
                list_add_tail(&capsnap->flushing_item,
                              &session->s_cap_snaps_flushing);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
 
                dout("flush_snaps %p cap_snap %p follows %lld tid %llu\n",
                     inode, capsnap, capsnap->follows, capsnap->flush_tid);
                next_follows = capsnap->follows + 1;
                ceph_put_cap_snap(capsnap);
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                goto retry;
        }
 
 
 static void ceph_flush_snaps(struct ceph_inode_info *ci)
 {
-       struct inode *inode = &ci->vfs_inode;
-
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        __ceph_flush_snaps(ci, NULL, 0);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
  * Add dirty inode to the flushing list.  Assigned a seq number so we
  * can wait for caps to flush without starving.
  *
- * Called under i_lock.
+ * Called under i_ceph_lock.
  */
 static int __mark_caps_flushing(struct inode *inode,
                                 struct ceph_mds_session *session)
        struct ceph_inode_info *ci = ceph_inode(inode);
        u32 invalidating_gen = ci->i_rdcache_gen;
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        invalidate_mapping_pages(&inode->i_data, 0, -1);
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        if (inode->i_data.nrpages == 0 &&
            invalidating_gen == ci->i_rdcache_gen) {
        if (mdsc->stopping)
                is_delayed = 1;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        if (ci->i_ceph_flags & CEPH_I_FLUSH)
                flags |= CHECK_CAPS_FLUSH;
                __ceph_flush_snaps(ci, &session, 0);
        goto retry_locked;
 retry:
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 retry_locked:
        file_wanted = __ceph_caps_file_wanted(ci);
        used = __ceph_caps_used(ci);
                        if (mutex_trylock(&session->s_mutex) == 0) {
                                dout("inverting session/ino locks on %p\n",
                                     session);
-                               spin_unlock(&inode->i_lock);
+                               spin_unlock(&ci->i_ceph_lock);
                                if (took_snap_rwsem) {
                                        up_read(&mdsc->snap_rwsem);
                                        took_snap_rwsem = 0;
                        if (down_read_trylock(&mdsc->snap_rwsem) == 0) {
                                dout("inverting snap/in locks on %p\n",
                                     inode);
-                               spin_unlock(&inode->i_lock);
+                               spin_unlock(&ci->i_ceph_lock);
                                down_read(&mdsc->snap_rwsem);
                                took_snap_rwsem = 1;
                                goto retry;
                mds = cap->mds;  /* remember mds, so we don't repeat */
                sent++;
 
-               /* __send_cap drops i_lock */
+               /* __send_cap drops i_ceph_lock */
                delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, used, want,
                                      retain, flushing, NULL);
-               goto retry; /* retake i_lock and restart our cap scan. */
+               goto retry; /* retake i_ceph_lock and restart our cap scan. */
        }
 
        /*
        else if (!is_delayed || force_requeue)
                __cap_delay_requeue(mdsc, ci);
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (queue_invalidate)
                ceph_queue_invalidate(inode);
        int flushing = 0;
 
 retry:
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (ci->i_ceph_flags & CEPH_I_NOFLUSH) {
                dout("try_flush_caps skipping %p I_NOFLUSH set\n", inode);
                goto out;
                int delayed;
 
                if (!session) {
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                        session = cap->session;
                        mutex_lock(&session->s_mutex);
                        goto retry;
 
                flushing = __mark_caps_flushing(inode, session);
 
-               /* __send_cap drops i_lock */
+               /* __send_cap drops i_ceph_lock */
                delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH, used, want,
                                     cap->issued | cap->implemented, flushing,
                                     flush_tid);
                if (!delayed)
                        goto out_unlocked;
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                __cap_delay_requeue(mdsc, ci);
        }
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 out_unlocked:
        if (session && unlock_session)
                mutex_unlock(&session->s_mutex);
        struct ceph_inode_info *ci = ceph_inode(inode);
        int i, ret = 1;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        for (i = 0; i < CEPH_CAP_BITS; i++)
                if ((ci->i_flushing_caps & (1 << i)) &&
                    ci->i_cap_flush_tid[i] <= tid) {
                        ret = 0;
                        break;
                }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return ret;
 }
 
                struct ceph_mds_client *mdsc =
                        ceph_sb_to_client(inode->i_sb)->mdsc;
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                if (__ceph_caps_dirty(ci))
                        __cap_delay_requeue_front(mdsc, ci);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
        }
        return err;
 }
                struct inode *inode = &ci->vfs_inode;
                struct ceph_cap *cap;
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                cap = ci->i_auth_cap;
                if (cap && cap->session == session) {
                        dout("kick_flushing_caps %p cap %p capsnap %p\n", inode,
                        pr_err("%p auth cap %p not mds%d ???\n", inode,
                               cap, session->s_mds);
                }
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
        }
 }
 
                struct ceph_cap *cap;
                int delayed = 0;
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                cap = ci->i_auth_cap;
                if (cap && cap->session == session) {
                        dout("kick_flushing_caps %p cap %p %s\n", inode,
                                             cap->issued | cap->implemented,
                                             ci->i_flushing_caps, NULL);
                        if (delayed) {
-                               spin_lock(&inode->i_lock);
+                               spin_lock(&ci->i_ceph_lock);
                                __cap_delay_requeue(mdsc, ci);
-                               spin_unlock(&inode->i_lock);
+                               spin_unlock(&ci->i_ceph_lock);
                        }
                } else {
                        pr_err("%p auth cap %p not mds%d ???\n", inode,
                               cap, session->s_mds);
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                }
        }
 }
        struct ceph_cap *cap;
        int delayed = 0;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        cap = ci->i_auth_cap;
        dout("kick_flushing_inode_caps %p flushing %s flush_seq %lld\n", inode,
             ceph_cap_string(ci->i_flushing_caps), ci->i_cap_flush_seq);
                                     cap->issued | cap->implemented,
                                     ci->i_flushing_caps, NULL);
                if (delayed) {
-                       spin_lock(&inode->i_lock);
+                       spin_lock(&ci->i_ceph_lock);
                        __cap_delay_requeue(mdsc, ci);
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                }
        } else {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
        }
 }
 
  * Take references to capabilities we hold, so that we don't release
  * them to the MDS prematurely.
  *
- * Protected by i_lock.
+ * Protected by i_ceph_lock.
  */
 static void __take_cap_refs(struct ceph_inode_info *ci, int got)
 {
 
        dout("get_cap_refs %p need %s want %s\n", inode,
             ceph_cap_string(need), ceph_cap_string(want));
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        /* make sure file is actually open */
        file_wanted = __ceph_caps_file_wanted(ci);
                     ceph_cap_string(have), ceph_cap_string(need));
        }
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        dout("get_cap_refs %p ret %d got %s\n", inode,
             ret, ceph_cap_string(*got));
        return ret;
        int check = 0;
 
        /* do we need to explicitly request a larger max_size? */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if ((endoff >= ci->i_max_size ||
             endoff > (inode->i_size << 1)) &&
            endoff > ci->i_wanted_max_size) {
                ci->i_wanted_max_size = endoff;
                check = 1;
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        if (check)
                ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
 }
  */
 void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps)
 {
-       spin_lock(&ci->vfs_inode.i_lock);
+       spin_lock(&ci->i_ceph_lock);
        __take_cap_refs(ci, caps);
-       spin_unlock(&ci->vfs_inode.i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
        int last = 0, put = 0, flushsnaps = 0, wake = 0;
        struct ceph_cap_snap *capsnap;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (had & CEPH_CAP_PIN)
                --ci->i_pin_ref;
        if (had & CEPH_CAP_FILE_RD)
                                }
                        }
                }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        dout("put_cap_refs %p had %s%s%s\n", inode, ceph_cap_string(had),
             last ? " last" : "", put ? " put" : "");
        int found = 0;
        struct ceph_cap_snap *capsnap = NULL;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        ci->i_wrbuffer_ref -= nr;
        last = !ci->i_wrbuffer_ref;
 
                }
        }
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (last) {
                ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
  * Handle a cap GRANT message from the MDS.  (Note that a GRANT may
  * actually be a revocation if it specifies a smaller cap set.)
  *
- * caller holds s_mutex and i_lock, we drop both.
+ * caller holds s_mutex and i_ceph_lock, we drop both.
  *
  * return value:
  *  0 - ok
                             struct ceph_mds_session *session,
                             struct ceph_cap *cap,
                             struct ceph_buffer *xattr_buf)
-               __releases(inode->i_lock)
+               __releases(ci->i_ceph_lock)
 {
        struct ceph_inode_info *ci = ceph_inode(inode);
        int mds = session->s_mds;
        }
        BUG_ON(cap->issued & ~cap->implemented);
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        if (writeback)
                /*
                 * queue inode for writeback: we can't actually call
                                 struct ceph_mds_caps *m,
                                 struct ceph_mds_session *session,
                                 struct ceph_cap *cap)
-       __releases(inode->i_lock)
+       __releases(ci->i_ceph_lock)
 {
        struct ceph_inode_info *ci = ceph_inode(inode);
        struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
        wake_up_all(&ci->i_cap_wq);
 
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        if (drop)
                iput(inode);
 }
        dout("handle_cap_flushsnap_ack inode %p ci %p mds%d follows %lld\n",
             inode, ci, session->s_mds, follows);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
                if (capsnap->follows == follows) {
                        if (capsnap->flush_tid != flush_tid) {
                             capsnap, capsnap->follows);
                }
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        if (drop)
                iput(inode);
 }
 static void handle_cap_trunc(struct inode *inode,
                             struct ceph_mds_caps *trunc,
                             struct ceph_mds_session *session)
-       __releases(inode->i_lock)
+       __releases(ci->i_ceph_lock)
 {
        struct ceph_inode_info *ci = ceph_inode(inode);
        int mds = session->s_mds;
             inode, mds, seq, truncate_size, truncate_seq);
        queue_trunc = ceph_fill_file_size(inode, issued,
                                          truncate_seq, truncate_size, size);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (queue_trunc)
                ceph_queue_vmtruncate(inode);
        dout("handle_cap_export inode %p ci %p mds%d mseq %d\n",
             inode, ci, mds, mseq);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        /* make sure we haven't seen a higher mseq */
        for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
        }
        /* else, we already released it */
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
        up_read(&mdsc->snap_rwsem);
 
        /* make sure we re-request max_size, if necessary */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        ci->i_requested_max_size = 0;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
        struct ceph_mds_client *mdsc = session->s_mdsc;
        struct super_block *sb = mdsc->fsc->sb;
        struct inode *inode;
+       struct ceph_inode_info *ci;
        struct ceph_cap *cap;
        struct ceph_mds_caps *h;
        int mds = session->s_mds;
 
        /* lookup ino */
        inode = ceph_find_inode(sb, vino);
+       ci = ceph_inode(inode);
        dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino,
             vino.snap, inode);
        if (!inode) {
        }
 
        /* the rest require a cap */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        cap = __get_cap_for_mds(ceph_inode(inode), mds);
        if (!cap) {
                dout(" no cap on %p ino %llx.%llx from mds%d\n",
                     inode, ceph_ino(inode), ceph_snap(inode), mds);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                goto flush_cap_releases;
        }
 
-       /* note that each of these drops i_lock for us */
+       /* note that each of these drops i_ceph_lock for us */
        switch (op) {
        case CEPH_CAP_OP_REVOKE:
        case CEPH_CAP_OP_GRANT:
                break;
 
        default:
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                pr_err("ceph_handle_caps: unknown cap op %d %s\n", op,
                       ceph_cap_op_name(op));
        }
        struct inode *inode = &ci->vfs_inode;
        int last = 0;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        dout("put_fmode %p fmode %d %d -> %d\n", inode, fmode,
             ci->i_nr_by_mode[fmode], ci->i_nr_by_mode[fmode]-1);
        BUG_ON(ci->i_nr_by_mode[fmode] == 0);
        if (--ci->i_nr_by_mode[fmode] == 0)
                last++;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (last && ci->i_vino.snap == CEPH_NOSNAP)
                ceph_check_caps(ci, 0, NULL);
        int used, dirty;
        int ret = 0;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        used = __ceph_caps_used(ci);
        dirty = __ceph_caps_dirty(ci);
 
                             inode, cap, ceph_cap_string(cap->issued));
                }
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return ret;
 }
 
 
        /*
         * force an record for the directory caps if we have a dentry lease.
-        * this is racy (can't take i_lock and d_lock together), but it
+        * this is racy (can't take i_ceph_lock and d_lock together), but it
         * doesn't have to be perfect; the mds will revoke anything we don't
         * release.
         */
 
        }
 
        /* can we use the dcache? */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if ((filp->f_pos == 2 || fi->dentry) &&
            !ceph_test_mount_opt(fsc, NOASYNCREADDIR) &&
            ceph_snap(inode) != CEPH_SNAPDIR &&
            ceph_dir_test_complete(inode) &&
            __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                err = __dcache_readdir(filp, dirent, filldir);
                if (err != -EAGAIN)
                        return err;
        } else {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
        }
        if (fi->dentry) {
                err = note_last_dentry(fi, fi->dentry->d_name.name,
         * were released during the whole readdir, and we should have
         * the complete dir contents in our cache.
         */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (ci->i_release_count == fi->dir_release_count) {
                ceph_dir_set_complete(inode);
                ci->i_max_offset = filp->f_pos;
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        dout("readdir %p filp %p done.\n", inode, filp);
        return 0;
                struct ceph_inode_info *ci = ceph_inode(dir);
                struct ceph_dentry_info *di = ceph_dentry(dentry);
 
-               spin_lock(&dir->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                dout(" dir %p flags are %d\n", dir, ci->i_ceph_flags);
                if (strncmp(dentry->d_name.name,
                            fsc->mount_options->snapdir_name,
                    !is_root_ceph_dentry(dir, dentry) &&
                    ceph_dir_test_complete(dir) &&
                    (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
-                       spin_unlock(&dir->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                        dout(" dir %p complete, -ENOENT\n", dir);
                        d_add(dentry, NULL);
                        di->lease_shared_gen = ci->i_shared_gen;
                        return NULL;
                }
-               spin_unlock(&dir->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
        }
 
        op = ceph_snap(dir) == CEPH_SNAPDIR ?
        struct ceph_inode_info *ci = ceph_inode(inode);
        int drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (inode->i_nlink == 1) {
                drop |= ~(__ceph_caps_wanted(ci) | CEPH_CAP_PIN);
                ci->i_ceph_flags |= CEPH_I_NODELAY;
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return drop;
 }
 
        struct ceph_dentry_info *di = ceph_dentry(dentry);
        int valid = 0;
 
-       spin_lock(&dir->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (ci->i_shared_gen == di->lease_shared_gen)
                valid = __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1);
-       spin_unlock(&dir->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        dout("dir_lease_is_valid dir %p v%u dentry %p v%u = %d\n",
             dir, (unsigned)ci->i_shared_gen, dentry,
             (unsigned)di->lease_shared_gen, valid);
 
 
        /* trivially open snapdir */
        if (ceph_snap(inode) == CEPH_SNAPDIR) {
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                __ceph_get_fmode(ci, fmode);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                return ceph_init_file(inode, file, fmode);
        }
 
         * write) or any MDS (for read).  Update wanted set
         * asynchronously.
         */
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (__ceph_is_any_real_caps(ci) &&
            (((fmode & CEPH_FILE_MODE_WR) == 0) || ci->i_auth_cap)) {
                int mds_wanted = __ceph_caps_mds_wanted(ci);
                     inode, fmode, ceph_cap_string(wanted),
                     ceph_cap_string(issued));
                __ceph_get_fmode(ci, fmode);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
 
                /* adjust wanted? */
                if ((issued & wanted) != wanted &&
        } else if (ceph_snap(inode) != CEPH_NOSNAP &&
                   (ci->i_snap_caps & wanted) == wanted) {
                __ceph_get_fmode(ci, fmode);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                return ceph_init_file(inode, file, fmode);
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        dout("open fmode %d wants %s\n", fmode, ceph_cap_string(wanted));
        req = prepare_open_request(inode->i_sb, flags, 0);
                 */
                int dirty;
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                ceph_put_cap_refs(ci, got);
 
                ret = generic_file_aio_write(iocb, iov, nr_segs, pos);
 
        if (ret >= 0) {
                int dirty;
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                if (dirty)
                        __mark_inode_dirty(inode, dirty);
        }
 
 
        dout("alloc_inode %p\n", &ci->vfs_inode);
 
+       spin_lock_init(&ci->i_ceph_lock);
+
        ci->i_version = 0;
        ci->i_time_warp_seq = 0;
        ci->i_ceph_flags = 0;
                               iinfo->xattr_len);
        }
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        /*
         * provided version will be odd if inode value is projected,
                        char *sym;
 
                        BUG_ON(symlen != inode->i_size);
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
 
                        err = -ENOMEM;
                        sym = kmalloc(symlen+1, GFP_NOFS);
                        memcpy(sym, iinfo->symlink, symlen);
                        sym[symlen] = 0;
 
-                       spin_lock(&inode->i_lock);
+                       spin_lock(&ci->i_ceph_lock);
                        if (!ci->i_symlink)
                                ci->i_symlink = sym;
                        else
        }
 
 no_change:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        /* queue truncate if we saw i_size decrease */
        if (queue_trunc)
                                     info->cap.flags,
                                     caps_reservation);
                } else {
-                       spin_lock(&inode->i_lock);
+                       spin_lock(&ci->i_ceph_lock);
                        dout(" %p got snap_caps %s\n", inode,
                             ceph_cap_string(le32_to_cpu(info->cap.caps)));
                        ci->i_snap_caps |= le32_to_cpu(info->cap.caps);
                        if (cap_fmode >= 0)
                                __ceph_get_fmode(ci, cap_fmode);
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                }
        } else if (cap_fmode >= 0) {
                pr_warning("mds issued no caps on %llx.%llx\n",
 {
        struct dentry *dir = dn->d_parent;
        struct inode *inode = dir->d_inode;
+       struct ceph_inode_info *ci = ceph_inode(inode);
        struct ceph_dentry_info *di;
 
        BUG_ON(!inode);
 
        di = ceph_dentry(dn);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (!ceph_dir_test_complete(inode)) {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                return;
        }
        di->offset = ceph_inode(inode)->i_max_offset++;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        spin_lock(&dir->d_lock);
        spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
        struct ceph_inode_info *ci = ceph_inode(inode);
        int ret = 0;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size);
        inode->i_size = size;
        inode->i_blocks = (size + (1 << 9) - 1) >> 9;
            (ci->i_reported_size << 1) < ci->i_max_size)
                ret = 1;
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return ret;
 }
 
        u32 orig_gen;
        int check = 0;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        dout("invalidate_pages %p gen %d revoking %d\n", inode,
             ci->i_rdcache_gen, ci->i_rdcache_revoking);
        if (ci->i_rdcache_revoking != ci->i_rdcache_gen) {
                /* nevermind! */
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                goto out;
        }
        orig_gen = ci->i_rdcache_gen;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        truncate_inode_pages(&inode->i_data, 0);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (orig_gen == ci->i_rdcache_gen &&
            orig_gen == ci->i_rdcache_revoking) {
                dout("invalidate_pages %p gen %d successful\n", inode,
                     inode, orig_gen, ci->i_rdcache_gen,
                     ci->i_rdcache_revoking);
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (check)
                ceph_check_caps(ci, 0, NULL);
        int wrbuffer_refs, wake = 0;
 
 retry:
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        if (ci->i_truncate_pending == 0) {
                dout("__do_pending_vmtruncate %p none pending\n", inode);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                return;
        }
 
        if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) {
                dout("__do_pending_vmtruncate %p flushing snaps first\n",
                     inode);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                filemap_write_and_wait_range(&inode->i_data, 0,
                                             inode->i_sb->s_maxbytes);
                goto retry;
        wrbuffer_refs = ci->i_wrbuffer_ref;
        dout("__do_pending_vmtruncate %p (%d) to %lld\n", inode,
             ci->i_truncate_pending, to);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        truncate_inode_pages(inode->i_mapping, to);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        ci->i_truncate_pending--;
        if (ci->i_truncate_pending == 0)
                wake = 1;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (wrbuffer_refs == 0)
                ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
        if (IS_ERR(req))
                return PTR_ERR(req);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        issued = __ceph_caps_issued(ci, NULL);
        dout("setattr %p issued %s\n", inode, ceph_cap_string(issued));
 
        }
 
        release &= issued;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (inode_dirty_flags)
                __mark_inode_dirty(inode, inode_dirty_flags);
        __ceph_do_pending_vmtruncate(inode);
        return err;
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        ceph_mdsc_put_request(req);
        return err;
 }
 
        struct ceph_inode_info *ci = ceph_inode(inode);
 
        if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) {
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                ci->i_nr_by_mode[fi->fmode]--;
                fi->fmode |= CEPH_FILE_MODE_LAZY;
                ci->i_nr_by_mode[fi->fmode]++;
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                dout("ioctl_layzio: file %p marked lazy\n", file);
 
                ceph_check_caps(ci, 0, NULL);
 
                }
        }
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        cap = NULL;
        if (mode == USE_AUTH_MDS)
                cap = ci->i_auth_cap;
        if (!cap && !RB_EMPTY_ROOT(&ci->i_caps))
                cap = rb_entry(rb_first(&ci->i_caps), struct ceph_cap, ci_node);
        if (!cap) {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                goto random;
        }
        mds = cap->session->s_mds;
        dout("choose_mds %p %llx.%llx mds%d (%scap %p)\n",
             inode, ceph_vinop(inode), mds,
             cap == ci->i_auth_cap ? "auth " : "", cap);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return mds;
 
 random:
 
        dout("removing cap %p, ci is %p, inode is %p\n",
             cap, ci, &ci->vfs_inode);
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        __ceph_remove_cap(cap);
        if (!__ceph_is_any_real_caps(ci)) {
                struct ceph_mds_client *mdsc =
                }
                spin_unlock(&mdsc->cap_dirty_lock);
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        while (drop--)
                iput(inode);
        return 0;
 
        wake_up_all(&ci->i_cap_wq);
        if (arg) {
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                ci->i_wanted_max_size = 0;
                ci->i_requested_max_size = 0;
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
        }
        return 0;
 }
        if (session->s_trim_caps <= 0)
                return -1;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        mine = cap->issued | cap->implemented;
        used = __ceph_caps_used(ci);
        oissued = __ceph_caps_issued_other(ci, cap);
                __ceph_remove_cap(cap);
        } else {
                /* try to drop referring dentries */
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                d_prune_aliases(inode);
                dout("trim_caps_cb %p cap %p  pruned, count now %d\n",
                     inode, cap, atomic_read(&inode->i_count));
        }
 
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return 0;
 }
 
                                           i_flushing_item);
                        struct inode *inode = &ci->vfs_inode;
 
-                       spin_lock(&inode->i_lock);
+                       spin_lock(&ci->i_ceph_lock);
                        if (ci->i_cap_flush_seq <= want_flush_seq) {
                                dout("check_cap_flush still flushing %p "
                                     "seq %lld <= %lld to mds%d\n", inode,
                                     session->s_mds);
                                ret = 0;
                        }
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                }
                mutex_unlock(&session->s_mutex);
                ceph_put_mds_session(session);
        struct ceph_inode_info *ci = ceph_inode(inode);
 
        dout("invalidate_dir_request %p (D_COMPLETE, lease(s))\n", inode);
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        ceph_dir_clear_complete(inode);
        ci->i_release_count++;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (req->r_dentry)
                ceph_invalidate_dentry_lease(req->r_dentry);
        if (err)
                goto out_free;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        cap->seq = 0;        /* reset cap seq */
        cap->issue_seq = 0;  /* and issue_seq */
 
                rec.v1.pathbase = cpu_to_le64(pathbase);
                reclen = sizeof(rec.v1);
        }
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 
        if (recon_state->flock) {
                int num_fcntl_locks, num_flock_locks;
 
  *
  *         mdsc->snap_rwsem
  *
- *         inode->i_lock
+ *         ci->i_ceph_lock
  *                 mdsc->snap_flush_lock
  *                 mdsc->cap_delay_lock
  *
 
                return;
        }
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        used = __ceph_caps_used(ci);
        dirty = __ceph_caps_dirty(ci);
 
                kfree(capsnap);
        }
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
  *
  * If capsnap can now be flushed, add to snap_flush list, and return 1.
  *
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
  */
 int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
                            struct ceph_cap_snap *capsnap)
                inode = &ci->vfs_inode;
                ihold(inode);
                spin_unlock(&mdsc->snap_flush_lock);
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                __ceph_flush_snaps(ci, &session, 0);
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                iput(inode);
                spin_lock(&mdsc->snap_flush_lock);
        }
                                continue;
                        ci = ceph_inode(inode);
 
-                       spin_lock(&inode->i_lock);
+                       spin_lock(&ci->i_ceph_lock);
                        if (!ci->i_snap_realm)
                                goto skip_inode;
                        /*
                        oldrealm = ci->i_snap_realm;
                        ci->i_snap_realm = realm;
                        spin_unlock(&realm->inodes_with_caps_lock);
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
 
                        ceph_get_snap_realm(mdsc, realm);
                        ceph_put_snap_realm(mdsc, oldrealm);
                        continue;
 
 skip_inode:
-                       spin_unlock(&inode->i_lock);
+                       spin_unlock(&ci->i_ceph_lock);
                        iput(inode);
                }
 
 
  * The locking for D_COMPLETE is a bit odd:
  *  - we can clear it at almost any time (see ceph_d_prune)
  *  - it is only meaningful if:
- *    - we hold dir inode i_lock
+ *    - we hold dir inode i_ceph_lock
  *    - we hold dir FILE_SHARED caps
  *    - the dentry D_COMPLETE is set
  */
 struct ceph_inode_info {
        struct ceph_vino i_vino;   /* ceph ino + snap */
 
+       spinlock_t i_ceph_lock;
+
        u64 i_version;
        u32 i_time_warp_seq;
 
 
        struct ceph_inode_xattrs_info i_xattrs;
 
-       /* capabilities.  protected _both_ by i_lock and cap->session's
+       /* capabilities.  protected _both_ by i_ceph_lock and cap->session's
         * s_mutex. */
        struct rb_root i_caps;           /* cap list */
        struct ceph_cap *i_auth_cap;     /* authoritative cap, if any */
 {
        struct ceph_inode_info *ci = ceph_inode(inode);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        ci->i_ceph_flags &= ~mask;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 static inline void ceph_i_set(struct inode *inode, unsigned mask)
 {
        struct ceph_inode_info *ci = ceph_inode(inode);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        ci->i_ceph_flags |= mask;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
 }
 
 static inline bool ceph_i_test(struct inode *inode, unsigned mask)
        struct ceph_inode_info *ci = ceph_inode(inode);
        bool r;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        r = (ci->i_ceph_flags & mask) == mask;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return r;
 }
 
 static inline int ceph_caps_issued(struct ceph_inode_info *ci)
 {
        int issued;
-       spin_lock(&ci->vfs_inode.i_lock);
+       spin_lock(&ci->i_ceph_lock);
        issued = __ceph_caps_issued(ci, NULL);
-       spin_unlock(&ci->vfs_inode.i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return issued;
 }
 
                                        int touch)
 {
        int r;
-       spin_lock(&ci->vfs_inode.i_lock);
+       spin_lock(&ci->i_ceph_lock);
        r = __ceph_caps_issued_mask(ci, mask, touch);
-       spin_unlock(&ci->vfs_inode.i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return r;
 }
 
 extern void __ceph_remove_cap(struct ceph_cap *cap);
 static inline void ceph_remove_cap(struct ceph_cap *cap)
 {
-       struct inode *inode = &cap->ci->vfs_inode;
-       spin_lock(&inode->i_lock);
+       spin_lock(&cap->ci->i_ceph_lock);
        __ceph_remove_cap(cap);
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&cap->ci->i_ceph_lock);
 }
 extern void ceph_put_cap(struct ceph_mds_client *mdsc,
                         struct ceph_cap *cap);
 
 }
 
 static int __build_xattrs(struct inode *inode)
-       __releases(inode->i_lock)
-       __acquires(inode->i_lock)
+       __releases(ci->i_ceph_lock)
+       __acquires(ci->i_ceph_lock)
 {
        u32 namelen;
        u32 numattr = 0;
                end = p + ci->i_xattrs.blob->vec.iov_len;
                ceph_decode_32_safe(&p, end, numattr, bad);
                xattr_version = ci->i_xattrs.version;
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
 
                xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *),
                                 GFP_NOFS);
                                goto bad_lock;
                }
 
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                if (ci->i_xattrs.version != xattr_version) {
                        /* lost a race, retry */
                        for (i = 0; i < numattr; i++)
 
        return err;
 bad_lock:
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 bad:
        if (xattrs) {
                for (i = 0; i < numattr; i++)
        if (vxattrs)
                vxattr = ceph_match_vxattr(vxattrs, name);
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        dout("getxattr %p ver=%lld index_ver=%lld\n", inode,
             ci->i_xattrs.version, ci->i_xattrs.index_version);
 
            (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
                goto get_xattr;
        } else {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                /* get xattrs from mds (if we don't already have them) */
                err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
                if (err)
                        return err;
        }
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        if (vxattr && vxattr->readonly) {
                err = vxattr->getxattr_cb(ci, value, size);
        memcpy(value, xattr->val, xattr->val_len);
 
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return err;
 }
 
        u32 len;
        int i;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        dout("listxattr %p ver=%lld index_ver=%lld\n", inode,
             ci->i_xattrs.version, ci->i_xattrs.index_version);
 
            (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
                goto list_xattr;
        } else {
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
                if (err)
                        return err;
        }
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 
        err = __build_xattrs(inode);
        if (err < 0)
                }
 
 out:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        return err;
 }
 
        if (!xattr)
                goto out;
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
 retry:
        issued = __ceph_caps_issued(ci, NULL);
        if (!(issued & CEPH_CAP_XATTR_EXCL))
            required_blob_size > ci->i_xattrs.prealloc_blob->alloc_len) {
                struct ceph_buffer *blob = NULL;
 
-               spin_unlock(&inode->i_lock);
+               spin_unlock(&ci->i_ceph_lock);
                dout(" preaallocating new blob size=%d\n", required_blob_size);
                blob = ceph_buffer_new(required_blob_size, GFP_NOFS);
                if (!blob)
                        goto out;
-               spin_lock(&inode->i_lock);
+               spin_lock(&ci->i_ceph_lock);
                if (ci->i_xattrs.prealloc_blob)
                        ceph_buffer_put(ci->i_xattrs.prealloc_blob);
                ci->i_xattrs.prealloc_blob = blob;
        dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
        ci->i_xattrs.dirty = true;
        inode->i_ctime = CURRENT_TIME;
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        if (dirty)
                __mark_inode_dirty(inode, dirty);
        return err;
 
 do_sync:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        err = ceph_sync_setxattr(dentry, name, value, size, flags);
 out:
        kfree(newname);
                        return -EOPNOTSUPP;
        }
 
-       spin_lock(&inode->i_lock);
+       spin_lock(&ci->i_ceph_lock);
        __build_xattrs(inode);
        issued = __ceph_caps_issued(ci, NULL);
        dout("removexattr %p issued %s\n", inode, ceph_cap_string(issued));
        ci->i_xattrs.dirty = true;
        inode->i_ctime = CURRENT_TIME;
 
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        if (dirty)
                __mark_inode_dirty(inode, dirty);
        return err;
 do_sync:
-       spin_unlock(&inode->i_lock);
+       spin_unlock(&ci->i_ceph_lock);
        err = ceph_send_removexattr(dentry, name);
        return err;
 }