From ec62b894df1ae69eb8e66d69317dfff517f6d1f3 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 29 May 2019 12:23:14 -0400 Subject: ceph: handle btime in cap messages Signed-off-by: Jeff Layton Reviewed-by: "Yan, Zheng" Signed-off-by: Ilya Dryomov --- fs/ceph/caps.c | 18 ++++++++++++------ fs/ceph/snap.c | 1 + fs/ceph/super.h | 2 +- 3 files changed, 14 insertions(+), 7 deletions(-) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 50409d9fdc90..623b82684e90 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1139,7 +1139,7 @@ struct cap_msg_args { u64 flush_tid, oldest_flush_tid, size, max_size; u64 xattr_version; struct ceph_buffer *xattr_buf; - struct timespec64 atime, mtime, ctime; + struct timespec64 atime, mtime, ctime, btime; int op, caps, wanted, dirty; u32 seq, issue_seq, mseq, time_warp_seq; u32 flags; @@ -1160,7 +1160,6 @@ static int send_cap_msg(struct cap_msg_args *arg) struct ceph_msg *msg; void *p; size_t extra_len; - struct timespec64 zerotime = {0}; struct ceph_osd_client *osdc = &arg->session->s_mdsc->fsc->client->osdc; dout("send_cap_msg %s %llx %llx caps %s wanted %s dirty %s" @@ -1251,7 +1250,7 @@ static int send_cap_msg(struct cap_msg_args *arg) * We just zero these out for now, as the MDS ignores them unless * the requisite feature flags are set (which we don't do yet). */ - ceph_encode_timespec64(p, &zerotime); + ceph_encode_timespec64(p, &arg->btime); p += sizeof(struct ceph_timespec); ceph_encode_64(&p, 0); @@ -1379,6 +1378,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap, arg.mtime = inode->i_mtime; arg.atime = inode->i_atime; arg.ctime = inode->i_ctime; + arg.btime = ci->i_btime; arg.op = op; arg.caps = cap->implemented; @@ -1438,6 +1438,7 @@ static inline int __send_flush_snap(struct inode *inode, arg.atime = capsnap->atime; arg.mtime = capsnap->mtime; arg.ctime = capsnap->ctime; + arg.btime = capsnap->btime; arg.op = CEPH_CAP_OP_FLUSHSNAP; arg.caps = capsnap->issued; @@ -3044,6 +3045,7 @@ struct cap_extra_info { u64 nsubdirs; /* currently issued */ int issued; + struct timespec64 btime; }; /* @@ -3130,6 +3132,7 @@ static void handle_cap_grant(struct inode *inode, inode->i_mode = le32_to_cpu(grant->mode); inode->i_uid = make_kuid(&init_user_ns, le32_to_cpu(grant->uid)); inode->i_gid = make_kgid(&init_user_ns, le32_to_cpu(grant->gid)); + ci->i_btime = extra_info->btime; dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode, from_kuid(&init_user_ns, inode->i_uid), from_kgid(&init_user_ns, inode->i_gid)); @@ -3851,17 +3854,20 @@ void ceph_handle_caps(struct ceph_mds_session *session, } } - if (msg_version >= 11) { + if (msg_version >= 9) { struct ceph_timespec *btime; u64 change_attr; - u32 flags; - /* version >= 9 */ if (p + sizeof(*btime) > end) goto bad; btime = p; + ceph_decode_timespec64(&extra_info.btime, btime); p += sizeof(*btime); ceph_decode_64_safe(&p, end, change_attr, bad); + } + + if (msg_version >= 11) { + u32 flags; /* version >= 10 */ ceph_decode_32_safe(&p, end, flags, bad); /* version >= 11 */ diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 72c6c022f02b..854308e13f12 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -606,6 +606,7 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci, capsnap->mtime = inode->i_mtime; capsnap->atime = inode->i_atime; capsnap->ctime = inode->i_ctime; + capsnap->btime = ci->i_btime; capsnap->time_warp_seq = ci->i_time_warp_seq; capsnap->truncate_size = ci->i_truncate_size; capsnap->truncate_seq = ci->i_truncate_seq; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 859d1f3a0d4a..2e20fc780f53 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -197,7 +197,7 @@ struct ceph_cap_snap { u64 xattr_version; u64 size; - struct timespec64 mtime, atime, ctime; + struct timespec64 mtime, atime, ctime, btime; u64 time_warp_seq; u64 truncate_size; u32 truncate_seq; -- cgit v1.2.3