[PATCH 2/3] ceph: correct ceph_mds_cap_peer field name

From: Patrick Donnelly
Date: Sat Oct 12 2024 - 19:56:13 EST


See also ceph.git commit: "include/ceph_fs: correct ceph_mds_cap_peer field name".

See-also: https://tracker.ceph.com/issues/66704
Signed-off-by: Patrick Donnelly <pdonnell@xxxxxxxxxx>
---
fs/ceph/caps.c | 23 ++++++++++++-----------
include/linux/ceph/ceph_fs.h | 2 +-
2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index bed34fc11c91..88a674cf27a8 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4086,17 +4086,17 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
struct ceph_inode_info *ci = ceph_inode(inode);
u64 t_cap_id;
unsigned mseq = le32_to_cpu(ex->migrate_seq);
- unsigned t_seq, t_mseq;
+ unsigned t_issue_seq, t_mseq;
int target, issued;
int mds = session->s_mds;

if (ph) {
t_cap_id = le64_to_cpu(ph->cap_id);
- t_seq = le32_to_cpu(ph->seq);
+ t_issue_seq = le32_to_cpu(ph->issue_seq);
t_mseq = le32_to_cpu(ph->mseq);
target = le32_to_cpu(ph->mds);
} else {
- t_cap_id = t_seq = t_mseq = 0;
+ t_cap_id = t_issue_seq = t_mseq = 0;
target = -1;
}

@@ -4134,12 +4134,12 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
if (tcap) {
/* already have caps from the target */
if (tcap->cap_id == t_cap_id &&
- ceph_seq_cmp(tcap->seq, t_seq) < 0) {
+ ceph_seq_cmp(tcap->seq, t_issue_seq) < 0) {
doutc(cl, " updating import cap %p mds%d\n", tcap,
target);
tcap->cap_id = t_cap_id;
- tcap->seq = t_seq - 1;
- tcap->issue_seq = t_seq - 1;
+ tcap->seq = t_issue_seq - 1;
+ tcap->issue_seq = t_issue_seq - 1;
tcap->issued |= issued;
tcap->implemented |= issued;
if (cap == ci->i_auth_cap) {
@@ -4154,7 +4154,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
int flag = (cap == ci->i_auth_cap) ? CEPH_CAP_FLAG_AUTH : 0;
tcap = new_cap;
ceph_add_cap(inode, tsession, t_cap_id, issued, 0,
- t_seq - 1, t_mseq, (u64)-1, flag, &new_cap);
+ t_issue_seq - 1, t_mseq, (u64)-1, flag, &new_cap);

if (!list_empty(&ci->i_cap_flush_list) &&
ci->i_auth_cap == tcap) {
@@ -4268,14 +4268,14 @@ static void handle_cap_import(struct ceph_mds_client *mdsc,
doutc(cl, " remove export cap %p mds%d flags %d\n",
ocap, peer, ph->flags);
if ((ph->flags & CEPH_CAP_FLAG_AUTH) &&
- (ocap->seq != le32_to_cpu(ph->seq) ||
+ (ocap->seq != le32_to_cpu(ph->issue_seq) ||
ocap->mseq != le32_to_cpu(ph->mseq))) {
pr_err_ratelimited_client(cl, "mismatched seq/mseq: "
"%p %llx.%llx mds%d seq %d mseq %d"
" importer mds%d has peer seq %d mseq %d\n",
inode, ceph_vinop(inode), peer,
ocap->seq, ocap->mseq, mds,
- le32_to_cpu(ph->seq),
+ le32_to_cpu(ph->issue_seq),
le32_to_cpu(ph->mseq));
}
ceph_remove_cap(mdsc, ocap, (ph->flags & CEPH_CAP_FLAG_RELEASE));
@@ -4350,7 +4350,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
struct ceph_snap_realm *realm = NULL;
int op;
int msg_version = le16_to_cpu(msg->hdr.version);
- u32 seq, mseq;
+ u32 seq, mseq, issue_seq;
struct ceph_vino vino;
void *snaptrace;
size_t snaptrace_len;
@@ -4375,6 +4375,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
vino.snap = CEPH_NOSNAP;
seq = le32_to_cpu(h->seq);
mseq = le32_to_cpu(h->migrate_seq);
+ issue_seq = le32_to_cpu(h->issue_seq);

snaptrace = h + 1;
snaptrace_len = le32_to_cpu(h->snap_trace_len);
@@ -4598,7 +4599,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
cap->cap_id = le64_to_cpu(h->cap_id);
cap->mseq = mseq;
cap->seq = seq;
- cap->issue_seq = seq;
+ cap->issue_seq = issue_seq;
spin_lock(&session->s_cap_lock);
__ceph_queue_cap_release(session, cap);
spin_unlock(&session->s_cap_lock);
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index 4ff3ad5e9210..2d7d86f0290d 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -808,7 +808,7 @@ struct ceph_mds_caps {

struct ceph_mds_cap_peer {
__le64 cap_id;
- __le32 seq;
+ __le32 issue_seq;
__le32 mseq;
__le32 mds;
__u8 flags;
--
Patrick Donnelly, Ph.D.
He / Him / His
Red Hat Partner Engineer
IBM, Inc.
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D