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Commit d757a3b0 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-client 

Pull Ceph fixes from Ilya Dryomov:
 "Two CephFS fixes (copy_file_range and quota) and a small feature bit
  cleanup"

* tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-client:
  libceph: assume argonaut on the server side
  ceph: quota: fix null pointer dereference in quota check
  ceph: add destination file data sync before doing any remote copy
parents 26eaed46 23c625ce

fs/ceph/file.c

+9 −2
Original line number Diff line number Diff line
@@ -1931,10 +1931,17 @@ static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off, 
	if (!prealloc_cf)

		return -ENOMEM;



	/* Start by sync'ing the source file */

	/* Start by sync'ing the source and destination files */

	ret = file_write_and_wait_range(src_file, src_off, (src_off + len));

	if (ret < 0)

	if (ret < 0) {

		dout("failed to write src file (%zd)\n", ret);

		goto out;

	}

	ret = file_write_and_wait_range(dst_file, dst_off, (dst_off + len));

	if (ret < 0) {

		dout("failed to write dst file (%zd)\n", ret);

		goto out;

	}



	/*

	 * We need FILE_WR caps for dst_ci and FILE_RD for src_ci as other

fs/ceph/mds_client.c

+3 −9
Original line number Diff line number Diff line
@@ -80,12 +80,8 @@ static int parse_reply_info_in(void **p, void *end, 
	info->symlink = *p;

	*p += info->symlink_len;



	if (features & CEPH_FEATURE_DIRLAYOUTHASH)

	ceph_decode_copy_safe(p, end, &info->dir_layout,

			      sizeof(info->dir_layout), bad);

	else

		memset(&info->dir_layout, 0, sizeof(info->dir_layout));



	ceph_decode_32_safe(p, end, info->xattr_len, bad);

	ceph_decode_need(p, end, info->xattr_len, bad);

	info->xattr_data = *p;
@@ -3182,10 +3178,8 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, 
	recon_state.pagelist = pagelist;

	if (session->s_con.peer_features & CEPH_FEATURE_MDSENC)

		recon_state.msg_version = 3;

	else if (session->s_con.peer_features & CEPH_FEATURE_FLOCK)

		recon_state.msg_version = 2;

	else

		recon_state.msg_version = 1;

		recon_state.msg_version = 2;

	err = iterate_session_caps(session, encode_caps_cb, &recon_state);

	if (err < 0)

		goto fail;

fs/ceph/quota.c

+2 −1
Original line number Diff line number Diff line
@@ -237,6 +237,7 @@ static bool check_quota_exceeded(struct inode *inode, enum quota_check_op op, 
		ceph_put_snap_realm(mdsc, realm);

		realm = next;

	}

	if (realm)

		ceph_put_snap_realm(mdsc, realm);

	up_read(&mdsc->snap_rwsem);

include/linux/ceph/ceph_features.h

+1 −7
Original line number Diff line number Diff line
@@ -213,12 +213,6 @@ DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facin 
	 CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING |	\

	 CEPH_FEATURE_CEPHX_V2)



#define CEPH_FEATURES_REQUIRED_DEFAULT   \

	(CEPH_FEATURE_NOSRCADDR |	 \

	 CEPH_FEATURE_SUBSCRIBE2 |	 \

	 CEPH_FEATURE_RECONNECT_SEQ |	 \

	 CEPH_FEATURE_PGID64 |		 \

	 CEPH_FEATURE_PGPOOL3 |		 \

	 CEPH_FEATURE_OSDENC)

#define CEPH_FEATURES_REQUIRED_DEFAULT	0



#endif