Merge branch 'testing' of github.com:ceph/ceph-client into v3.8-rc5-testing (969e5aa3) · Commits · e / devices / android_kernel_sony_msm8994

drivers/block/rbd.c

+444 −411

File changed.

Preview size limit exceeded, changes collapsed.

fs/ceph/caps.c

+25 −7

Original line number	Diff line number	Diff line
		@@ -611,8 +611,16 @@ retry:

		if (flags & CEPH_CAP_FLAG_AUTH)
		ci->i_auth_cap = cap;
		else if (ci->i_auth_cap == cap)
		else if (ci->i_auth_cap == cap) {
		ci->i_auth_cap = NULL;
		spin_lock(&mdsc->cap_dirty_lock);
		if (!list_empty(&ci->i_dirty_item)) {
		dout(" moving %p to cap_dirty_migrating\n", inode);
		list_move(&ci->i_dirty_item,
		&mdsc->cap_dirty_migrating);
		}
		spin_unlock(&mdsc->cap_dirty_lock);
		}

		dout("add_cap inode %p (%llx.%llx) cap %p %s now %s seq %d mds%d\n",
		inode, ceph_vinop(inode), cap, ceph_cap_string(issued),
		@@ -1460,7 +1468,7 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
		struct ceph_mds_client *mdsc = fsc->mdsc;
		struct inode *inode = &ci->vfs_inode;
		struct ceph_cap *cap;
		int file_wanted, used;
		int file_wanted, used, cap_used;
		int took_snap_rwsem = 0; /* true if mdsc->snap_rwsem held */
		int issued, implemented, want, retain, revoking, flushing = 0;
		int mds = -1; /* keep track of how far we've gone through i_caps list
		@@ -1563,9 +1571,14 @@ retry_locked:

		/* NOTE: no side-effects allowed, until we take s_mutex */

		cap_used = used;
		if (ci->i_auth_cap && cap != ci->i_auth_cap)
		cap_used &= ~ci->i_auth_cap->issued;

		revoking = cap->implemented & ~cap->issued;
		dout(" mds%d cap %p issued %s implemented %s revoking %s\n",
		dout(" mds%d cap %p used %s issued %s implemented %s revoking %s\n",
		cap->mds, cap, ceph_cap_string(cap->issued),
		ceph_cap_string(cap_used),
		ceph_cap_string(cap->implemented),
		ceph_cap_string(revoking));

		@@ -1593,7 +1606,7 @@ retry_locked:
		}

		/* completed revocation? going down and there are no caps? */
		if (revoking && (revoking & used) == 0) {
		if (revoking && (revoking & cap_used) == 0) {
		dout("completed revocation of %s\n",
		ceph_cap_string(cap->implemented & ~cap->issued));
		goto ack;
		@@ -1670,8 +1683,8 @@ ack:
		sent++;

		/* __send_cap drops i_ceph_lock */
		delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, used, want,
		retain, flushing, NULL);
		delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, cap_used,
		want, retain, flushing, NULL);
		goto retry; /* retake i_ceph_lock and restart our cap scan. */
		}

		@@ -2416,7 +2429,9 @@ static void handle_cap_grant(struct inode inode, struct ceph_mds_caps grant,
		dout("mds wanted %s -> %s\n",
		ceph_cap_string(le32_to_cpu(grant->wanted)),
		ceph_cap_string(wanted));
		grant->wanted = cpu_to_le32(wanted);
		/* imported cap may not have correct mds_wanted */
		if (le32_to_cpu(grant->op) == CEPH_CAP_OP_IMPORT)
		check_caps = 1;
		}

		cap->seq = seq;
		@@ -2820,6 +2835,9 @@ void ceph_handle_caps(struct ceph_mds_session *session,
		dout(" mds%d seq %lld cap seq %u\n", session->s_mds, session->s_seq,
		(unsigned)seq);

		if (op == CEPH_CAP_OP_IMPORT)
		ceph_add_cap_releases(mdsc, session);

		/* lookup ino */
		inode = ceph_find_inode(sb, vino);
		ci = ceph_inode(inode);

fs/ceph/file.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -243,6 +243,9 @@ int ceph_atomic_open(struct inode dir, struct dentry dentry,
		err = ceph_mdsc_do_request(mdsc,
		(flags & (O_CREAT\|O_TRUNC)) ? dir : NULL,
		req);
		if (err)
		goto out_err;

		err = ceph_handle_snapdir(req, dentry, err);
		if (err == 0 && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
		err = ceph_handle_notrace_create(dir, dentry);
		@@ -263,6 +266,9 @@ int ceph_atomic_open(struct inode dir, struct dentry dentry,
		err = finish_no_open(file, dn);
		} else {
		dout("atomic_open finish_open on dn %p\n", dn);
		if (req->r_op == CEPH_MDS_OP_CREATE && req->r_reply_info.has_create_ino) {
		*opened \|= FILE_CREATED;
		}
		err = finish_open(file, dentry, ceph_open, opened);
		}

fs/ceph/ioctl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -194,7 +194,7 @@ static long ceph_ioctl_get_dataloc(struct file file, void __user arg)
		return -EFAULT;

		down_read(&osdc->map_sem);
		r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, &len,
		r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, len,
		&dl.object_no, &dl.object_offset,
		&olen);
		if (r < 0)

fs/ceph/mds_client.c

+31 −2

Original line number	Diff line number	Diff line
		@@ -232,6 +232,30 @@ bad:
		return -EIO;
		}

		/*
		* parse create results
		*/
		static int parse_reply_info_create(void *p, void end,
		struct ceph_mds_reply_info_parsed *info,
		int features)
		{
		if (features & CEPH_FEATURE_REPLY_CREATE_INODE) {
		if (*p == end) {
		info->has_create_ino = false;
		} else {
		info->has_create_ino = true;
		info->ino = ceph_decode_64(p);
		}
		}

		if (unlikely(*p != end))
		goto bad;
		return 0;

		bad:
		return -EIO;
		}

		/*
		* parse extra results
		*/
		@@ -241,8 +265,12 @@ static int parse_reply_info_extra(void *p, void end,
		{
		if (info->head->op == CEPH_MDS_OP_GETFILELOCK)
		return parse_reply_info_filelock(p, end, info, features);
		else
		else if (info->head->op == CEPH_MDS_OP_READDIR)
		return parse_reply_info_dir(p, end, info, features);
		else if (info->head->op == CEPH_MDS_OP_CREATE)
		return parse_reply_info_create(p, end, info, features);
		else
		return -EIO;
		}

		/*
		@@ -2170,7 +2198,8 @@ static void handle_reply(struct ceph_mds_session session, struct ceph_msg msg)
		mutex_lock(&req->r_fill_mutex);
		err = ceph_fill_trace(mdsc->fsc->sb, req, req->r_session);
		if (err == 0) {
		if (result == 0 && req->r_op != CEPH_MDS_OP_GETFILELOCK &&
		if (result == 0 && (req->r_op == CEPH_MDS_OP_READDIR \|\|
		req->r_op == CEPH_MDS_OP_LSSNAP) &&
		rinfo->dir_nr)
		ceph_readdir_prepopulate(req, req->r_session);
		ceph_unreserve_caps(mdsc, &req->r_caps_reservation);