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ceph: misc fix for code style and logs 

To make the logs more readable such as for log likes:

ceph: will move 00000000a42b796b to split realm 100000003ed 000000007146df45

With this it will always show the inode numbers instead the inode
addresses.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Xiubo Li 2022-02-23 09:27:45 +08:00 committed by Ilya Dryomov
parent 1ab36c9dfa
commit ad5255c1ea
1 changed files with 62 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

122
fs/ceph/snap.c
View File

@ -137,7 +137,7 @@ static struct ceph_snap_realm *ceph_create_snap_realm(
__insert_snap_realm(&mdsc->snap_realms, realm);
mdsc->num_snap_realms++;
dout("create_snap_realm %llx %p\n", realm->ino, realm);
dout("%s %llx %p\n", __func__, realm->ino, realm);
return realm;
}
@ -161,7 +161,7 @@ static struct ceph_snap_realm *__lookup_snap_realm(struct ceph_mds_client *mdsc,
else if (ino > r->ino)
n = n->rb_right;
else {
dout("lookup_snap_realm %llx %p\n", r->ino, r);
dout("%s %llx %p\n", __func__, r->ino, r);
return r;
}
}
@ -189,7 +189,7 @@ static void __destroy_snap_realm(struct ceph_mds_client *mdsc,
{
lockdep_assert_held_write(&mdsc->snap_rwsem);
dout("__destroy_snap_realm %p %llx\n", realm, realm->ino);
dout("%s %p %llx\n", __func__, realm, realm->ino);
rb_erase(&realm->node, &mdsc->snap_realms);
mdsc->num_snap_realms--;
@ -302,9 +302,8 @@ static int adjust_snap_realm_parent(struct ceph_mds_client *mdsc,
if (IS_ERR(parent))
return PTR_ERR(parent);
}
dout("adjust_snap_realm_parent %llx %p: %llx %p -> %llx %p\n",
realm->ino, realm, realm->parent_ino, realm->parent,
parentino, parent);
dout("%s %llx %p: %llx %p -> %llx %p\n", __func__, realm->ino,
realm, realm->parent_ino, realm->parent, parentino, parent);
if (realm->parent) {
list_del_init(&realm->child_item);
ceph_put_snap_realm(mdsc, realm->parent);
@ -360,9 +359,8 @@ static int build_snap_context(struct ceph_snap_realm *realm,
realm->cached_context->seq == realm->seq &&
(!parent ||
realm->cached_context->seq >= parent->cached_context->seq)) {
dout("build_snap_context %llx %p: %p seq %lld (%u snaps)"
" (unchanged)\n",
realm->ino, realm, realm->cached_context,
dout("%s %llx %p: %p seq %lld (%u snaps) (unchanged)\n",
__func__, realm->ino, realm, realm->cached_context,
realm->cached_context->seq,
(unsigned int)realm->cached_context->num_snaps);
return 0;
@ -401,9 +399,8 @@ static int build_snap_context(struct ceph_snap_realm *realm,
sort(snapc->snaps, num, sizeof(u64), cmpu64_rev, NULL);
snapc->num_snaps = num;
dout("build_snap_context %llx %p: %p seq %lld (%u snaps)\n",
realm->ino, realm, snapc, snapc->seq,
(unsigned int) snapc->num_snaps);
dout("%s %llx %p: %p seq %lld (%u snaps)\n", __func__, realm->ino,
realm, snapc, snapc->seq, (unsigned int) snapc->num_snaps);
ceph_put_snap_context(realm->cached_context);
realm->cached_context = snapc;
@ -420,8 +417,7 @@ fail:
ceph_put_snap_context(realm->cached_context);
realm->cached_context = NULL;
}
pr_err("build_snap_context %llx %p fail %d\n", realm->ino,
realm, err);
pr_err("%s %llx %p fail %d\n", __func__, realm->ino, realm, err);
return err;
}
@ -455,7 +451,7 @@ static void rebuild_snap_realms(struct ceph_snap_realm *realm,
}
last = build_snap_context(_realm, &realm_queue, dirty_realms);
dout("rebuild_snap_realms %llx %p, %s\n", _realm->ino, _realm,
dout("%s %llx %p, %s\n", __func__, _realm->ino, _realm,
last > 0 ? "is deferred" : !last ? "succeeded" : "failed");
/* is any child in the list ? */
@ -551,12 +547,14 @@ static void ceph_queue_cap_snap(struct ceph_inode_info *ci,
as no new writes are allowed to start when pending, so any
writes in progress now were started before the previous
cap_snap. lucky us. */
dout("queue_cap_snap %p already pending\n", inode);
dout("%s %p %llx.%llx already pending\n",
__func__, inode, ceph_vinop(inode));
goto update_snapc;
}
if (ci->i_wrbuffer_ref_head == 0 &&
!(dirty & (CEPH_CAP_ANY_EXCL|CEPH_CAP_FILE_WR))) {
dout("queue_cap_snap %p nothing dirty|writing\n", inode);
dout("%s %p %llx.%llx nothing dirty|writing\n",
__func__, inode, ceph_vinop(inode));
goto update_snapc;
}
@ -576,15 +574,15 @@ static void ceph_queue_cap_snap(struct ceph_inode_info *ci,
} else {
if (!(used & CEPH_CAP_FILE_WR) &&
ci->i_wrbuffer_ref_head == 0) {
dout("queue_cap_snap %p "
"no new_snap|dirty_page|writing\n", inode);
dout("%s %p %llx.%llx no new_snap|dirty_page|writing\n",
__func__, inode, ceph_vinop(inode));
goto update_snapc;
}
}
dout("queue_cap_snap %p cap_snap %p queuing under %p %s %s\n",
inode, capsnap, old_snapc, ceph_cap_string(dirty),
capsnap->need_flush ? "" : "no_flush");
dout("%s %p %llx.%llx cap_snap %p queuing under %p %s %s\n",
__func__, inode, ceph_vinop(inode), capsnap, old_snapc,
ceph_cap_string(dirty), capsnap->need_flush ? "" : "no_flush");
ihold(inode);
capsnap->follows = old_snapc->seq;
@ -616,8 +614,8 @@ static void ceph_queue_cap_snap(struct ceph_inode_info *ci,
list_add_tail(&capsnap->ci_item, &ci->i_cap_snaps);
if (used & CEPH_CAP_FILE_WR) {
dout("queue_cap_snap %p cap_snap %p snapc %p"
" seq %llu used WR, now pending\n", inode,
dout("%s %p %llx.%llx cap_snap %p snapc %p seq %llu used WR,"
" now pending\n", __func__, inode, ceph_vinop(inode),
capsnap, old_snapc, old_snapc->seq);
capsnap->writing = 1;
} else {
@ -628,12 +626,12 @@ static void ceph_queue_cap_snap(struct ceph_inode_info *ci,
old_snapc = NULL;
update_snapc:
if (ci->i_wrbuffer_ref_head == 0 &&
ci->i_wr_ref == 0 &&
ci->i_dirty_caps == 0 &&
ci->i_flushing_caps == 0) {
ci->i_head_snapc = NULL;
} else {
if (ci->i_wrbuffer_ref_head == 0 &&
ci->i_wr_ref == 0 &&
ci->i_dirty_caps == 0 &&
ci->i_flushing_caps == 0) {
ci->i_head_snapc = NULL;
} else {
ci->i_head_snapc = ceph_get_snap_context(new_snapc);
dout(" new snapc is %p\n", new_snapc);
}
@ -668,27 +666,28 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
capsnap->truncate_size = ci->i_truncate_size;
capsnap->truncate_seq = ci->i_truncate_seq;
if (capsnap->dirty_pages) {
dout("finish_cap_snap %p cap_snap %p snapc %p %llu %s s=%llu "
"still has %d dirty pages\n", inode, capsnap,
capsnap->context, capsnap->context->seq,
ceph_cap_string(capsnap->dirty), capsnap->size,
capsnap->dirty_pages);
dout("%s %p %llx.%llx cap_snap %p snapc %p %llu %s s=%llu "
"still has %d dirty pages\n", __func__, inode,
ceph_vinop(inode), capsnap, capsnap->context,
capsnap->context->seq, ceph_cap_string(capsnap->dirty),
capsnap->size, capsnap->dirty_pages);
return 0;
}
/* Fb cap still in use, delay it */
if (ci->i_wb_ref) {
dout("finish_cap_snap %p cap_snap %p snapc %p %llu %s s=%llu "
"used WRBUFFER, delaying\n", inode, capsnap,
capsnap->context, capsnap->context->seq,
ceph_cap_string(capsnap->dirty), capsnap->size);
dout("%s %p %llx.%llx cap_snap %p snapc %p %llu %s s=%llu "
"used WRBUFFER, delaying\n", __func__, inode,
ceph_vinop(inode), capsnap, capsnap->context,
capsnap->context->seq, ceph_cap_string(capsnap->dirty),
capsnap->size);
capsnap->writing = 1;
return 0;
}
ci->i_ceph_flags |= CEPH_I_FLUSH_SNAPS;
dout("finish_cap_snap %p cap_snap %p snapc %p %llu %s s=%llu\n",
inode, capsnap, capsnap->context,
dout("%s %p %llx.%llx cap_snap %p snapc %p %llu %s s=%llu\n",
__func__, inode, ceph_vinop(inode), capsnap, capsnap->context,
capsnap->context->seq, ceph_cap_string(capsnap->dirty),
capsnap->size);
@ -709,7 +708,7 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm)
struct inode *lastinode = NULL;
struct ceph_cap_snap *capsnap = NULL;
dout("queue_realm_cap_snaps %p %llx inodes\n", realm, realm->ino);
dout("%s %p %llx inode\n", __func__, realm, realm->ino);
spin_lock(&realm->inodes_with_caps_lock);
list_for_each_entry(ci, &realm->inodes_with_caps, i_snap_realm_item) {
@ -747,7 +746,7 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm)
if (capsnap)
kmem_cache_free(ceph_cap_snap_cachep, capsnap);
dout("queue_realm_cap_snaps %p %llx done\n", realm, realm->ino);
dout("%s %p %llx done\n", __func__, realm, realm->ino);
}
/*
@ -773,7 +772,7 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc,
lockdep_assert_held_write(&mdsc->snap_rwsem);
dout("update_snap_trace deletion=%d\n", deletion);
dout("%s deletion=%d\n", __func__, deletion);
more:
rebuild_snapcs = 0;
ceph_decode_need(&p, e, sizeof(*ri), bad);
@ -802,7 +801,7 @@ more:
rebuild_snapcs += err;
if (le64_to_cpu(ri->seq) > realm->seq) {
dout("update_snap_trace updating %llx %p %lld -> %lld\n",
dout("%s updating %llx %p %lld -> %lld\n", __func__,
realm->ino, realm, realm->seq, le64_to_cpu(ri->seq));
/* update realm parameters, snap lists */
realm->seq = le64_to_cpu(ri->seq);
@ -826,11 +825,11 @@ more:
rebuild_snapcs = 1;
} else if (!realm->cached_context) {
dout("update_snap_trace %llx %p seq %lld new\n",
dout("%s %llx %p seq %lld new\n", __func__,
realm->ino, realm, realm->seq);
rebuild_snapcs = 1;
} else {
dout("update_snap_trace %llx %p seq %lld unchanged\n",
dout("%s %llx %p seq %lld unchanged\n", __func__,
realm->ino, realm, realm->seq);
}
@ -883,7 +882,7 @@ fail:
ceph_put_snap_realm(mdsc, realm);
if (first_realm)
ceph_put_snap_realm(mdsc, first_realm);
pr_err("update_snap_trace error %d\n", err);
pr_err("%s error %d\n", __func__, err);
return err;
}
@ -900,7 +899,7 @@ static void flush_snaps(struct ceph_mds_client *mdsc)
struct inode *inode;
struct ceph_mds_session *session = NULL;
dout("flush_snaps\n");
dout("%s\n", __func__);
spin_lock(&mdsc->snap_flush_lock);
while (!list_empty(&mdsc->snap_flush_list)) {
ci = list_first_entry(&mdsc->snap_flush_list,
@ -915,7 +914,7 @@ static void flush_snaps(struct ceph_mds_client *mdsc)
spin_unlock(&mdsc->snap_flush_lock);
ceph_put_mds_session(session);
dout("flush_snaps done\n");
dout("%s done\n", __func__);
}
/**
@ -997,8 +996,8 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
trace_len = le32_to_cpu(h->trace_len);
p += sizeof(*h);
dout("handle_snap from mds%d op %s split %llx tracelen %d\n", mds,
ceph_snap_op_name(op), split, trace_len);
dout("%s from mds%d op %s split %llx tracelen %d\n", __func__,
mds, ceph_snap_op_name(op), split, trace_len);
mutex_lock(&session->s_mutex);
inc_session_sequence(session);
@ -1058,13 +1057,13 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
*/
if (ci->i_snap_realm->created >
le64_to_cpu(ri->created)) {
dout(" leaving %p in newer realm %llx %p\n",
inode, ci->i_snap_realm->ino,
dout(" leaving %p %llx.%llx in newer realm %llx %p\n",
inode, ceph_vinop(inode), ci->i_snap_realm->ino,
ci->i_snap_realm);
goto skip_inode;
}
dout(" will move %p to split realm %llx %p\n",
inode, realm->ino, realm);
dout(" will move %p %llx.%llx to split realm %llx %p\n",
inode, ceph_vinop(inode), realm->ino, realm);
ceph_get_snap_realm(mdsc, realm);
ceph_change_snap_realm(inode, realm);
@ -1107,7 +1106,7 @@ skip_inode:
return;
bad:
pr_err("corrupt snap message from mds%d\n", mds);
pr_err("%s corrupt snap message from mds%d\n", __func__, mds);
ceph_msg_dump(msg);
out:
if (locked_rwsem)
@ -1140,7 +1139,8 @@ struct ceph_snapid_map* ceph_get_snapid_map(struct ceph_mds_client *mdsc,
}
spin_unlock(&mdsc->snapid_map_lock);
if (exist) {
dout("found snapid map %llx -> %x\n", exist->snap, exist->dev);
dout("%s found snapid map %llx -> %x\n", __func__,
exist->snap, exist->dev);
return exist;
}
@ -1184,11 +1184,13 @@ struct ceph_snapid_map* ceph_get_snapid_map(struct ceph_mds_client *mdsc,
if (exist) {
free_anon_bdev(sm->dev);
kfree(sm);
dout("found snapid map %llx -> %x\n", exist->snap, exist->dev);
dout("%s found snapid map %llx -> %x\n", __func__,
exist->snap, exist->dev);
return exist;
}
dout("create snapid map %llx -> %x\n", sm->snap, sm->dev);
dout("%s create snapid map %llx -> %x\n", __func__,
sm->snap, sm->dev);
return sm;
}