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ceph: handle btime in cap messages

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Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2019-05-29 12:23:14 -04:00 committed by Ilya Dryomov
parent 245ce991cc
commit ec62b894df
3 changed files with 14 additions and 7 deletions
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18
fs/ceph/caps.c
View File

@ -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 */

1
fs/ceph/snap.c
View File

@ -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;

2
fs/ceph/super.h
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@ -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;